NZ602652B - Dairy-based foods having high levels of lactose - Google Patents
Dairy-based foods having high levels of lactose Download PDFInfo
- Publication number
- NZ602652B NZ602652B NZ602652A NZ60265212A NZ602652B NZ 602652 B NZ602652 B NZ 602652B NZ 602652 A NZ602652 A NZ 602652A NZ 60265212 A NZ60265212 A NZ 60265212A NZ 602652 B NZ602652 B NZ 602652B
- Authority
- NZ
- New Zealand
- Prior art keywords
- dairy
- lactose
- moisture
- percent
- protein
- Prior art date
Links
- 235000013365 dairy product Nutrition 0.000 title claims abstract description 157
- GUBGYTABKSRVRQ-QKKXKWKRSA-N Lactose Natural products OC[C@H]1O[C@@H](O[C@H]2[C@H](O)[C@@H](O)C(O)O[C@@H]2CO)[C@H](O)[C@@H](O)[C@H]1O GUBGYTABKSRVRQ-QKKXKWKRSA-N 0.000 title claims abstract description 122
- 239000008101 lactose Substances 0.000 title claims abstract description 122
- 235000013305 food Nutrition 0.000 title claims description 33
- 239000013078 crystal Substances 0.000 claims abstract description 78
- 235000018102 proteins Nutrition 0.000 claims abstract description 26
- 102000004169 proteins and genes Human genes 0.000 claims abstract description 26
- 108090000623 proteins and genes Proteins 0.000 claims abstract description 26
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- 239000000203 mixture Substances 0.000 claims description 85
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- 239000012141 concentrate Substances 0.000 claims description 12
- 230000000694 effects Effects 0.000 claims description 12
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- -1 and the like Substances 0.000 description 2
- OGBUMNBNEWYMNJ-UHFFFAOYSA-N batilol Chemical class CCCCCCCCCCCCCCCCCCOCC(O)CO OGBUMNBNEWYMNJ-UHFFFAOYSA-N 0.000 description 2
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- 239000005428 food component Substances 0.000 description 2
- 239000008103 glucose Substances 0.000 description 2
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 description 2
- 239000000845 maltitol Substances 0.000 description 2
- 235000010449 maltitol Nutrition 0.000 description 2
- VQHSOMBJVWLPSR-WUJBLJFYSA-N maltitol Chemical compound OC[C@H](O)[C@@H](O)[C@@H]([C@H](O)CO)O[C@H]1O[C@H](CO)[C@@H](O)[C@H](O)[C@H]1O VQHSOMBJVWLPSR-WUJBLJFYSA-N 0.000 description 2
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- 239000010452 phosphate Substances 0.000 description 2
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- 235000020374 simple syrup Nutrition 0.000 description 2
- 239000001509 sodium citrate Substances 0.000 description 2
- NLJMYIDDQXHKNR-UHFFFAOYSA-K sodium citrate Chemical compound O.O.[Na+].[Na+].[Na+].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O NLJMYIDDQXHKNR-UHFFFAOYSA-K 0.000 description 2
- 229940080352 sodium stearoyl lactylate Drugs 0.000 description 2
- ODFAPIRLUPAQCQ-UHFFFAOYSA-M sodium stearoyl lactylate Chemical compound [Na+].CCCCCCCCCCCCCCCCCC(=O)OC(C)C(=O)OC(C)C([O-])=O ODFAPIRLUPAQCQ-UHFFFAOYSA-M 0.000 description 2
- 239000005720 sucrose Substances 0.000 description 2
- 235000013311 vegetables Nutrition 0.000 description 2
- PUPZLCDOIYMWBV-UHFFFAOYSA-N (+/-)-1,3-Butanediol Chemical compound CC(O)CCO PUPZLCDOIYMWBV-UHFFFAOYSA-N 0.000 description 1
- SERLAGPUMNYUCK-DCUALPFSSA-N 1-O-alpha-D-glucopyranosyl-D-mannitol Chemical compound OC[C@@H](O)[C@@H](O)[C@H](O)[C@H](O)CO[C@H]1O[C@H](CO)[C@@H](O)[C@H](O)[C@H]1O SERLAGPUMNYUCK-DCUALPFSSA-N 0.000 description 1
- IIZPXYDJLKNOIY-JXPKJXOSSA-N 1-palmitoyl-2-arachidonoyl-sn-glycero-3-phosphocholine Chemical compound CCCCCCCCCCCCCCCC(=O)OC[C@H](COP([O-])(=O)OCC[N+](C)(C)C)OC(=O)CCC\C=C/C\C=C/C\C=C/C\C=C/CCCCC IIZPXYDJLKNOIY-JXPKJXOSSA-N 0.000 description 1
