NZ736931B2 - Oxidatively stable polyunsaturated fatty acid containing oil - Google Patents
Oxidatively stable polyunsaturated fatty acid containing oil Download PDFInfo
- Publication number
- NZ736931B2 NZ736931B2 NZ736931A NZ73693112A NZ736931B2 NZ 736931 B2 NZ736931 B2 NZ 736931B2 NZ 736931 A NZ736931 A NZ 736931A NZ 73693112 A NZ73693112 A NZ 73693112A NZ 736931 B2 NZ736931 B2 NZ 736931B2
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- NZ
- New Zealand
- Prior art keywords
- oil
- ppm
- less
- tocopherol
- months
- Prior art date
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- 235000020777 polyunsaturated fatty acids Nutrition 0.000 title claims abstract description 40
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- 239000001233 rosmarinus officinalis l. extract Substances 0.000 claims abstract description 65
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- QAQJMLQRFWZOBN-LAUBAEHRSA-N L-ascorbyl-6-palmitate Chemical compound CCCCCCCCCCCCCCCC(=O)OC[C@H](O)[C@H]1OC(=O)C(O)=C1O QAQJMLQRFWZOBN-LAUBAEHRSA-N 0.000 claims abstract description 57
- 235000010385 ascorbyl palmitate Nutrition 0.000 claims abstract description 57
- JLPULHDHAOZNQI-ZTIMHPMXSA-N 1-hexadecanoyl-2-(9Z,12Z-octadecadienoyl)-sn-glycero-3-phosphocholine Chemical compound CCCCCCCCCCCCCCCC(=O)OC[C@H](COP([O-])(=O)OCC[N+](C)(C)C)OC(=O)CCCCCCC\C=C/C\C=C/CCCCC JLPULHDHAOZNQI-ZTIMHPMXSA-N 0.000 claims abstract description 45
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Abstract
Disclosed is an oil that that is oxidatively stable and less prone to becoming rancid and developing a fishy smell or taste during storage, the oil comprising (i) at least 30 wt.% of one or more polyunsaturated fatty acids having at least 4 double bonds; (ii) at least one first antioxidant such a mixed tocopherols; and (iii) less than about 1000 ppm lecithin. The oil may also comprise less than about 750 ppm of a second antioxidant chosen from an ascorbic acid derivative such as ascorbyl palmitate and rosemary extract. xed tocopherols; and (iii) less than about 1000 ppm lecithin. The oil may also comprise less than about 750 ppm of a second antioxidant chosen from an ascorbic acid derivative such as ascorbyl palmitate and rosemary extract.
Description
Oxidatively Stable Polyunsaturated Fatty Acid Containing Oil
The invention relates to an oil comprising one or more polyunsaturated fatty acids
having at least 4 double bonds.
CROSS-REFERENCE TO RELATED APPLICATIONS
The present application is a divisional application from New Zealand patent
application number 722074, which in turn is a divisional application from New Zealand patent
application number 625334, which in turn claims the benefit under 35 U.S.C. §I 19(e) to U.S.
Provisional Application No. ,291, filed November 1, 2011, the entire disclosures of
which are incorporated herein by reference.
Oils ning polyunsaturated fatty acids (PUFAs) may oxidize and become rancid
during storage. This results in unpleasant flavors and odors in the oil as well as in the products
in which such oils are incorporated. A PUFA with 4 or more C-C double bonds may be less
oxidatively stable than a PUFA with fewer double bonds. Moreover, the presence of ,
such as, iron, may increase the rate at which a PUFA containing oil oxidizes.
Those skilled in the art have attempted to se the oxidation of a PUFA
ning oil by employing various means including incorporating ascorbic acid derivatives,
such as, ascorbyl ate in ation with lecithin. There, however, remains a need for
more oxidatively stable PUFA containing oils.
It has now been discovered that combining ascorbic acid derivatives, such as,
ascorbyl ate with lecithin increases the oxidation of an oil comprising 30% of at least
one PUFA having 4 or more carbon-carbon double bonds. Accordingly, the following nonlimiting
ments of the present invention are provided herein. The ments
bed herein may be suitably combined or subdivided to yield suitable subcombinations to
comprise, consist of or consist essentially of additional embodiments.
BRIEF DESCRIPTION OF THE DRAWINGS
Figure 1 is a graph depicting the fishy aroma sensory value over time of oils
according to examples 7a, 7b, 7c, 8e, and 8f. 171 Figure 2 is a graph depicting the fishy aroma
sensory value over time of oils according to examples 7a, 7d, 7e, and 8b.
Figure 3 is a graph depicting the fishy aroma sensory value over time of oils
according to examples 7a, 7f, 7g, and 8c.
Figure 4 is a graph depicting the fishy aroma sensory value over time of oils
according to examples 7a, 7h, 7i, and 7j.
Figure 5 is a graph depicting the fishy aroma sensory value over time of oils according to
examples 7a and 8a.
, 7c, 7k,
Figure 6 is a graph depicting the concentration of iron (ppb) contained in oils
substantially free of lecithin (examples 7a, 7c, 7h, 8a-c, and 80 versus an oil containing mixed
tocopherol, ascorbyl palmitate, and lecithin le 7b).
Figure 7 is a graph depicting the fishy aroma sensory value over time of oils according to
examples 7a, 8d, and 7m.
Disclosed herein is an oil comprising (i) at least 30 wt.% of one ore more polyunsaturated
fatty acids having at least 4 double bonds; (ii) at least one first antioxidant; and (iii) less than
about 1000 ppm lecithin.
( sed herein is an oil comprising (i) at least 30 wt.% of one or more polyunsaturated
fatty acids having at least 4 double bonds; (ii) at least one first antioxidant; and (iii) less than
about 750 ppm of a second antioxidant chosen from an ascorbic acid derivative.
Disclosed herein is an oil comprising (i) at least one saturated fatty acid having at
least 4 double bonds; (ii) at least one first antioxidant; and (iii) less than about 30 ppb iron.
Optionally the oil comprises at least 30 wt.% of one or more polyunsaturated fatty acids having
at least 4 double bonds.
Disclosed herein is an oil sing (i) at least about 30 wt.% of one or more
saturated fatty acids having at least 4 carbon-carbon double bonds; (ii) at least one first
antioxidant; and (iii) means for improving oxidative stability, wherein said oil has a fishy aroma
ofless than 1.5.
As used herein wt.% of one or more polyunsaturated fatty acids having at least 4 double
bonds is expressed with respect to the sum weight of the total fatty acids in the oil.
As used herein wt.% of one or more polyunsaturated fatty acids refers to the weight
percentage of the sum of all polyunsaturated fatty acids having at least 4 double bonds present in
the oil.
As used herein wt.% ofa specific fatty acid or any combination of specific fatty acids is
sed with respect to the sum weight of the total fatty acids in the oil.
The term “essentially free” when used to describe lecithin means less than or equal to
about 150 ppm, about 15 ppm, about 10 ppm, about 5ppm, about 1 ppm, and about 0 ppm.
The term “essentially free” when used to describe an ascorbic acid tive means less
than or equal to about 3 ppm, to about 2.5 ppm, to about 2 ppm, to about 1.5 ppm, to about 1
ppm, to about 0.5 ppm, to about 0.
The term “free of” when used to describe lecithin or an ascorbic acid derivative means
there are no detectable quantities present.
The term “lecithin” when used herein includes, for example, sunflower in, soy
lecithin, egg lecithin, and mixtures thereof. In one embodiment, the oil described herein
comprises less than about 1.200 ppm lecithin, less than about 1000 ppm lecithin, less than 750
less than
ppm lecithin, less than about 500 ppm lecithin, less than about 250 ppm lecithin, or
about 200 ppm in. In one embodiment, the oil described herein is free oflecithin. In
another embodiment, the oil described herein is essentially free of lecithin.
In r embodiment, the oil described herein has an iron content of less than about 30
ppb or more particularly less than or equal to about 25 ppb, 20 ppb, 15 ppb, 10 ppb, 5 ppb, 1 ppb,
0.5 ppb, or 0.2 ppb. In another embodiment, the iron content is 0 ppb.
The term “antioxidant” when used herein es, for example, ascorbic acid
derivatives, tocopherol, green tea extract, and/or mixtures therof.
In one embodiment, the antioxidant is a first antioxidant chosen from tocopherol, green
tea extract, and/or mixtures f. In another embodiment, the antioxidant is a second
antioxidant chosen from ascorbic acid derivatives.
The term “ascorbic acid derivative” when used herein es, for example, ascorbic
acid, ascorbyl palmitate, ascorbyl stearate, and/or mixtures thereof. In one ment, the
ascorbic acid derivative is ascorbyl pamitate.
In a further embodiment, the ascorbic acid derivative is t in the oil described herein
in an amount g from about 0 ppm to about 50 ppm, from about 0 ppm to about 250 ppm,
from about 0 ppm to about 300 ppm, from about 0 ppm to about 400 ppm, from about 0 ppm to
about 750 ppm, from about 50 ppm to about 250 ppm, from about 50 ppm to about 300 ppm,
from about 50 ppm to about 400 ppm, from about 50 ppm to about 750 ppm, from about 250
ppm to about 750 ppm, from about 250 ppm to 400 ppm, from about 250 ppm to about 300 ppm,
from about 300 ppm to about 400 ppm. In yet a further embodiment, the oil described herein
comprisesIess than about 750 ppm ascorbic acid derivative, less than about 400 ppm ascorbic
acid derivative, less than about 300 ppm ascorbic acid derivative, less than about 250 ppm
ascorbic acid derivative, or less than about 50 ppm ascorbic acid derivative. In a still further
embodiment, the oil described herein is ially free of an ascorbic acid derivative. In another
embodiment, the oil described herein is essentially free of ascorbyl palmitate. In a further
embodiment, the oil described herein comprises about 250 ppm ascorbic acid derivative. In
another embodiment, the oil described herein comprises about 250 ppm ascorbyl palmitate. In
another ment, the oil described herein is free of ic acid derivative. In a further
embodiment, the oil is free of ascorbyl palmitate.
In one ment, the oil bed herein is essentially free of an ascorbic acid
derivative and ially free of lecithin. In a r embodiment, the oildescribed herein is
essentially free of ascorbyl palmitate and essentially free of lecithin. In another embodiment, the
oil is free of an ascorbic acid derivative and free of lecithin. In yet another embodiment, the oil
is free of ascorbyl palmitate and free of lecithin.
In yet another embodiment, the at least one first antioxidant is a tocopherol. In another
embodiment, the at least one first antioxidant is an addition tocopherol. In a still a r
embodiment, the at least one first antioxidant is a mixed tocopherol. In another embodiment, the
at least one first antioxidant is dl-oc-tocopherol, d-oc-tocopherol, [3- tocopherol, y— tocopherol 5-
tocopherol, a-tocotrienol, B- tocotrienol, y— tocotrienol and S-tocotrienol, or a mixture thereof.
In another embodiment, by the term “tocopherol”, there is meant any isomer of
erol (or mixture thereof), including but not limited to dl-a-tocopherol (i.e., synthetic
tocopherol), d-a-tocopherol (i.e., natural tocopherol), B-, 7—, and 8-tocopherol dl-oc-tocopherol,
and a-tocotrienol, [3— tocotrienol, y— tocotrienol and trienol.
In one embodiment, the oil described herein may comprise erol in an amount
ranging from about 900 ppm to about 3400 ppm, from about 900 ppm to about 2400 ppm, from
about 900 ppm to about 2000 ppm, from about 900 ppm to about 1700 ppm, from about 900
ppm to about 1400 ppm, from about 1400 ppm to about 3400 ppm, from about 1400 ppm to
about 2400 ppm, from about 1400 ppm to about m, from about 1400 ppm to about 1700
ppm, from about 1700 ppm to about 3400 ppm, from about 1700 ppm to about 2400 ppm, from
about 1700 ppm to about 2000 ppm, from about 2000 ppm to about 3400 ppm, from about 2000
ppm to about 2400 ppm, or from about 2400 ppm to about 3400 ppm. In a further embodiment,
the oil described herein comprises less than about 3400 ppm tocopherol, less than about 2400
ppm tocopherol, less than about 2000 ppm tocopherol, less than about 1700 ppm tocopherol, less
than about 1400 ppm tocopherol, or less than about 900 ppm tocopherol. In a still further
embodiment, the oil described herein comprises at least about 900 ppm tocopherol, at least about
1400 ppm tocopherol, at least about 1700 ppm tocopherol, at least about 2000 ppm tocopherol, at
least about 2400 ppm tocopherol, or at least about 3400 ppm tocopherol. In one ment,
the oil described herein ses about 1400 ppm tocopherol, about 1700 ppm tocopherol, or
about 2400 ppm erol.