- CHHHXKFHOYLYRE-UHFFFAOYSA-M 2,4-Hexadienoic acid, potassium salt (1:1), (2E,4E)- Chemical compound [K+].CC=CC=CC([O-])=O CHHHXKFHOYLYRE-UHFFFAOYSA-M 0.000 description 1
- MIDXCONKKJTLDX-UHFFFAOYSA-N 3,5-dimethylcyclopentane-1,2-dione Chemical compound CC1CC(C)C(=O)C1=O MIDXCONKKJTLDX-UHFFFAOYSA-N 0.000 description 1
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- FBPFZTCFMRRESA-JGWLITMVSA-N D-glucitol Chemical compound OC[C@H](O)[C@@H](O)[C@H](O)[C@H](O)CO FBPFZTCFMRRESA-JGWLITMVSA-N 0.000 description 1
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- WQZGKKKJIJFFOK-PHYPRBDBSA-N alpha-D-galactose Chemical compound OC[C@H]1O[C@H](O)[C@H](O)[C@@H](O)[C@H]1O WQZGKKKJIJFFOK-PHYPRBDBSA-N 0.000 description 1
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- 235000014655 lactic acid Nutrition 0.000 description 1
- 239000000787 lecithin Substances 0.000 description 1
- 235000010445 lecithin Nutrition 0.000 description 1
- 229940067606 lecithin Drugs 0.000 description 1
- 239000000594 mannitol Substances 0.000 description 1
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- 239000011707 mineral Substances 0.000 description 1
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Classifications
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23C—DAIRY PRODUCTS, e.g. MILK, BUTTER OR CHEESE; MILK OR CHEESE SUBSTITUTES; MAKING THEREOF
- A23C13/00—Cream; Cream preparations; Making thereof
- A23C13/12—Cream preparations
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23C—DAIRY PRODUCTS, e.g. MILK, BUTTER OR CHEESE; MILK OR CHEESE SUBSTITUTES; MAKING THEREOF
- A23C13/00—Cream; Cream preparations; Making thereof
- A23C13/12—Cream preparations
- A23C13/14—Cream preparations containing milk products or non-fat milk components
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23C—DAIRY PRODUCTS, e.g. MILK, BUTTER OR CHEESE; MILK OR CHEESE SUBSTITUTES; MAKING THEREOF
- A23C19/00—Cheese; Cheese preparations; Making thereof
- A23C19/06—Treating cheese curd after whey separation; Products obtained thereby
- A23C19/09—Other cheese preparations; Mixtures of cheese with other foodstuffs
- A23C19/0904—Liquid cheese products, e.g. beverages, sauces
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23C—DAIRY PRODUCTS, e.g. MILK, BUTTER OR CHEESE; MILK OR CHEESE SUBSTITUTES; MAKING THEREOF
- A23C9/00—Milk preparations; Milk powder or milk powder preparations
- A23C9/152—Milk preparations; Milk powder or milk powder preparations containing additives
- A23C9/154—Milk preparations; Milk powder or milk powder preparations containing additives containing thickening substances, eggs or cereal preparations; Milk gels
- A23C9/1544—Non-acidified gels, e.g. custards, creams, desserts, puddings, shakes or foams, containing eggs or thickening or gelling agents other than sugar; Milk products containing natural or microbial polysaccharides, e.g. cellulose or cellulose derivatives; Milk products containing nutrient fibres
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23V—INDEXING SCHEME RELATING TO FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES AND LACTIC OR PROPIONIC ACID BACTERIA USED IN FOODSTUFFS OR FOOD PREPARATION
- A23V2002/00—Food compositions, function of food ingredients or processes for food or foodstuffs
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23V—INDEXING SCHEME RELATING TO FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES AND LACTIC OR PROPIONIC ACID BACTERIA USED IN FOODSTUFFS OR FOOD PREPARATION
- A23V2200/00—Function of food ingredients
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23V—INDEXING SCHEME RELATING TO FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES AND LACTIC OR PROPIONIC ACID BACTERIA USED IN FOODSTUFFS OR FOOD PREPARATION
- A23V2250/00—Food ingredients
- A23V2250/50—Polysaccharides, gums