The term “addition tocopherol” when used herein includes isomers and derivatives of
tocopherol that are added to an oil described herein. Addition tocopherols, include, for example,
a-tocopherol, dl-a-tocopherol, d—a-tocopherol, B-tocopherol, y-tocopherol o.-
, EYE-tocopherol,
tocotrienol, B-tocotrienol, trienol , 6-tocotrienol, D-a-tocopherol, D-B- tocopherol, D-y-
tocopherol, Dtocopherol, and/or mixtures thereof.
In a further embodiment, the the oil described herein may se an addition
tocopherol ranging from about 0 ppm to about 2500 ppm, from about 0 ppm to about 1500 ppm,
from about 0 ppm to about 900 ppm from about 0 ppm to about 800 ppm, from about 0 ppm to
about 500 ppm, from about 50 ppm to about 5000 ppm, from about 500 ppm to about 3500 ppm,
from about 500 ppm to about 2500 ppm, from about 500 ppm to about 1500 ppm, from about
500 ppm to about 900 ppm, from about 500 ppm to about 800 ppm, from about 300 ppm to about
700 ppm, from about 800 ppm to about 2500 ppm, from about 800 ppm to about 1500 ppm, from
about 800 ppm to about 900 ppm, from about 900ppm to about 2500 ppm, from about 900 ppm
to about 1500 ppm, or from about 1500 ppm to about 2500 ppm. In yet another embodiment, the
oil described herein comprises less than about 2500 ppm addition tocopherol, less than about
1500 ppm addition tocopherol, less than about 900 ppm addition tocopherol, less than about 800
ppm addition tocopherol, or less than about 500 ppm on tocopherol. In another
ment, the oil described herein comprises about 500 ppm addition erol, about 800
ppm addition tocopherol, or about 1500 ppm addition tocopherol.
In one embodiment, the tocopherol is chosen from a-tocopherol, dl-a-tocopherol, d-Ot-
tocopherol, B-tocopherol, y-tocopherol , 8-tocopherol, a-tocotrienol, B-tocotrienol, y-
tocotrienol , 8-tocotrienol, D—a-tocopherol, D-B- tocopherol, D-y- tocopherol, D—S-tocopherol,
and/or mixtures thereof.
The term “mixed tocopherol” when used herein includes mixtures of isomers and
derivatives of addition tocopherols, ing, for example, es of dl-a—tocopherol, d-oc-
tocopherol, B-tocopherol, y-tocopherol, pherol, a-tocotrienol, B-tocotrienol, y-
tocotrienol, 8-tocotrienol, D-a-tocopherol, D—B-tocopherol, D-y-tocopherol, and Dtocopherol.
In one embodiment, the mixed tocopherol is a mixture of D-a-tocopherol, D-B-
tocopherol, D—y-tocopherol, and D-S-tocopherol. In another embodiment, the mixed tocopherol
is a mixture of from about 9 to about 20% D-a-tocopherol, from about 1 to about 4% DB-
erol, from about '50 to about 65% D-y-tocopherol, and from about 20 to about 35% D-S-
tocopherol. In yet another embodiment, the mixed tocopherol is a natural mixed tocopherol.
In one embodiment, the oil bed herein comprises mixed tocopherol in an amount
ranging from about 900 ppm to about 3400 ppm, from about 900 ppm to about 2400 ppm, from
about 900 ppm to about 2000 ppm, from about 900 ppm to about 1700 ppm, from about 900
ppm to about 1400 ppm, from about 1400 ppm to about 3400 ppm, from about 1400 ppm to
about 2400 ppm, from about 1400 ppm to about 2000 ppm, from about 1400 ppm to about 1700
ppm, from about 1700 ppm to about 3400 ppm, from about 1700 ppm to about 2400 ppm, from
about 1700 ppm to about 2000 ppm, from about 2000 ppm to about 3400 ppm, from about2000
ppm to about 2400 ppm, or from about 2400 ppm to about 3400 ppm. In a further embodiment,
the oil described herein comprises less than about 3400 ppm mixed tocopherol, less than about
2400 ppm mixed tocopherol, less than about 2000 ppm mixed tocopherol, less than about 1700
ppm mixed tocopherol, less than about 1400 ppm mixed tocopherol, or less than about 900 ppm
mixed tocopherol. In one embodiment, the oil described herein comprises about 1400 ppm
mixed erol, about 1700 ppm mixed tocopherol, or about 2400 ppm mixed tocopherol.
The oils bed herein may further contain natural tocopherols, in the form of, for
example, tocotrienols that the rganism produces during fermentation and which is
ultimately contained in the crude oil. The amount of natural tocopherols contained in the crude
oil can range from, for example, about 25 ppm to about 500 ppm tocotrienols.
The term “green tea extract” includes, for example, green tea extracts containing, for
e, polyphenolic compounds (i.e., catechins). 'Examples of polyphenolic compounds that can
be present in green tea extracts include epigallocatechin gallate 25 (EGCG), epigallocatechin (EGC),
echin gallate (ECG), epicatechin (EC), and mixture thereof. In one ment, the green tea
t contains at least one polyphenolic compound in an amount of from about 1% to about 90%,
from about 5% to about 85%, from about 10% to about 80%, from about 15% to about 75%, from
about 20% to about 70%, from about 25% to about 65%, from about 30% to about 60%, from about
% to about 55%, or from about 40% to about 50% by weight of the green tea extract, exclusive of
any carriers.
The term “flavoring reagent” includes, for example, rosemary extract and vanilla. The
The rosemary
rosemary extract may be ted from, for e, Rosmarinus oflicinalis.
extract may, for example, be organic. The rosemary extract may be obtained by drying leaves of
rosemary, which belongs to the a , pulverizing the dried leaves, and subjecting the
resultant pulverized material to extraction with water, hot water, hexane, l, acetone, ethyl
acetate, or a mixture of any of these solvents. es of components found in rosemary extract
include caffeic acid, camosol, camosic acid, methoxy carnosic acid, rosmarinic acid, rosmanol,
rosmaridiphenol, rosmaridiquinone, and/or mixtures thereof. Numerous rosemary extracts are also
available commercially, and any one or more can be used in the present invention. Suitable
rosemary extracts are commercially available from, for example, Kalsec (Kalamazoo, MI, USA)
under the trade name of Herbalox®; Vitiva (Markovci, Slovenia) under the trade name Inolens®;
Naturex (Avignon, France) under the trade name StabileEnhance®; and Ecom Food Industries
Corporation (Ontario, Canada) under the product code NR 3401.
In. one embodiment, the flavoring reagent is rosemary t. In another embodiment, the
rosemary t is extracted from inus officinalis.
In yet another embodiment, the oil described herein may comprise rosemary t in an
amount ranging from about 0 ppm to about 5000 ppm, from about 0 ppm to about 3500 ppm,
from about 0 ppm to about 3000 ppm, from about 0 ppm to about 2000 ppm, from about 0 ppm
to about 750 ppm, from about 0 ppm to about 500 ppm, from about 50 ppm to about 5000 ppm,
from 50 ppm to about 7,500 ppm, from about 50 ppm to about 10,000 ppm, from about 500 ppm
to about 5000 ppm, from about 500 ppm to about 4000 ppm, from about 500 to about 3500 ppm,
from about 500 ppm to about 3000 ppm, from about 500 ppm to about 2000 ppm, from about
500 ppm to about 750 ppm, from about 750 ppm to about 5000 ppm, from about 750 ppm to
about 3500 ppm, from about 750 ppm to about 3000 ppm, from about 750 ppm to about 2000
ppm, from about 2000 ppm to about 5000 ppm, from about 2000 ppm to about 3500 ppm, from
about 2000 ppm to 3000 ppm, from about 3000 ppm to about 3500 ppm, from about 3500 ppm to
about 5000 ppm. In still another embodiment, the oil described herein comprises less than about
5000 ppm, rosemary extract, less than about 3500 ppm rosemary extract, less than about 3000
ppm rosemary extract, less than about 200 ppm rosemary extract, less than about 750 ppm
rosemary extract, or less than about 500 ppm rosemary extract. In yet still another embodiment,
the oil bed herein comprises about 5000 ppm rosemary extract, about 3500 ppm rosemary
extract, about 3000 ppm rosemary extract, or about 2000 ppm rosemary extract.
In one embodiment, the oil described herein may comprise about 3000 ppm rosemary
extract, about 1700 mixed tocopherol, and about 250 ppm ascorbyl palmitate, with the proviso
that the oil is essentially free of lecithin. In another embodiment, the oil described herein may
comprise about 3000 ppm rosemary extract, about 800 ppm addition tocopherol, and about 250
In yet another
ppm yl palmitate, with the proviso that the oil is essentially free of lecithin.
embodiment, the oil described herein may comprise about 3500 ppm ry extract and about
1400 ppm mixed tocopherol, with the proviso that the oil is essentially free of in and
ascorbyl palmitate. In still a further embodiment, the oil described herein may comprise about
3500 ppm rosemary extract and about 500 ppm on tocopherol, with the proviso that the oil
is essentially free of lecithin and ascorbyl palmitate. In yet still a further embodiment, the oil
described herein may comprise about 2000 ppm rosemary extract and about 2400 ppm mixed
tocopherol, with the proviso that the oil is essentially free of lecithin and yl palmitate. In
another embodiment, the oil described herein may comprise about 2000 ppm rosemary extract
and about 1500 ppm addition tocopherol, with the proviso that the oil is essentially free of
lecithin and ascorbyl palmitate. In a further embodiment, the oil described herein may comprise
about 5000 ppm rosemary extract, about 1700 mixed erol, and about 250 ppm ascorbyl
palmitate, with the proviso that the oil is essentially free of lecithin. In an even further
embodiment, the oil described herein may comprise about 5000 ppm rosemary extract, about 800
ppm addition tocopherol, and about 250 ppm yl ate, with the proviso that the oil is
essentially free of lecithin.
In one embodiment, the oil described herein may comprise about 3000 ppm rosemary
extract, about 1700 mixed tocopherol, and about 250 ppm ascorbyl palmitate, with the proviso
that the oil is free of lecithin. In another embodiment, the oil bed herein may comprise
about 3000 ppm rosemary t, about 800 ppm addition tocopherol, and about 250 ppm
ascorbyl palmitate, with the proviso that the oil is free of lecithin. In yet another embodiment,
the oil described herein may comprise about 3500 ppm rosemary extract and about 1400 ppm
mixed tocopherol, with the proviso that the oil is free of lecithin and ascorbyl palmitate. In still a
further ment, the oil bed herein may se about 3500 ppm rosemary extract
2012/000534
and about 500 ppm on tocopherol, with the proviso that the oil is free of lecithin and
ascorbyl palmitate. In yet still a further embodiment, the oil described herein may comprise
about 2000 ppm rosemary extract and about 2400 ppm mixed tocopherol, with the proviso that
the oil is free of lecithin and ascorbyl palmitate. In another embodiment, the oil described herein
with
may comprise about 2000 ppm rosemary extract and about 1500 ppm addition tocopherol,
the proviso that the oil is free of lecithin and ascorbyl palmitate. In a further embodiment, the oil
described herein may comprise about 5000 ppm rosemary extract, about 1700 mixed tocopherol,
and about 250 ppm ascorbyl palmitate, with the proviso that the oil is free of lecithin. In an even
further embodiment, the oil bed herein may se about 5000 ppm rosemary extract,
about 800 ppm addition tocopherol, and about 250 ppm ascorbyl palmitate, with the proviso that
the oil is free of lecithin.
One embodiment is ed to an oil comprising at least about 30%, by weight of fatty
acid content in the oil, of at least one polyunsaturated fatty acid having at least 4 carbon-carbon
double bonds; at least one first antioxidant; and means for improving oxidative stability.
The p-Anisidine value (p-AV) is determined in accordance with AOCS Official Method
Cd 18-90. In one ment, the oil described herein has a p-AV of less than about 40; less
than about 30; or less than about 20.
The peroxide value (PV) is determined in accordance with the AOCS Official Method Cd
8-53. In one embodiment, the oil described herein has a PV less than about 20 meq/kg; less than
about 10 meq/kg; or less than about 5 meq/kg.
The Rancimat values are determined by the rd test for oil stability, using a rancimat
apparatus operated at 90°C, with airflow set at 10 L/hour (AOCS Cd 12b-92). In one
embodiment, the oil described herein has a RANCIMAT value of less than or equal to about 3,1 to
about 4, about 5, about 6, about 7, about 8, about 9, about 10, about 1 1, about 12, about 13, about
14, about 15, about 16, about 17, about 18, about 19 at suitable storage. In one embodiment,
rancimat value is determined after about 3 months, about 5 months, about 6 , about 7
months, or 8 months of suitable storage. A person of skill in the understand would understand at
what conditions to store the oils bed . In one embodiment, the oil described herein is
stored at room temperature (25°C) in Nylon/Foil/PE Low Density Polyethylene bags ed
with vacuum then heat sealed under N2 (Heritage Packaging) or phenolic lined aluminium
containers (Elemental Container Inc.)
The marine/fishy aroma (smell) and marine/fishy aromatics (taste) sensory values were
determined according to the method as described in Sensory Evaluation Techniques. Meilgaard
et al., CRC Press; 4 n (December 13, 2006). A panel of 8 — 18 experienced people taste (or
smell) a . Each of these people determine the value of the sample. Afterwards all the
values are averages arithmetically and the result is rounded up or down to the next number. A
value of 2 1.5 fishy/marine aroma and 2 2.5 fishy/marine aromatics is expected to be perceivable
by the general population.
In one embodiment, the oil described herein has a fishy aroma sensory value ofless than
1.5 after about 3 , after about 4 months, after about 5 months, after about 6 months, after
about 7 months, after about 8 months, or after about 9 months of suitable storage. In another
embodiment, the oil described herein has a fishy aroma value ofless than 1.5 at a time period
chosen from 0-3 months, at 0-4 months, at 0-5 months, at 0-6 , at 0-7 months, at 0-8
months, or at 0-9 months. In one ment, the suitable storage is performed at room
temperature (25°C) in Nylon/Foil/PE Low Density Polyethylene bags ed with vacuum
then heat sealed under N2 or epoxy-phenolic lined aluminium containers.
In one embodiment, the oil described herein has a fishy aromatics sensory value of less
than 2.5 after about 3 months, after about 4 , after about 5 months, after about 6 months,
after about 7 months, after about 8 months, or after about 9 months of le storage. In
another embodiment, the oil described herein has a fishy aroma value of less than 1.5 at a time
period chosen from 0-3 months, at 0-4 months, at 0-5 months, at 0-6 months, at 0-7 months, at 0-
8 months, or at 0-9 months. In one embodiment, the le storage is performed at room
temperature (25°C) in Foil/PE Low Density Polyethylene bags packaged with vacuum
then heat sealed under N2 or epoxy-phenolic lined aluminium containers.
In one embodiment, the at least one €13-22 PUFA having 4 carbon-carbon double bonds is
chosen from docasoahexaenoic acid (“DHA”), eicosapentaenoic acid (“EPA”), arachidonic acid
(“ARA”), omega-3 docosapentaenoic acid ("DPA n-3”), and omega-6 docosapentaenoic acid
("DPA n-6"). In some embodiments, the oil ses omega-3 PUFAs. In further
embodiments, the omega-3 PUFAs are chosen from DHA, EPA, DPAn-3, and mixtures thereof.
In some of embodiments the oil is characterized by at least one of the following fatty
acids (or esters f), expressed as wt% of the total fatty acid content of the oil. The
embodiments described herein may r comprise about 3% or less of other fatty acids or
esters thereof.
In one embodiment, the oil described herein comprises at least about 30 wt.%, at least
about 35 wt.%, at least about 40 wt.%, at least about 45 wt.%, or at least about 50 wt.% of one or
more polyunsaturated fatty acids having at least 4 double bonds. In another embodiment, the oil
bed herein comprises from about 30 wt.% to about 60 wt.%, from about 30 wt.% to about
50 wt.%, from about 30 wt.% to about 40 wt.%, from about 40 wt.% to about 60 wt.%, or from
about 40 wt.% to about 50 wt.% of one or more polyunsaturated fatty acid having at least 4
double bonds.
In one embodiment, the oil described herein ses at least about 30 wt.%, at least
about 35 wt.%, at least about 40 wt.%, at least about 45 wt.%, or at least about '50 wt.% of DHA.
In another embodiment, the oil described herein comprises from about 30 wt.% to about 60
wt.%, from about 30 wt.% to about 50 wt.%, from about 30 wt.% to about 40 wt.%, from about
40 wt.% to about 60 wt.%, or from about 40 wt.% to about 50 wt.% of DHA.
In one embodiment, the oil described herein comprises at least about 35 wt.% of
DHA+EPA, at least about 40 wt.%, at least about 45 wt.%, at least about 50 wt.% of DHA+EPA,
n said oil comprises less than about 80 wt.%, less than about 70 wt.%, or less than about
60 wt.% of DHA+ EPA.
In one embodiment, the oil described herein comprises at least about 30%, at least about
%, at least about 40%, at least about 45%, or at least about 50%, by weight of the total fatty
acid content of the oil, of at least one polyunsaturated fatty acid having at least 4 double bonds.
In another embodiment, the oil described herein comprises from about 30% to about 60%, from
about 30% to about 50%, from about 30% to about 40%, from about 40% to about 60%, or from
about 40% to about 50%, by weight of the total fatty acid content of the oil, of at least one
polyunsaturated fatty acid having at least 4 double bonds. 0
In one embodiment, the oil bed herein comprises at least about 30%, at least about
%, at least about 40%, at least about 45%, or at least about 50%, by weight of the total fatty
acid content of the oil, of DHA. In another embodiment, the oil described herein comprises from
about 30% to about 60%, from about 30% to about 50%, from about 30% to about 40%, from
about 40% to about 60%, or from about 40% to about 50%, by weight of the total fatty acid
content of the oil, of DHA.
In another embodiment, the oil comprises less than about 80%, less than about 70%, or
less than about 60%, by weight totally fatty acid, of at least one C1842 PUFA having 4 carbon—
carbon double bonds.
The potency of DHA and EPA is determined in accordance with AOCS l Method
Ce 1b-89. In one embodiment, the oil described herein comprises from about 200 mg DHA/g oil,
from about 300mg DHA/g oil, from about 350mg DHA/g oil, from about 400 mg DHA/g oil, or
from about 500 mg DHA/g oil. In another embodiment, the oil described herein comprises from
about 120 mg EPA/g oil or from about 130 mg EPA/g oil. In still a further embodiment, the oil
described herein comprises from about 200 mg DHA/g oil to about 600 mg DHA/g oil, from
about 200 mg DHA/g oil to about 500mg DHA/g oil, from about 200 mg DHA/g oil to about 400
mg DHA/g oil, from about 300 mg DHA/g oil to about 600mg DHA/g oil, from about 300 mg
DHA/g oil to about 500 mg DHA/g oil, or from about 300 mg DHA/g oil to about 400 mg
DHA/g oil. In a still further embodiment, the oil described herein comprises from about 100mg
EPA/g oil to about 250 mg EPA/g oil. In a further embodiment, the oil described herein
comprises from about 400 mg DHA + EPA/g oil or from about 500 mg DHA+EPA/g oil.
In one embodiment, the oil described herein may se about 2% or less of ARA, by
weight of the total fatty acid t of the oil. In a further embodiment, the oil described herein
comprises about 3% or less of EPA, by weight of the total fatty acid content of the oil. In a still
further embodiment, the oil described herein comprise about 18% or less or about 12% to about
18%, by weight of the total fatty acid content of the oil, of DPA n-6. In yet an even further
embodiment, the oil described herein may comprise about 10% or less, by weight of the total
fatty acid content ofthe oil, of other fatty acids.
In some embodiments, the oil is substantially free of EPA. As used herein, the term
“substantially free of EPA” may refer to an oil in which EPA is less than about 3%, by weight of
the total fatty acid t of the oil. In some embodiments, the oil comprises, less than about
2% EPA by weight of the total fatty acid content of the oil, less than about 1% EPA by weight of
the total fatty acid t of the oil, less than about 0.5% EPA by weight of the total fatty acid
t of the oil, less than about 0.2% EPA by weight of the total fatty acid content of the oil, or
less than about 0.01% EPA by weight of the total fatty acid content ofthe oil. In some
embodiments, the oil has no detectable amount of EPA using techniques known in the art. In
some embodiments, the oil has no EPA.
In some embodiments, the oil can also be substantially free of ARA. In some
embodiments, the ARA is less than about 3% by weight of the total fatty acid content of the oil.
In some embodiments, ARA comprises less than about 2% by weight of the total fatty acid
content of the oil, less than about 1% by weight of the total fatty acid content of the oil, less than
about 0.5% by weight of the total fatty acid t ofthe oil, less than about 0.2% by weight of
the total fatty acid content of the oil, or less than about 0.01% by weight of the total fatty acid
content of the oil. In some embodiments, the oil has no detectable amount of ARA.
In one embodiment, the oil described herein may se about 2 wt.% or less of ARA.
In a r embodiment, the oil described herein comprises about 3 wt.% or less of EPA. In a
still further embodiment, the oil described herein comprise about 18 wt.% or less or about 12
wt.% to about 18 wt.% of DPA n-6. In yet an even further embodiment, the oil described herein
may comprise about 10 wt.% or less of other fatty acids.
In some embodiments, the oil is substantially free of EPA. As used herein, the term
“substantially free of EPA” may refer to an oil in which EPA is less than about 3 wt.% .
In some
embodiments, the oil comprises, less than about 2 wt.% EPA less than about 1 wt.% EPA, less
than about 0.5 wt.% EPA, less than about 0.2 wt.% EPA, or less than about 0.01 wt.% EPA. In
some embodiments, the oil has no detectable amount of EPA using techniques known in the art.
In some embodiments, the oil has no EPA.
In some embodiments, the oil can also be substantially free of ARA. In some
embodiments, the oil comprises less than about 3 wt.% ARA. In some embodiments, the oil
comprises less than 2 wt.% ARA, less than about 1 wt.%, less than about 0.5 wt.%, less than
about 0.2 wt.%, or less than about 0.01 wt.% ARA. In some embodiments, the oil has no
able amount of ARA.
The oil describe herein can be used in any application, where such oils are needed. The
oil can be used in, for example, food products (including beverages and dietary supplements),
animal feed, and/or personal care products. These products can be in, for example, any form,
such as, a liquid, emulsion, gel, and/or solid. These ts can be ready to use (ready to
consume) products as well as products which need to be r processed (for example by
dilution, dissolving, heating, etc). In one embodiment, the oil sed herein is an edible oil.
In another embodiment, the oil disclosed herein is an edible oil that is used in food products.
Exemplary food products, include, but are not limited to nutritional bars, dietary supplements,
2012/000534
granola bars, baked goods (e.g., breads, rolls, cookies, crackers, fruit pies, or cakes), pastas,
condiments, salad dressings, soup mixes, snack foods, processed fruitjuices, sauces, gravies,
syrups, beverages, dry beverage powders, and jams orjellies.