- A23V2250/51—Polysaccharide
- A23V2250/5116—Other non-digestible fibres
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23V—INDEXING SCHEME RELATING TO FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES AND LACTIC OR PROPIONIC ACID BACTERIA USED IN FOODSTUFFS OR FOOD PREPARATION
- A23V2250/00—Food ingredients
- A23V2250/60—Sugars, e.g. mono-, di-, tri-, tetra-saccharides
- A23V2250/612—Lactose
Abstract
602652 Disclosed is a dairy-based comestible having high levels of lactose in moisture and a smooth texture. The disclosed dairy-based comestible comprises: a dairy protein component providing dairy protein and lactose to the dairy-based comestible; about 14 to about 22% lactose; about 10 to about 65% moisture; a lactose-in-moisture phase of about 30 to about 50% calculated as the weight percent lactose divided by the sum of the weight percent lactose plus the weight percent moisture; and a maximum temperature exposure of the dairy protein component between about 130°F and 155°F effective such that lactose crystal sizes are an average of about 100 microns or below within the moisture phase to provide a smooth texture to the dairy-based comestible. o about 65% moisture; a lactose-in-moisture phase of about 30 to about 50% calculated as the weight percent lactose divided by the sum of the weight percent lactose plus the weight percent moisture; and a maximum temperature exposure of the dairy protein component between about 130°F and 155°F effective such that lactose crystal sizes are an average of about 100 microns or below within the moisture phase to provide a smooth texture to the dairy-based comestible.
Description
PATENTS FORM NO. 5 Our ref: FIP 234503NZPR
NEW ZEALAND
PATENTS ACT 1953
COMPLETE SPECIFICATION
Dairy-based foods having high levels of lactose
We, Kraft Foods Global Brands LLC, a Delaware ation of Three Lakes Drive,
Northfield, Illinois 60093, United States of a hereby declare the invention, for which
we pray that a patent may be granted to us and the method by which it is to be performed, to
be particularly described in and by the following statement:
(followed by page 1a)
DAIRY-BASED FOODS HAVING HIGH LEVELS OF LACTOSE
FIELD
The field relates to dairy-based foods and, in particular, dairy-based foods having
high levels of lactose in moisture generally without lactose crystals causing a grainy or sandy
texture.
BACKGROUND
Increasing the levels of dairy ingredients in foods, such as confections, s,
spreads, snack bars, cereal bars, and the like, is often desired due to the nutritional benefits that
many of the components in dairy ingredients impart to foods. For example, it may be beneficial
to increase the amount of whey or milk ents in processed cheeses or cheese spreads to
increase the levels of protein. Snack and cereal bars are popular with consumers for their ease
in providing a convenient and ready-meat t. Chewy snack and cereal bars
can, in some
instances, be more desired by consumers because they resemble the texture and mouthfeel of
candy bars. Dairy-based components can be used as binders in snack and cereal bars. It may
also be beneficial to provide an increased level of dairy protein in the snack and cereal bars.
However, when using large s of dairy ingredients in foods, it also generally
results in a corresponding increase in the amount of lactose. For example, whey and non-fat
dry milk powders generally comprise about 65 percent and about 50 percent lactose,
respectively. Thus, increasing the amounts of these ients in foods can also result in
corresponding increases in the lactose composition of the resulting foods as well. Increasing
lactose in food can, in some cases, have undesired s on the organoleptic characteristics of
the food.