In a further embodiment, the oil bed herein is c. The term “organic” as used
herein includes, for example, the standards set by the US. Department of Agriculture (USDA)
and the European Union (EU) for including this term in food product ng. The EU
standards are set forth, for e, in Regulation EC 834/2007, and in the US the USDA
standards are set forth, for example, in the National Organic Program Regulation at 7 C.F.R.,
Part 205.
In a still further embodiment, the oil described here is natural. The term “natural” as used
herein includes, for example, using this term in food product ng associated with food
products that do not contain added color, artificial flavors, or synthetic substances.
[7 i] The at least one C1342 PUFA having 4 carbon-carbon double bonds can be ed from
various sources including, for example, aquatic s, such as, fish, marine mammals, and
crustaceans (such as krill and other euphausids); animal sources ing, for example, animal
tissues that include for example brain, liver, and eyes and animal products that include, for
example, eggs and milk; microalgae; plant; and/or seed. In one embodiment, the oil is obtained
from fish, microalgae, plant or seed.
In one embodiment, the at least one €13-22 PUFA having 4 carbon-carbon double bonds
is obtained from microalgae. In another embodiment, the microalgae is from the order
Thraustochytriales. The order Thraustochytriales, includes, for example, the genera
Thraustochytrium (species include arudimentale, aureum, benthicola, globosum, kinnei,
motivum, multirudimentale, pachydermum, erum, roseum, striatum), the genera
Schizochytrium es include aggregatum, limnaceum, mangrovei, minutum, octosporum), the
genera Ulkenia (species include amoeboidea, kerguelénsis, minuta, profunda, radiate, sailens,
sarkariana, schizochytrops, ensis, yorkensis), the genera Aurantiacochytrium; the genera
Oblongichytrium, the genera Sicyoidochytium, the genera Parientichytrium, the genera
Botryochytrium, and combinations thereof. For the purposes of this invention, species described
within Ulkenia will be considered to be s of the genus Schizochytrium. In yet r
embodiment the lgae is Thraustochytrium sp. In yet a further embodiment the microalgae
2012/000534
is Schizochytrium sp. In a still further embodiment, the microalgae is chosen from
Thraustochytrium sp. and Schizochytrium sp.
In another ment, the at least one €18-22 PUFA having 4 carbon-carbon double
bonds is obtained from plants, grown either in culture fermentation or in crop plants, including,
for example, cereals (such as maize, barley, wheat, rice, sorghum, pearl , com, rye and
oats); beans; soybeans; peppers; lettuce; peas; Brassica species, such as, cabbage, li,
cauliflower, brussel sprouts, rapeseed, and radish; carrot; beets; nt; spinach; cucumber;
squash; melons; cantaloupe; sunflowers; safflower; canola; flax; peanut; mustard; rapeseed;
chickpea; lentil; white clover; olive; palm; borage; evening primrose; linseed; and tobacco.
In one embodiment the oil described herein is a crude oil. In another ment, the oil
bed herein is a refined oil. In yet a further embodiment, the oil described herein is a final
oil. A "crude oil" is an oil that is extracted from the biomass ofa microorganism without further
sing. A "refined oil" is an oil that is obtained by treating a crude oil with standard
processing of refining, bleaching, and/or deodorizing. See, e.g., U.S. Patent No. 5,130,242. A
“final oil" is a refined oil that is further blended with a vegetable oil. In some embodiments, a
final oil is a refined oil that has been blended with a vegetable oil chosen from medium chain
triglycerides (MCTs), canola oil, palm oil, and sunflower oil. In some embodiments the
sunflower oil is high oleic sunflower oil. In other embodiments the sunflower oil is organic. In
yet other embodiments the high oleic er oil is organic.
One embodiment is directed to a method for improving the oxidative stability of an oil,
comprising adding an effective amount of at least one first antioxidant to an oil comprising at
least 30%, by weight of fatty acid content in the oil, of at least one polyunsaturated fatty acid
having at least 4 double bonds
The ial oils described herein can be red from microalgae by any suitable
means known to those in the art. For example, the oils can be recovered by extracting with
techniques, such as those described in, for example, ational Pub. Nos. ,
W0 2001/051598, W0 2001/076715, and W0 2001/076385; U.S. Pub. Nos. 2007/0004678 and
2005/012739; and U.S. Pat. No. 6,399,803. Processes for the enzyme treatment of biomass for
the recovery of lipids are disclosed in International Pub. No. W0 2003/09628; U.S. Pub. No.
170479; EP Pat. Pub. 0776356 and U.S. Pat. No. 5,928,696.
In some embodiments, the oil described herein is obtained via the following steps:
ting biomass by fermenting microalgae capable of producing oil that contains at least one
€13-22 PUFA having 4 carbon-carbon double bonds; ting the biomass; spray drying the
biomass; extracting oil from the biomass; refining the oil (to remove free fatty acids and
olipids); bleaching the oil (to remove any remaining polar compounds and idant
, and to break down lipid oxidation products); chill filtering the oil (to remove any
ing insoluble fats, waxes, and solids); deodorizing the oil (optionally under vacuum and
in, for example, a packed column, counter current steam stripping deodorizer); adding an
antioxidant to the oil; and any combinations thereof. In some embodiments, following a
controlled growth over a pre—established period, the culture is harvested by centrifugation then
pasteurized and spray dried. In certain embodiments, the dried biomass is flushed with nitrogen
and packaged before being stored frozen at ~20°C. In certain embodiments, the oil is extracted
from the dried s by mixing the biomass with n-hexane or isohexane in a batch process
which disrupts the cells and allows the oil and ar debris to be separated. In certain
embodiments, the solvent is then removed. In one embodiment, the oil described herein is stored
at room temperature (25°C) in Nylon/Foil/PE Low Density Polyethylene bags packaged with
vacuum then heat sealed under N2 on a Model AGV Multivac. (Multivac Sepp Haggenmfiller
GmbH & Co. KG). In another embodiment the oils bed herein are stored at room
temperature (25°C) in epoxy—phenolic lined aluminium containers.
Depending on the final use ofthe oil described herein, the oil can comprise further
ingredients, which can be useful for the final product and/or for the production process of the
final product. Such r ients can include, for e, colorants, fragrances, ,
flavors, non-lecithin emulsifiers, stabilizers, and other lipophilic materials.
EXAMPLES
Materials. The rosemary extract used in examples 3-15 is available from, for example, Ecom
Foods Industries Corporation (Ontario, Canada). The high oleic sunflower oil used in examples
3-15 is available, for example, from Humko oils (Memphis, TN) under the trade name TriSun®.
TAPIOIO Sun is available from Vitablend ga, the Netherlands). The soy lecithin used in
the examples below is available, for example, from Archer Daniels Midland Co. (Decatur, IL)
under the trade name Yelkin® Gold. The ascorbyl palmitate used in the examples below is
ble, for example, from DSM,‘Nutritional Products (Basel Switzerland).
EXAMPLE 1
Preparation of high quality crude oil containing at least 30% of at least one PUFA having
at least 4 carbon-carbon double bonds. A Shizochytrium sp. deposited under ATCC Accession
No. PTA-10208 (hereinafter referred to as “PTA-10208”) was grown via individual fermentation
runs, as described below. Typical media and cultivation conditions are set forth in Table l.
In carbon (glucose) and nitrogen-fed cultures with 1000 ppm Cl' at 225°C at pH 7.0 with
% dissolved oxygen during the nitrogen feed and 10% dissolved oxygen thereafter, PTA-
10208 produced a dry cell weight of 95 g/L after 200 hours of culture in a 10 L tor
volume. The lipid yield was 53.7 g/L; the omega-3 yield was 37 g/L; the EPA yield was 14.3
g/L; and the DHA yield was 21 g/L. The fatty acid content was 57% by weight; the EPA content
was 27.7% of FAME; and the DHA content was 39.1% of FAME. The lipid productivity was
6.4 g/L/day, and the omega-3 tivity was 4.4 g/L/day under these conditions, with 1.7
g/L/day EPA productivity and 2.5 g/L/day DHA productivity.
In carbon (glucose) and nitrogen—fed cultures with 1000 ppm Cl' at 225°C at pH 7.5 with
% dissolved oxygen during the nitrogen feed and 10% dissolved oxygen thereafter, PTA-
10208 produced a dry cell weight of 56 g/L after 139 hours of culture in a 10 L fermentor
volume. The lipid yield was 53 g/L; the omega—3 yield was’34 g/L; the EPA yield was 11.5 g/L;
and the DHA yield was 22 g/L. The fatty acid content was 58% by weight; the EPA content was
21.7% of FAME; and the DHA t was 41.7% of FAME. The lipid tivity was 9.2
g/L/day, and the omega-3 productivity was 5.9 g/L/day under these ions, with 2 g/L/day
EPA productivity and 3.8 g/L/day DHA productivity.
In carbon (glucose) and nitrogen-fed cultures with 1000 ppm Cl' at 225°C at pH 7.0 with
% dissolved oxygen during the en feed and 10% dissolved oxygen thereafter, PTA—
10208 ed a dry cell weight of 93.8 g/L after 167 hours of culture in a 2000 L fermentor
volume. The lipid yield was 47.2 g/L; the omega-3 yield was 33.1 g/L; the EPA yield was 10.5
g/L; and the DHA yield was 20.4 g/L. The fatty acid content was 50.6% by weight; the EPA
content was 23% of FAME; and the DHA content was 42.6% of FAME. The lipid productivity
was 6.8 g/L/day, and the 3 productivity was 4.7 y under these conditions, with 1.5
g/L/day EPA productivity and 2.9 g/L/day DHA productivity.
WO 66373
In carbon (glucose) and nitrogen-fed es with 1000 ppm Cl' at 225°C at pH 7.0 with
% dissolved oxygen during the nitrogen feed and 10% dissolved oxygen thereafter, PTA-
10208 produced a dry cell weight of 105 g/L after 168 hours of culture in a 2000 L fermentor
volume. The lipid yield was 46.4g/L; the omega—3 yield was 33 g/L; the EPA yield was 10.7
g/L; and the DHA yield was 20.3 g/L. The fatty acid content was 43.9% by ; the EPA
content was 24% of FAME; and the DHA content was 43.7% of FAME. The lipid productivity
was 6.6 g/L/day, and the omega-3 productivity was 4.7 g/L/day under these conditions, with 1.5
g/L/day EPA productivity and 2.9 g/L/day DHA productivity.
In carbon (glucose) and nitrogen-fed cultures with 1000 ppm Cl' at 225°C at pH 7.0 with
% dissolved oxygen during the nitrogen feed and 10% dissolved oxygen thereafter, PTA-
10208 produced a dry cell weight of 64.8 g/L after 168 hours of culture in a 2000 L tor
volume. The lipid yield was 38.7 g/L; the omega-3 yield was 29.9 g/L; the EPA yield was 8.5
g/L; and the DHA yield was 16.7 g/L. The fatty acid content was 59.6% by weight; the EPA
t was 23% of FAME; and the DHA t was 42.3% of FAME. The lipid productivity
was 5.53 g/L/day, and the omega-3 productivity was 3.8 g/L/day under these conditions, with 1.2
g/L/day EPA productivity and 2.3 g/L/day DHA productivity.
Table 1: PTA-10208 Vessel Media and Typical Cultivation Conditions
Concentration 1
000 80\N U!
9U) O ix) 3* an O"1 O t.
. . in
CM AC
\ON 9—' c, 9N anm “ o
H .0a I b)
—‘ - \l 0\ (II
Post autoclave itamins
01-100. 1-50, or 5-25
iiCaVz-antothenate WW - iotin - LIIUJ 00b.)
In_redient nes
Glucose V‘W._.n- 50, 10-100, or 20-50
T ical cultivation conditions include either alone or ation would include the followin:
-_Ternerature about 17 — about 30°C, about 20 — about 28°C, or about 22 to about 24°C
Dissolved oxygen about 2 — about 100% saturation, about 5 — about 50% saturation, or about 7 -
about 20% saturation
Glucose controlled at about 5 — about 50 g/L, about 10 — about 40 g/L, or about 20— about 35 g/L
EXAMPLE 2
Fatty Acid Profile of PTA-10208. Two samples of the biomass produced in accordance
with Example 1 (PTA-10208 Sample #1 and PTA-10208 Sample #2) were analyzed for total
crude oil content by solvent extraction, lipid classes were determined by high performance liquid
chromatography/evaporative light scattering detection (HPLC/ELSD), triacyl glycerol (TAG) was
analyzed by HPLC/mass spectrometry (HPLC/MS), and fatty acid (FA) profiles were determined
by gas tography with flame ionization detection (GC-FID). The crude lipid content of
each freeze dried biomass was determined using solvent grinding with hexane and compared to
the sum of FAME (mg/g) generated by direct transesterification, and the resultant fatty acid
methyl esters (FAME) were quantified by GC/FID analysis. FAs in the extracted crude lipid
were also quantified by transesterification and quantified using GC/FID analysis of the resultant
FAME. The weight percent of all neutral lipids (NL) and free fatty acids (FFA) were determined
in the extracted crude lipid using normal phase HPLC with ELSD and atmospheric re
chemical ionization-MS (APCI-MS) identification. The method separates and quantifies sterol
esters (SE), TAG, FFAs, acylglycerols (1,3—DAG), sterols, 1,2-diacylglycerols (1,2-DAG),
and monoacylglycerols (MAG). Results are shown in Tables 2 and 3.
The TAG and phospholipids (PL) were isolated from the extracted crude oil
(PTA-10208 Sample #1 and PTA-10208 Sample #2). TAG was ed using low re flash
tography and PL was isolated using solid phase extraction (SPE). The ty of each
isolated fraction was confirmed by thin layer tography (TLC). The fatty acid profiles of
the isolated TAG and PL fractions were determined following direct transesterification using
GC-FID as FAME. Results are shown in Table 4.
Individual lipid classes were isolated from a sample of crude oil extracted from
PTA-10208'(PTA-10208 Sample #3) using normal HPLC with ELSD and APCI—MS
identification.
Experimental Procedures.
Crude Oil Extraction — Crude oil was extracted from samples of freeze-dried s
using t grinding. For example, approximately 3 grams of biomass was weighed into a
Swedish tube. Three ball bearings and 30 mL of hexane were added to the Swedish tube, which
was sealed with a neoprene stopper and placed in a shaker for 2 hours. The resultant slurry was
filtered using a Buchner funnel and Whatman filter paper. The filtered liquid was ted, the
solvent removed under vacuum, and the amount of remaining crude lipid determined
gravimetrically. .
Fatty Acid Analysis — The s of biomass, ted crude lipid, and isolated lipid
classes were analyzed for fatty acid composition as FAME. Briefly, freeze-dried biomass and
isolated lipid classes were weighed directly into a screw cap test tubes, while samples of the
crude oil were dissolved in hexane to give a concentration of approximately 2 mg/mL. Toluene,
containing al standard, and 1.5 N HCl in methanol was added to each tube. The tubes were
vortexed, then capped and heated to 100° C for 2 hours. The tubes were allowed to cool, and
saturated NaCl in water was added. The tubes were vortexed again and centrifuged to allow the
layers to separate. A portion of the organic layer was then ‘in a GC vial and analyzed by
. FAME was fied using a 3-point calibration curve generated using Nu-Check-
Prep GLC Reference Standard-(NuCheck, Elysian, MN). Fatty acids present in the extract were
expressed as mg/g and as a weight percent. Fat t in the samples was estimated ng
equal response to the internal standard when analyzed by GC-FID.
HPLC/ELSD/MS Method —
Instrument Agilent 1100 HPLC, Alltech 3300 ELSD, Agilent l 100 MSD
Column Phenomenex Luna Silica, 250x 4.6 mm,
um particle size w/ Guard Column
Mobile Phase A — 99.5% Hexanes (Omnisolv); 0.4% Isopropyl alcohol
(Omnisolv); 0.1% Acetic Acid
B — 99.9% Ethanol (Omnisolv, 95:5 EthanolzlPA); 0.1% Acetic
Acid
- 0min -5min -15min -20min -25min -26min -35min
Column Temp. 30°C
Flow Rate 1.5 mL/min
ElliESch‘lgeteZtilorrieI' VI Temperature 35°C, Gas flow 1.2 L/min5 L
MSD Mass Range 200 — 1200, Fragmentor 225 V; Drying Gas
Temperature 350°C; zer Temperature 325°C; Capillary
Voltage 3500 V; Corona Current 10 pA
Solid Phase tion ~PL fractions were ted from the crude lipid by solid phase
extraction (SPE) using 2 g aminopropyl cartridges (Biotage, a, Sweden) placed in a Vac
Elut apparatus (Varian Inc, Palo Alto, USA). The cartridge was conditioned with 15 mL of
hexane, and ~60 mg of each samplewas dissolved in 1 mL CHC13 and applied to the cartridge.
The column was washed with 15 mL of 2:1 CHCl3zisopropyl alcohol to elute all the neutral
lipids, which was discarded. The fatty acids were then eluted with 15 mL of 2% acetic acid
(HOAc) in ether, which was discarded. The PL portion was eluted with 15 mL of 6:1
olzChloroform, which was collected, dried under nitrogen, and weighed.
Flash tography — Flash chromatography was used to separate the lipid classes
present in the crude oil. Approximately 200 mg of crude oil dissolved in hexane was injected
onto the head of the column. The chromatography system utilized Silica Gel 60 (EMD
Chemical, Gibbstown, NJ) with mobile phase composed of Petroleum Ether and Ethyl Acetate at
mL/min (Tables 6—7) or 3 mL/min (Tables 8-13). A step gradient was used to selectively elute
each lipid class from the column. The mobile phase gradient started from 100% petroleum ether
and finished with 50% ethyl acetate. Fractions were ted in 10 mL test tubes using a Gilson
FC 204 large-bed fraction collector (Gilson, Inc., ton, WI). Each tube was analyzed by
thin layer tography (TLC) and the tubes containing individual lipid classes (as judged by
single spots on TLC plate with expected retention factor (Rf)) were pooled, concentrated to
dryness, and weighed. The total fraction content was then determined gravimetrically.
TLC Analysis — Thin layer chromatography was conducted on silica gel plates. The plates
were eluted using a solvent system consisting of petroleum etherzethyl etherzacetic acid (80:20: 1)
and were visualized using iodine vapor. The Rf values of each spot were then compared with
reported literature values for each lipid class.
WO 66373
Analysis ofTAG and PLfractions — The isolated TAG and PL fractions were analyzed
for fatty acid composition as fatty acid methyl esters (FAME). The TAG fractions were
dissolved in hexane to give a concentration of approximately 1-2 mg/mL. 1 mL aliquots of the
solutions were concentrated to dryness under en. Toluene, containing internal standard,
and 1.5 N HCI in ol was added to each tube. The tubes were vortexed, then capped and
heated to 100° C for 2 hours. lntemal standard and HCl methanol were added directly to the
tubes containing the PL fraction and heated. The tubes were allowed to cool, and saturated NaCl
in water was added. The tubes were vortexed again and centrifuged to allow the layers to
separate. A portion ofthe organic layer was then placed in a GC vial and analyzed by GC-FID.
FAMEs were quantified using a 3-point calibration curve generated using Nu-Check-Prep GLC
5028 Reference Standard (NuCheck, Elysian, MN). Fatty acids present in the extract were
. expressed as mg/g and as a % of FAME.
PTA-10208 Sample #1. The‘fatty acid profile of the biomass and extracted crude lipid
for PTA-10208 Sample #1 was determined using GC/FID. FAs in the biomass were
transesterified in situ by weighing 28.6 mg of s ly into a FAME tube, while a
sample ofthe extracted crude lipid was ed by weighing 55.0 mg of crude lipid into a 50
mL volumetric flask and erring 1 ml to a separate FAME tube. The estimated crude lipid
content ofthe biomass was determined to be 53.2% (as SUM of FAME) using GC with FID
detection, while 52.0% (wt/wt) lipid was extracted from the dry biomass, giving a 97.8%
recovery of total lipid. The crude lipid was determined to be 91.9% fatty acids (as SUM of
FAME) using GC/FID. The major fatty acids contained in the crude lipid were C1620 (182.5
mg/g), C20:5 n-3 (186.8 mg/g), and C2226 n-3 (423.1 mg/g).
The lipid class profile of the extracted crude lipid was determined by weighing 55.0 mg
of crude lipid into a 50 mL tric flask and transferring an aliquot into an HPLC vial for
HPLC/ELSD/MS is. According to the HPLC/ELSD/MS analysis, the crude lipid contained
0.2% sterol esters (SE), 95.1% TAG, 0.4% sterols, and 0.5% 1,2-diacylglycerol (DAG). 5% of
the TAG fraction included a peak that eluted directly after the TAG peak, but did not give a
recognizable mass um.
Isolated TAG from this sample as determined by flash chromatography made up
approximately 92.4% of the crude oil. PL was not detected by weight or TLC after SPE
isolation. The major fatty acids (>50 mg/g) contained in the TAG were C1620 (189 mg/g),
C2025 n-3 (197 mg/g), and C22:6 n—3 (441 mg/g).
PTA-10208 Sample #2. The fatty acid profile of the biomass and extracted crude lipid
for PTA-10208 Sample #2 was determined using GC/FID. FAs in the biomass were
transesterifled in situ by weighing 32.0 mg of biomass ly into a FAME tube, while a
sample ofthe extracted crude lipid was prepared by weighing 60.1 mg of crude lipid into a 50
mL volumetric flask and erring 1 ml to a separate FAME tube. The estimated crude lipid
content ofthe biomass was determined to be 52.4% (as SUM of FAME) using GC with FlD
detection, while 48.0% (wt/wt) lipid was extracted from the dry biomass, giving a 91.7%
recovery oftotal lipid. The crude lipid was ined to be 95.3% fatty acids (as SUM of
FAME) using GC/FID. The major fatty acids ned in the crude lipid were C1620 (217.5
mg/g), C2025 n-3 (169.3 mg/g), and C2226 n-3 (444.1 mg/g).
The lipid class profile of the extracted crude lipid was determined by ng 60.1 mg
of crude lipid into a 50 mL volumetric flask and transferring an aliquot into an HPLC vial for
LSD/MS analysis. According to the HPLC/ELSD/MS analysis, the crude lipid contained
0.2% SE, 95.7% TAG, 0.3% sterols, and 0.7% 1,2-DAG. 5.1% of the TAG fraction included a
peak that eluted directly after the TAG peak, but did not give a recognizable mass um.
Isolated TAG from this sample made up approximately 93.9% of the crude oil. PL was
not detected by weight or TLC after SPE isolation. The major fatty acids (>50mg/g) contained
in the TAG were C1620 (218 mg/g), C2025 n-3 (167 mg/g) and C22:6 n-3 (430 mg/g).
PTA-10208 Sample #3. A sample of crude oil from the microorganism ted under
ATCC Accession No. PTA-10208 (Sample PTA-10208 #3) was analyzed using
HPLC/ELSD/MS. A total of 98.38% of lipids were recovered, with the sterol ester (SE) fraction
accounting for 0.32%, the TAG fraction accounting for 96.13%, the 1,3-diacylglycerol (DAG)
fraction accounting for 0.22%, the 1,2-DAG fraction accounting for 0.78%, and the sterol
fraction accounting for 0.93%.
Table 2: Fatty Acid Profiles of PTA-10208 Biomasses and Extracted Crude Lipids (mg/g)
-Sample #l Sample #l Sample #2 Sample #2 Sample #1 Sample #1 Sample #2 Sample #2
Biomass Crude Li id Biomass Crude Li id Biomass Crude Li id Biomass Crude Li id
. FAME FAME FAME FAME . FAME FAME FAME
a... a...
(m l
“um-mum
——_—————m
Sample#1 Sample#1 Samp1e#2 Sample_#2 Samp1e#l Sample#1 Sample#2 Sample #2
Biomass Crude Li-id Biomass CrudeLi-id s Crude Li-id Biomass Crude Liid
C16:0 105.04. 182.47 11772 217.49 C20:4n-5 0.63 _m
-m In. 3
—4.77 m
i .