For ce, heating foods containing high levels of dairy ingredients and the
corresponding high levels of lactose may cause leptic ms due to the solublization
of the lactose in the moisture phase of the food. Upon cooling, the lactose
may solidify into
crystals that can grow into relatively large agglomerates. Such large crystals or agglomerates
may result in a gritty mouthfeel or a food that does not have ally smooth or creamy
characteristics. Lactose tends to solublize in moisture when exposed to temperatures of about
130°F or more. Thus, lactose crystallization tends to be a problem in foods and other
- la (followed by page 2)
comestibles, which desire a smooth and creamy texture, when the dairy ingredients are exposed
to temperatures of at least about 130°F, such as during manufacturing, pasteurizing, and/ or
storage.
In View of this undesired lactose crystallization, it is lly accepted that there is
a limit to the amount of dairy components, and thus the amount of lactose, that can be added to
based foods while still retaining a smooth and creamy texture. If dairy components are
added at too high a level, then the high levels of associated lactose
may result in even a greater
tendency for large lactose crystal growth. Large lactose crystals detract from the smooth eating
ence of the foods. In order to minimize this tendency, the book S CHEESE
(Vincent L. Zehren) states there is a maximum limit to the amount of lactose that can be
included in certain based foods in order to avoid large crystal formation in the moisture
phase. Zehren states that the ed levels of lactose should not be ed due to the
possibility of causing the formation of large lactose crystals.
In some cases, ts have been made to minimize e crystal growth by
purposely forming crystals through seeding, controlling lactose crystal growth via a
combination of high temperatures and high shear, or conversion of the lactose to other
ingredients. Prior processes that attempt to control e crystal size through seeding use
lactose micro-crystals. This approach is generally undesired because the lactose micro-crystals
complicate the manufacturing process with extra ingredients and process steps. It is often
difficult to add the crystals at precisely the correct time and temperature. With lactose seed
crystals, good mixing is needed and such additions are ult to control because the small
seeding crystals can melt easily rendering them ineffective as a seed crystal. Prior processes
that attempt to control crystal growth through high temperatures and high shear are generally
undesired because exposing products with high levels of dairy ns and lactose to high
temperatures can also result in other undesired organoleptic problems due to browning of the
dairy components. High shear levels can also increase temperatures to undesired levels.
e can also be converted to glucose and galactose through the addition of lactase
enzymes,
However, these processes are also undesired because lactase enzymes can add additional costs
and processing times for the enzyme to convert the e to its monosaccharides. Lactose
sion may also impart other undesired organoleptic changes, such as darker colors,
increased sweetness, and softer textures.
SUMMARY
A dairy-based food component is provided that includes high levels of lactose in
moisture, but still retains a smooth and creamy consistency. As mentioned in the background,
it was generally accepted that the amount of lactose in the moisture phase was limited due to
the undesired crystallization of the lactose. The compositions and methods herein provide for
higher levels of lactose in moisture than previously found possible and still retain small crystal
sizes in a finished product to maintain a smooth and creamy texture.
BRIEF DESCRIPTION OF THE DRAWINGS
is a plot of lactose-in—moisture phase as a function of moisture level;
is a plot of lactose-in-moisture phase as a function of moisture level; and
FIGS. 3-9 are graphs of lactose l size as a function of temperature.
DETAILED DESCRIPTION
As mentioned in the background, it is generally accepted that the amount of e
solubilized in re or the moisture phase within dairy-based foods was limited due to the
undesired crystallization of the lactose, which can result in a grainy or sandy texture. Large
lactose crystals are generally undesired in foods that are ed to have a smooth and
creamy
texture. This crystallization effect tended to limit the amount of dairy ingredients that can be
used in certain foods. For example, as also mentioned in the background, Vincent Zehren
reports in PROCESS CHEESE ranges for the maximum level of dairy components, and
therefore, the maximum levels of e suitable for sed cheeses and spreads. Zehren
states that e exceeding these maximum levels s in red l growth. From
Zehran’s data, provided in Table 1 below and shown in the maximum acceptable
lactose-in-moisture phase (LIMP) can be calculated and plotted relative to the moisture level.
e-in—moisture phase is a parameter that quantifies the amount of lactose functionalized or
solublized in a moisture phase within a dairy-based food component or other food component.