I!!! mm m mm
mmm-m .114-
.111- m 1 :
-m mu.114- c22:5n6 1584 1027
C20:l n-9 m- mm C225 n-3 20.44 35.13
C1814 n-3 C2226 n-3 246.98 423.10 245.96
Sum of
C20.2 n-6_ m m“FAME(m 527.15 907.18 518.71
m- m
Table 3: Fatty Acid Profiles of PTA-10208 Biomasses and Extracted Crude Lipids (%)
Sample #1 Sample #1 Sample #2 Sample #2 Sample #1 Sample #1 Sample #2 Sample #2
Biomass Crude Li id Biomass Crude Li m Biomass Crude Li uid Biomass Crude Li a id
Fatty Acid % FAME % FAME % FAME % FAME % FAME % FAME % FAME % FAME
C2024n6
—-—---- m—0.12
-- m '
. —m
—mm m-m. mmu
—mm m-m mm
o. 27 0 - .22
m m m
m m m
—mmmm—— ——
Table 4: Fatty Acid Profiles of PTA-10208 Isolated TAG
-Samplefll amSple#l #2 Sample#2- Sample#l #1 Sample #2 Sample #2
Fatty Acidl AME (mg/g)°/oFAME FAME(mg/g)/°/oFAME-I AME (mg/g)°/FAMEEFAME (mg/on) %FAME
—m In —_—
”.82
—mil Ill! _Im- 0.07
.09
Cl8: l “
C20.-5n3
I97. 14 20.90 166.68
—3m-—o —«—»
—_mmm -_:-m. /\O
Sum of
C20.3 n--6 *r:>Z23B on 943 l 1 92l.03
EXAMPLE 3
A crude oil can be obtained in accordance with the procedures set forth in examples 1 and
2. A crude oil can be further processed via refining, bleaching, and deodorizing to obtain refined
oils. A refined oil can be further blended with high oleic sunflower oil (“HOSO”) to achieve a
final oil with a combined DHA + EPA content of at least about 400 mg/g oil. Typical
characteristics ofa final oil according to this example are set forth in Table 13.
Table 13: Characteristics ofa Final Oil with combined DHA + EPA content of at least
about 400 m--/ oil
__m_
in-120
ax- 0-25 _
-—_I_ZZZZZZZZ i'_‘-l>-
Zand
IiiiiiXO-l--.-MAX 004
Other ingredients contained in the oil include 1200 ppm sunflower in; 2000 ppm
rosemary t; 2000 ppm mixed erols; and 300 ppm ascorbyl palmitate. The 2000 ppm
mixed tocopherol came from 1700 ppm of added tocopherols (includes 1100 ppm that was added
during upstream processing), which is available from, for example, Vitablend (Wolvega, the
Netherlands) under the trade name endTM L70, and from the mixed tocopherols contained
in the 3000 ppm of TAP 1010 Sun that was added to the oil. TAP1010 Sun provided 300 ppm
ascorbyl palmitate, 300 ppm mixed tocopherols, and 1200 ppm sunflower lecithin.
EXAMPLE 4
Final Oil containing Sunflower Lecithin, Rosemary Extract, Mixed Tocopherols, and
Ascorbyl Palmitate. A crude oil can be ed in accordance with the procedures set forth in
examples 1 and 2. A crude oil can be further processed via refining, bleaching, and deodorizing
to obtain refined oils. A refined oil can be further blended with H080 to achieve a final oil with
combined DHA + EPA content of at least about 500 mg/g oil. Typical characteristics of the final
oil ing to this example are set forth in Table 14.
Table 14: Characteristics of a Final Oil with combined DHA + EPA content of at least
about 500 m-~/ oil
ZaX- 0-02
Other ingredients contained in the final oil include 1600 ppm sunflower lecithin; 2000
ppm Rosemary Extract; 2400ppm mixed tocopherols; and 400 ppm ascorbyl palmitate. The
2400 ppm mixed tocopherol came from 2000 ppm of added erols (which includes 900
ppm that was added in upstream processing), which is available from, for example, Vitablend
(Wolvega, the Netherlands) under the trade name TocoblendTM L70, and from the mixed
tocopherols contained in the 4000 ppm of TAP 1010 Sun that was added to the oil. TAP] 010
Sun provided 400 ppm ascorbyl palmitate, 400 ppm mixed tocopherols, and 1600 ppm sunflower
lecithin.
EXAMPLE 5
Final Oil containing Rosemary Extract, Mixed T0c0pherols, and Ascorbyl Palmitate. A
crude oil obtained in accordance with the procedures set forth in examples 1 and 2. A crude oil
can be further processed via refining, bleaching, and deodorizing to obtain refined oils. A refined
oil can be r d with H080 to e a final oil with combined DHA + EPA content
of at least about 500 mg/g oil. The teristics of the final oil according to this example are
similar to the characteristics set forth in Table 14.
Other ingredients contained in the final oil include 3000 ppm Rosemary Extract; I700
ppm mixed erols (includes 900 ppm that was added during am processing), which is
available from, for example, Vitablend (Wolvega, the Netherlands) under the trade name
TocoblendTM L70; and 250 ppm ascorbyl palmitate.
EXAMPLE 6
The potency; fishy/marine aroma (smell); and fishy/marine aromatics (taste) of the final
oils ing to examples 4 and 5 were compared. The results of this comparison are set forth
in Table 15.
The potency was obtained via the ing protocol AOCS Ce 1b-89(modified). The
marine/fishy aroma (smell) and marine/fishy aromatics (taste) sensory values were ined
according to the method as described in Sensory Evaluation Techniques, Meilgaard et al., CRC
Press; 4 edition (December 13, 2006). A panel of 8 — 18 experienced people tasted and/or
smelled a sample of the final oils according to examples 4 and 5. Each ofthese people
determined the value of the sample. Afterwards all the values were averaged etically and
the result was rounded up or down to the next number. A value of2 1.5 fishy/marine aroma and
2 2.5 fishy/marine ics is expected to be perceivable by the general population.
The‘fmal oils of each of examples 4a-d and 5 were packaged in 100g epoxy-phenolic
lined aluminium containers (Elemental Container Inc., part number MC 12532) with 25 mm
natural poly plug inserts (Elemental Container Inc., part number 024PLUG) and stored at 25 °C.
Table 15
Time e Example Example Example Agveragel 0f e
(months) 4a 4b 4c 4d x223 es 5
-____-_-_(mg/g)
“—__—“.5-(mg/g) ———--E--E-—
“nu-Inn“
-—----‘-
Fishy/marine__-----
aroma ---_—--
--_—---
_—_--——
“—“un—n
-_-----_
Fishy/marine—___---
aromatics _—___--
“—_-_—_
A crude oil can be obtained from Schizochytrium Sp via the processes described in, for
example, W0 91/007498, WO 94/08467, WO 03/105606, and W02011/153246. The crude oil
can be r processed via refining, bleaching, and deodorizing to obtain refined oils. A
refined oil can be further blended with H080 to e a final oil with a DHA content of at
least about 350 mg/g oil. Typical characteristics of final oil ing to this example are set
forth in Table 16.
Table 16: Characteristics of Final Oil with DHA content of at least about 350 mg/g
ax 8 /o
lron
Example 73. Other ingredients contained in the final oil include 900 ppm mixed
tocopherols that was added during upstream processing. The mixed tocopherols are available
from, for example, Vitablend (Wolvega, the Netherlands) under the trade name TocoblendTM
L70.
Example 7b. Other ingredients contained in the final oil include 900 ppm mixed
erols that was added during upstream processing; 400 ppm ascorbyl palmitate; and 2800
Vitablend (Wolvega,
ppm soy lecithin. The mixed tocopherols are available from, for e,
the Netherlands) under the trade name TocoblendTM L70.
Other ingredients contained in the final oil include 900 ppm mixed
, Example 7c.
tocopherols that was added during upstream processing; 750 ppm ascorbyl palmitate; and 2800
ppm soy lecithin. The mixed tocopherols are available from, for example, Vitablend (Wolvega,
the lands) under the trade name TocoblendTM L70.
Example 7d. Other ingredients contained in the final oil include 2800 ppm soy lecithin;
3500 ppm Rosemary t; m mixed tocopherols; and 50 ppm ascorbyl palmitate. The
1400 ppm mixed tocopherols (includes 900 ppm that was added during upstream processing),
which is available from, for e, Vitablend (Wolvega, the Netherlands) under the trade
name TocoblendTM L70.
Example 7e. Other ingredients contained in the final oil include 2800 ppm Soy
Lecithin; 3500 ppm ry Extract; 1400ppm mixed tocopherols; and 750 ppm ascorbyl
ate. The 1400 ppm mixed erols includes 900 ppm that was added am, which
is available from, for example, Vitablend (Wolvega, the Netherlands) under the trade name
TocoblendTM L70.
Example 71‘. Other ingredients ned in the final oil include 2800 ppm Soy
Lecithin; 3500 ppm Rosemary Extract; 3400ppm mixed tocopherols; and 50 ppm ascorbyl
palmitate. The 1400 ppm mixed tocopherols (includes 900 ppm that was added during upstream
processing), which is available from, for example, Vitablend (Wolvega, the Netherlands) under
the trade name TocoblendTM L70.
Example 7g. Other ingredients contained in the final oil include 2800 ppm Soy
Lecithin; 3500 ppm Rosemary Extract; 3400ppm mixed tocopherols; and 750 ppm ascorbyl
palmitate. The 1400 ppm mixed tocopherols (includes 900 ppm that was added during upstream
processing) is available from, for example, Vitablend (Wolvega, the Netherlands) under the trade
name TocoblendTM L70.
Example 7h. Other ingredients contained in the final oil include 1400 ppm
mixed tocopherols (ineludes 900 ppm that was added during upstream processing), which is
available from, for example, Vitablend (Wolvega, the Netherlands) under the trade name
TocoblendTM L70; and 500 ppm Rosemary Extract.
' 31
Example 7i. Other ingredients contained in the final oil include 2800 ppm soy
lecithin; 500 ppm Rosemary Extract; l400ppm mixed tocopherols (includes 900 ppm that was
added during upstream processing), which is available from, for example, Vitablend (Wolvega,
the Netherlands) under the trade name endTM L70; and 50 ppm ascorbyl palmitate.
Example 7j. Other ients contained in the final oil include 2800 ppm soy
lecithin; 500 ppm Rosemary Extract; l400ppm mixed tocopherols (includes 900 ppm that was
added during upstream processing), which is available from, for e, Vitablend (Wolvega,
the Netherlands) under the trade name TocoblendTM L70 ; and 750 ppm yl palmitate.
Example 7k. Other ingredients contained in the final oil include 2800 ppm soy
lecithin; 500 ppm Rosemary Extract; 3400ppm mixed tocopherols (includes 900 ppm that was
added during upstream sing), which is available from, for example, Vitablend (Wolvega,
the lands) under the trade name TocoblendTM L70; and 50 ppm ascorbyl palmitate.
Example 7L. Other ingredients contained in the final oil include 2800 ppm soy
lecithin; 500 ppm Rosemary Extract; 3400ppm mixed tocopherols (includes 900 ppm that was
added during am processing), which is available from, for e, Vitablend (Wolvega,
the lands) under the trade name TocoblendTM L70; and 750 ppm ascorbyl palmitate.
Example 7m. Other ingredients contained in the final oil include 2800 ppm soy
lecithin; 2000 ppm Rosemary Extract; 2400ppm mixed erols des 900 ppm that was
added during upstream processing), which is available from, for example, Vitablend (Wolvega,
the Netherlands) under the trade name endTM L70; and 400 ppm ascorbyl palmitate.
EXAMPLE 8
. Final Oil containing Rosemary Extract and [Mixed Tocopherols. A crude oil can
be obtained from Schizochytrium sp via the processes described in, for example, WO 91/007498,
WO 94/08467, WO 03/105606, and W020] 1/153246. The crude oil can be further processed
via refining, bleaching, and deodorizing to obtain refined oils. The refined oil can be r
blended with H080 to achieve final oil with DHA content of at least about 350 mg/g oil. The
characteristics of this oil are similar to the characteristics set forth in Table 16.
Example 83. Other ingredients contained in the final oil include m mixed
tocopherols (includes 900 ppm that was added during upstream processing), which is available
from, for example, Vitablend (Wolvega, the Netherlands) under the trade name TocoblendTM
L70; and 500 ppm ry Extract. Table 17 summarizes the oil according to this example
that does not contain ascorbyl palmitate or lecithin.
Table 17
: 96.1% Fat with
oil comprising at least one C.3-22 106%
saturated fatty acids having 4 to EPA 1.10%
6 carbon-carbon double bonds 17-54%
DPA 0.57%
DHA 44.74%
Total about 65.01 wt-%
3,400 --m
High oleic acids
Example 8b. Other ingredients contained in the final oil include 1400 ppm
mixed tocopherols (includes 900 ppm that was added during upstream processing), which is
available from, for example, Vitablend (Wolvega, the lands) under the trade name
TocoblendTM L70; and 3500 ppm Rosemary Extract. Table 18 summarizes the oil according to
this example that does not contain ascorbyl palmitate or lecithin.
Table 18
Amount: 967% Fat with
oil comprising at least oneClg- 20:4 n-6 1.06%
22 polyunsaturated fatty acids 205 “-3 ”2%
having 4 to 6 carbon-carbon 22.5 n-6 17 46%
double bonds
22:5 n-3 0.57%
22:6 n-3 44.46%
Total about 64.67 wt—%
Tocoherol 1,400 O m
Rosemar extract 3,500 . .m
High oleic acids
Example 80. Other ingredients contained in the final oil include 3400ppm mixed
tocopherols (includes 900 ppm that was added during upstream processing), which is available
from, for e, end (Wolvega, the Netherlands) under the trade name Tocoblen'dTM
L70; and 3500 ppm Rosemary Extract. Table 19 summarizes the oil according to this example
that does not n ascorbyl palmitate or lecithin.
Table 19
oil comprising at least one
Cum; saturated fatty
acids having 4 to 6 carboncarbon
double bonds
Total about 64.99 wt-%
Tocopherol 3,400 ppm
3,500 - m .
High oleic acids
Example 8d. Other ingredients contained in the final oil include 2400ppm mixed tocopherols
(includes 900 ppm that was added during upstream processing), which is available from, for
example, Vitablend (Wolvega, the Netherlands) under the trade name endTM L70; and
2000 ppm Rosemary Extract. Table 20 summarizes the oil according to this example that does
not contain ascorbyl palmitate or lecithin.
Table 20
Amount: 959% Fat with
oil comprising at least one €18-22 20:4 n-6 1.06%
polyunsaturated fatty acids having 4 20:5 n-3 1.09%
to 6 carbon-carbon double bonds 22. 5 n-6 17.49%
22:5 n-3 0.56%
22:6 n-3 44.51%
Total about 64.71 wt-%
2,400 ..m
2,000 ..m
High oleic acids
Other ingredients contained in the final oil include 2400ppm mixed
. e 8e.
tocopherols des 900 ppm that was added during upstream processing), which is available
from, for example, Vitablend (Wolvega, the Netherlands) under the trade name TocoblendTM
L70; and 0 ppm Rosemary Extract. Table 2] summarizes the oil according to this example that
does not n ascorbyl palmitate, lecithin, or rosemary extract.
WO 66373
oil comprising at least one €18-22 20:4 n-6 1.06%
polyunsaturated fatty acids having 4 to 6 EPA 1.09%
carbon-carbon double bonds
DPA 17.47%
DPA 0.56%
44-48%
Total about 64.66 wt-%
Toco herol 2,400 n n m
Rosemar extract
Hih oleic acids
Example 8f. Other ingredients contained in the final oil include 900ppm mixed
tocopherols (that was added during upstream processing), which is available from, for e,
Vitablend (Wolvega, the Netherlands) under the trade name TocoblendTM L70; and 2000 ppm
Rosemary Extract. Table 22 summarizes the oil according to this example that does not contain
ascorbyl palmitate or lecithin.
Table 22
oil comprising at least one €18-22
saturated fatty acids having 4 to 6
carbon-carbon double bonds
44-51%
Total about 64.7] wt-%
Tocopherol m_
Rosemary extract 2,000 1' ,'
Hi-h oleic acids
Example 8g. Other ingredients contained in the final oil e 2400 ppm mixed
tocopherols (includes 900 ppm that was added during upstream processing), which is available
from, for example, Vitablend (Wolvega, the Netherlands) under the trade name TocoblendTM
L70; and 2000 ppm Rosemary t. Table 23 summarizes the oil according to this example
that does not contain ascorbyl palmitate or lecithin.
Table 23
Amount: 972% Fat with
oil comprising at least one €13-22 20:4 n-6 1.06%
saturated fatty acids having 4 to 6 EPA 20:5 n-3 1.12%
carbon—carbon double bonds 22:5 n-6 17.46%
DPA 22:5 n-3 0.56%
22:6 n-3 44.44%
Total about 64.64 wt-%
2,400 --m
2,000 nm
EXAMPLE 9
Table 24a
Marine/fishy aroma Rancimat
Examples
sensory value Value
n14 . 6Mths RT.
“0-98MtthT
1.28MtthT
“12 I 6Mths RT
Table 24b
T1me.
Ex44007mw33.a Ex.337m“b EX.337n“C Ex.337&md EX3301 a,e mf E Ex7h E E k
(monthS\l
.../J
HA ”w
ency ”M
55 “4. X.3317%..u4.
75 flM3301.fifl53.
1 4. .44000”$537.
F1shy/ 00.1 7.5.7. 111 26.7. 1 a2 x.3301117%m5123g ] 7.
manne
aroma 2345 1111 26.55
11111 227.52 3.1.1. .5
. 1222 15 222 .5
n2 12222 5050.2 2222 22.25.
001 7.7.2 22122222222 223.514.44.537. 0 7.
.1 «2
021.1 7.4.55 1 5.
1 6.
2222 22222 0.27.6.6. 222222 0.0.25 .J
212 1.9.4.
1 5 0» 23 6.0. 1222011222222 6.0.2254.7.1.21.4.55 222 24.6. 1222222122222333 73223497323991JB 222223 1.3.6760. 222222122232333 3.25556451303224.
2012/000534
Table 24c
Time Ex. EX EX
“‘7“ 5“” ----Ex‘8 mg
s) 7m» 7mii>7m<iii>
DHA n 363 364 377 373 430 430 426 427 426 430
potency n
365 367 368 370 430 425 430 432 429 425 430
111.:
“mu—Minn
nm-mm
"Minimum
"m m
e n-----Fish/ III
mu“!!! III
aroma u-—---—-
----“
“--_ - —
“——-—— -
“um-mm
-----mm
_--—mm
e _--——mFish
arc,maflcs—----II_ In
“-_—-— In
_---—— -
n----
n-————
The Rancimat values are determined by the standard test for oil stability, using a
rancimat apparatus operated at 90°C, with airflow set at 10 L/hour (AOCS Cd 12b-92). The
potency was obtained via the following protocol AOCS Ce lb-89(modified). The marine/fishy
aroma (smell) and marine/fishy aromatics (taste) sensory values were determined according to
the method as described in Sensory Evaluation ques, Meilgaard et (1]., CRC Press; 4
edition (December 13, 2006). A panel of 8 — 18 experienced people tasted and/or smelled a
sample a sample ofthe final oils according to examples 7a-m and 8a-g. Each of these people
determined the value of the sample. Afterwards all the values were averaged arithmetically and
the result was rounded up or down to the next number. A value ofz 1.5 fishy/marine aroma and
2 2.5 fishy/marine aromatics is expected to be vable by the general population.
The final oils of examples 7a-m and 8a-g were packaged in in Nylon/Foil/PE Low
Density hylene bags packaged with vacuum then heat sealed under N2 on a Model AGV
Multivac. (Multivac Sepp Haggenmuller GmbH & Co. KG) and stored at 25°C.
EXAMPLE 10
Final Oil containing Sunflower Lecithin, Rosemary Extract, Mixed Tocopherols,
and Ascorbyl Palmitate. A crude oil can be obtained from Schizochytrium sp via the processes
described in, for example, WO 91/007498, WO 94/08467, WO 03/105606, and
W020] 1/153246. The crude oil can be further processed via refining, bleaching, and
deodorizing to obtain refined oils. The refined oil can be further blended with H080 to achieve
a final oil with DHA content of at least about 350 mg/g oil. Typical teristics of the final
oil according to this e are set forth in Table 25.
Table 25: Characteristics of Final Oil with DHA content of at least about 350 mg/g oil
Chemical teristics _
DHA Content m__/ oil Min. 350
Examples 10a-10e. Other ingredients ned in the final oil include 1600 ppm
Sunflower Lecithin; 2000 ppm Rosemary Extract; 2400ppm mixed tocopherols; and 400 ppm
ascorbyl palmitate. The 2400 ppm mixed tocopherols came from 2000 ppm of added
tocopherols (includes 900 ppm that was added during upstream processing), which is available
from, for example, end (Wolvega, the Netherlands) under the trade name TocoblendTM
L70, and from the mixed tocopherols contained in the 4000 ppm of TAP 1010 Sun that was
added to the oil. TAP1010 Sun provided 400 ppm ascorbyl palmitate, 400 ppm mixed
tocopherols, and 1600 ppm sunflower lecithin.
E 11
Final Oil containing Rosemary Extract, Mixed erols, and Ascorbyl
Palmitate. A crude oil can be obtained from Schizochytrium sp via the processes described in,
for example, W0 498, WO 94/08467, WO 03/105606, and WO20l 1/153246. The crude
oil can be further processed via refining, ing, and deodorizing to obtain refined oils. The
refined oil can be further blended with H080 to e final oil with DHA content of at least
about 400 mg/g oil. The characteristics ofthe final oil according to this example are r to
the teristics set forth in Table 26.
Examples lla-b. Other ingredients contained in the final oil include 3000 ppm
Rosemary Extract; 1700ppm mixed erols (includes 900 ppm that was added during
am processing), which is available from, for example, Vitablend (Wolvega, the
Netherlands) under the trade name TocoblendTM L70; and 250 ppm ascorbyl palmitate.
EXAMPLE 12
The potency; fishy/marine aroma (smell); and fishy/marine aromatics (taste) of
the final oils according to examples lOa-e and 1 la-b were compared. The results of this
comparison are set forth in Table 27.
The potency was obtained via the following protocol AOCS Ce lb-89(modified).
The marine/fishy aroma (smell) and marine/fishy aromatics (taste) sensory values were
determined according to the method as described in sensory Evaluation ques, Meilgaard
et al., CRC Press; 4 edition (December 13, 2006). A panel of 8 — 18 experienced people tasted
and/or smelled a sample of the final oils according to examples lOa-e and l la-b. Each of these
people determined the value of the sample. Afterwards all the values were averaged
arithmetically and the result were rounded up or down to the next number. A value of 2 1.5
fishy/marine aroma and 2 2.5 fishy/marine aromatics is expected to be perceivable by the general
population.
The final oils of each of examples lOa-d and 1 la were packaged in 100g epoxy-
phenolic lined ium containers (Elemental Container Inc., part number MC 12532) with 25
mm natural poly plug inserts (Elemental Container Inc., part number G) and stored at 25
The final oils of each of examples lOeand 1 1b were packaged in 300g heat-sealed
nylon-foil bags with low density hylene (LDPE) lining (manufactured by Heritage
Packaging) and stored at room temperature (25°C).
Table 27
Time Example Example Example Example ’21:??er Example Example Example
(months) 10a 10b l0c 10d lOaFd lOe 1 la 1 lb
DHA potencyn———____m
(mg/g) ————————m
nnnun—nn
Fishy/marine—_------
aroma —_-—----
____—---
n—nnn—nn
Fishy/marinen—m—
icsmm“
' _—--—__-
E 13
Final Oil containing Sunflower Lecithin, Rosemary Extract, Mixed Tocopherols,
and Ascorbyl Palmitate. A crude oil can be obtained from Schizochytrium Sp via the processes
described in, for example, WO 498, WO 94/08467, WO 03/105606, and
W020] 1/153246. The crude oil can be further processed via refining, bleaching, and
izing to obtain refined oils. The refined oil can be blended with H080 to achieve a final
oil with DHA t of at least about 400 mg/g oil. Typical characteristics ofthe final oil
according to this example are set forth in Table 28.
Table 28: teristics ofa Final Oil with DHA content of at least about 400 mg/g oil
Chemical Characteristics
DHA Content mg/g oil
Other ingredients contained in the final oil include 2000 ppm Rosemary Extract;
2400 ppm mixed tocopherols; 400 ppm ascorbyl palmitate; and 1600 ppm sunflower lecithin.
The 2400 ppm mixed tocopherol came from 2000 ppm of added tocopherols (includes 900ppm
that was added upstream), which is available from, for example, Vitablend (Wolvega, the
Netherlands) under the trade name TocoblendTM L70, and from the mixed tocopherols contained
in the 4000 ppm of TAP 1010 Sun that was added to the oil. TAPlOlO Sun ed 400 ppm
ascorbyl palmitate, 400 ppm mixed tocopherols, and 1600 ppm sunflower lecithin.
EXAMPLE 14
Final Oil containing Rosemary Extract, .Mixed Tocopherols, and yl
Palmitate. A crude oil can be obtained from Schizochytrium sp via the processes described in,
for example, W0 498, W0 67, WO 03/105606, and W02011/153246. The crude
oil can be further processed via refining, bleaching, and deodorizing to obtain refined oils. The
refined oil can be further blended with H080 to achieve final oil with DHA content of at least
about 400 mg/g oil. The characteristics of final oil according to this example are similar to the
characteristics set forth in Table 28.
Example 14a. 'Other ingredients ned in the final oil include 2000 ppm
Rosemary Extract; 1700ppm mixed tocopherols (includes 900ppm that was added upstream),
which is available from, for example, end ga, the Netherlands) under the trade
name TocoblendTM L70; and 250 ppm ascorbyl palmitate.
Example 14b and 14c. Other ingredients contained in the final oil include 3000
ppm Rosemary Extract; 1700ppm mixed tocopherols (includes 900ppm that was added
upstream), which is available from, for example, Vitablend (Wolvega, the Netherlands) under the
trade name TocoblendTM L70; and 250 ppm ascorbyl ate.
Example 14d. Other ingredients contained in the final oil include 5000 ppm
Rosemary t; 1700ppm mixed erols (includes 900 ppm that was added upstream),
which is available from, for example, Vitablend (Wolvega, the lands) under the trade
name TocoblendTM L70; and 250 ppm ascorbyl palmitate.
E 15
Final Oil containing Organic Rosemary Extract and Mixed Tocopherols. A crude
oil can be obtained from Schizochytrium sp via the processes described in, for example, WO
91/007498, WO 94/08467, WO 03/105606, and W020] 1/153246. The crude oil can be further
processed via refining, bleaching, and izing to obtain refined oils. The refined oil can be
further blended with organic HOSO, which is available from, for example, Adams Vegetables
Oils, Inc, (Arbuckle, California) to achieve a final oil with DHA content of at least about 400
mg/g oil. Typical characteristics ofthe final oil according to this example are set forth in Table
Table 29: Characteristics of a Final Oi_l with DHA contentof at least about 400 mg/g oil
Chemical Characteristics
DHA Content m-./ oil ZZ
ZZma:><>< '
' om No U!
ZZZ man:><><x be com
Example 15a. Other ingredients contained in the final oil include 750 ppm Rosemary
Extract, which is available from, for example, Vitiva ( Markovic, Slovenia) under the trade name
Inolens® 4 organic and Naturex, on, France) under the trade name organic
StabilEnhance® OSR-4 ; and 1700 ppm mixed erols (includes 900 ppm that was added
during upstream processing), which is ble from, for example, Vitablend (Wolvega, the
Netherlands) under the trade name TocoblendTM L70.
Example 15b. Other ingredients contained in the final oil include 2000 ppm Rosemary
Extract, which is available from, for example, Vitiva ( Markovic, Slovenia) under the trade name
s® 4 organic and Naturex, (Avignon, France) under the trade name organic
StabilEnhance® OSR—4 ; and 2400 ppm mixed tocopherols (includes 900 ppm that was added
upstream), which is available from, for example, end (Wolvega, the lands) under the
trade name TocoblendTM L70.
EXAMPLE 16
The potency; fishy/marine aroma ); and fishy/marine aromatics ) ofthe final
oils according to examples 13, 14, and 15 were compared. The results of this comparison are set
forth in Table 30.
The potency was obtained via the following protocol AOCS Ce 1b-89(modified). The
marine/fishy aroma (smell) and /fishy aromatics (taste) sensory values were determined
according to the method as described in Sensory Evaluation Techniques, Meilgaard et al.,
CRC Press; 4 edition (December 13, 2006). A panel of 8 - 18 experienced people tasted and/or
smelled a sample of the oils according to examples 13, 14, and 15. Each of these people
determined the value of the . Afterwards all the values were averaged arithmetically
and the result was rounded up or down to the next number. A value of ≥ 1.5 fishy/marine
aroma and ≥ 2.5 fishy/marine ics is expected to be perceivable by the general
population.
The final oils of each of es 13 and 14a-d were packaged in 300g heat-sealed
foil bags with low density polyethylene (LDPE) lining (manufactured by Heritage
Packaging) and stored at 25 °C.
The final oils of each of examples 15a-b were ed in 100g epoxy-phenolic lined
aluminium containers (Elemental Container Inc., part number MC 12532) with 25 mm natural
poly plug inserts ntal Container Inc., part number 024PLUG) and stored at 25 °C.
Table 30
A reference herein to a patent document or other matter which is given as prior art is
not to be taken as an admission that that document or matter was known or that the
information it ns was part of the common general knowledge as at the priority date of
any of the claims.
Throughout the description and claims of the specification, the word "comprise" and
variations of the word, such as "comprising" and "comprises", is not intended to exclude other
additives, components, integers or steps.
Claims (37)
1. An oil comprising: (i) at least 30 wt.% of one or more polyunsaturated fatty acid (PUFA) having at least 4 double bonds, wherein the PUFA is hexaenoic acid (DHA), eicosapentaenoic acid 5 (EPA), 3 docosapentaenoic acid (DPA n-3), 6 docosapentaenoic acid (DPA n- 6), and mixtures thereof; (ii) at least one first antioxidant, wherein the at least one first antioxidant is a erol, and wherein the oil comprises tocopherol in an amount g from about 900 ppm to about 3400 ppm; 10 (iii) an ascorbic acid derivative in an amount ranging from about 50 to about 400 ppm; (iv) less than about 150 ppm lecithin; and (v) a peroxide value (PV) less than 5 meq/kg, for instance less than 2 meq/kg, for ce less than 1 meq/kg.
2. The oil according to claim 1, wherein said oil comprises less than about 30 ppb iron. 15
3. The oil according to claim 1 or claim 2, wherein said oil has a fishy aroma sensory value of less than 1.5.
4. The oil according to any one of the preceding claims, wherein said oil further comprises a flavoring t.
5. The oil according to claim 4, wherein said flavoring reagent is rosemary extract. 20
6. The oil according to any one of the preceding claims, wherein the ascorbic acid derivative is present in an amount ranging from about 100 ppm to 300 ppm.
7. The oil according to any one of the preceding claims, wherein said second antioxidant is ascorbyl palmitate.
8. The oil according to any one of the preceding claims, wherein said oil has a fishy 25 aromatics sensory value of less than 2.5.
9. The oil according to any one of the preceding claims, wherein said oil has an Anisidine Value (AnV) less than 20, for instance less than 10.
10. The oil ing to any one of the preceding claims, wherein said tocopherol is a mixed tocopherol.
11. The oil according to any one of the preceding claims, wherein said tocopherol is an addition tocopherol.
12. The oil ing to any one of the preceding claims, wherein said oil is an organic oil.
13. The oil according to any one of the ing claims, wherein said oil is a natural oil. 5
14. The oil according to any one of the preceding claims, wherein said oil and/or said at least one polyunsaturated fatty acid having at least 4 double bonds is obtained from at least one microalgae, fish, plant, seed, or combinations thereof.
15. The oil according to claim 14, n said microalgae is Thraustochytriales.
16. The oil according to claim 14, wherein said microalgae is chosen from 10 Thraustochytrium sp., Schizochytrium sp., and combinations thereof.
17. The oil according to any one of the preceding claims, wherein said at least one polyunsaturated fatty acid having at least 4 double bonds is obtained from a plant.
18. The oil according to any one of the preceding claims, wherein said at least one polyunsaturated fatty acid having at least 4 double bonds is obtained from fish. 15
19. A final oil comprising the oil of any one of the preceding claims and at least one r oil.
20. The final oil according to claim 19, wherein said further oil is selected from a vegetable oil.
21. The oil according to any one of the preceding claims, wherein said oil is an edible oil. 20
22. Use of an oil according to any one of the preceding claims for preparing a food product.
23. Use of an oil according to any one of the preceding claims as an ve to a food product.
24. Process for preparing a food product, sing incorporating the oil according to any 25 one of the preceding claims into said food product.
25. A food product comprising the oil according to any one of the preceding claims.
26. An oil ing to any one of the preceding claims, wherein said oil comprises at least about 35 wt.%, at least about 40 wt.%, at least about 45 wt.%, at least about 50 wt.% of DHA, wherein said oil comprises less than about 80 wt.%, less than about 70 wt.%, or less than about 30 60 wt.% of DHA.
27. An oil according to any one of the preceding claims, wherein said oil comprises at least about 35 wt.%, at least about 40 wt.%, at least about 45 wt.%, at least about 50 wt.% of DHA+EPA, wherein said oil comprises less than about 80 wt.%, less than about 70 wt.%, or less than about 60 wt.% of DHA+ EPA. 5
28. The oil according to any one of the preceding claims, wherein said oil has a at value that is less than about 19.
29. The oil according to any preceding claim, wherein said oil has a fishy aroma sensory value of less than 1.5 at a time period chosen from 0 to 3 months, at 0 to 4 months, at 0 to 5 months, at 0 to 6 months, at 0 to 7 months, at 0 to 8 months, or at 0 to 9 . 10
30. The oil ing to any preceding claim, wherein said oil has a fishy aromatics sensory value of less than 2.5 at a time period chosen from 0 to 3 months, at 0 to 4 months, at 0 to 5 months, at 0 to 6 months, at 0 to 7 months, at 0 to 8 months, or at 0 to 9 months.
31. The oil according to any one of the preceding claims, wherein said oil comprises less than about 10 ppm of lecithin. 15
32. The oil according to any one of the preceding , wherein said oil comprises tocopherol in an amount ranging from about 1000 ppm to 3000 ppm.
33. The oil ing to any one of the preceding claims, wherein said oil comprises an addition tocopherol ranging from about 300 ppm to about 1000 ppm.
34. The oil according to any one of the preceding , wherein said oil comprises 20 rosemary extract ranging from 500 ppm to 5000 ppm.
35. An oil according to claim 1 substantially as hereinbefore described, with reference to any of the Examples.
36. A process for preparing a food product ing to claim 24 substantially as hereinbefore described, with nce to any of the Examples. 25
37. A food product according to claim 25 substantially as hereinbefore described, with reference to any of the Examples.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201161554291P | 2011-11-01 | 2011-11-01 | |
US61/554,291 | 2011-11-01 | ||
NZ72207412 | 2012-11-01 |
Publications (2)
Publication Number | Publication Date |
---|---|
NZ736931A NZ736931A (en) | 2019-05-31 |
NZ736931B2 true NZ736931B2 (en) | 2019-09-03 |
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