As used herein, LIMP or LIMP value is the weight percent lactose divided by the sum of the
weight percent lactose and the weight percent re as provided in formula A
LIMP = Lactose wt % / (Lactose wt % + Moisture wt %) (A).
represents the maximum amounts of LIMP usly accepted in based foods so
that large lactose crystal growth was generally minimized and/ or avoided. The curve as set
forth in can be generally defined as formula (B)
LIMP = (wt % moisture)2 -1.3207(weight % moisture) + 51.474 (B).
LIMP values relative to weight percent moisture below curve B was previously known to result
in acceptable e crystal sizes for smooth and creamy applications. On the other hand,
LIMP values relative to weight percent moisture above curve B was previously understood to
result in large lactose ls and generally deemed unacceptable for food applications desiring
smooth and creamy textures. (Process Cheese, Zehran). Thus, this e crystallization effect
tends to be a problem in compositions with high levels of dairy components.
Table 1: Data from Zehran’s Process Cheese ing Maximum
Lactose in Moisture phase
Maximum
Calculated Maximum Calculated
m Lactose Lactose in Acceptable LIMP based
NFDM,% ‘ either on Data from Zehran,
Whey or
NFDM, %
The compositions and methods herein, on the other hand, provide dairy~based
foods and other comestibles with high levels of lactose in moisture (LIMP) previously found
unacceptable and, at the same time, ctedly provide for small lactose crystals effective to
form a smooth and creamy texture. That is, the compositions and methods herein allow dairy-
based and other comestibles to have a LlMP value relative to weight percent moisture to fall
above the curve in and into the region previously not thought possible, While still
resulting in a smooth and creamy texture. To this end, it was unexpectedly discovered that
lactose crystal sizes were ed differently at different LIMP ranges and at different
temperature exposures of the dairy ingredients. At certain LIMP values, temperature has little
to no effect at minimizing e crystal sizes. However, at higher LIMP , a selected
temperature range has a dramatic effect at minimizing lactose crystal sizes.
In one aspect, the compositions and methods herein provide for dairy—based foods
with a moisture phase to have LIMP values falling within the previously thought unacceptable
range of (above the curve identified in formula B) and, at the same time, exhibiting a
smooth and creamy texture resulting from relatively small lactose crystals. By one approach,
the compositions and methods herein result in dairy based products having a LIMP value
above the curve in defined by formula B and lactose crystals with an average size of
about 100 microns or less, in some cases, about 60 s or less, and in yet other cases, about
microns or less. By another approach, the compositions and methods have a LIMP value
above the curve in defined by formula B and an average lactose crystal size between
about 15 and about 100 microns, in other cases, between about 15 and about 60 microns, and in
other cases, between about 40 and about 60 microns, and in yet other cases, between about 20
and about 40 s.
In another aspect, the composition and methods herein provide dairycbased foods
with a moisture content from about 20 to about 65 percent and a LIMP value of at least about 30,
in some cases, at least about 33, and in other cases, about 30 to about 50 and In yet other cases,
about 33 to about 44. These compositions are effective to form or may have the average e
crystal sizes ned above.
In yet another aspect, the compositions and methods herein achieve such high levels
of LIMP values relative to moisture by carefully controlling the temperature exposure of the
dairy components and/or food products ing the dairy ingredients. By one approach, the
dairy components and/or the compositions herein are d to temperatures from about
130°F to 155°F. Temperature exposures of the dairy ingredients below about 130°F are generally
not a problem with lactose crystallization because lactose tends not to solublize in water at such
temperatures in the LIMP region of interest. At temperatures above 155°F, however, it has been
discovered that a dramatic increase in average lactose crystal sizes occurs over a LIMP values of
about 83. While not g to be limited by theory, once the LIMP gets to at least about 30 or
about 33 or higher, the effect of temperature exposure on the dairy ingredients
appears to be
one factor that ls the average lactose crystal sizes. While not wishing to be limited by
theory, it is believed that within the combination of the LIMP region of interest and temperature
exposure limits described herein, the lactose in moisture may be partially melting and forming
some small lactose crystals. Again, not wishing to be d by theory, there may be a
sufficiently high number of these small formed lactose crystals that survive the heat treatment
and then become sites for the ized e to form small crystals as the product cools. This
is achieved without adding any additional seed crystals.
illustrates compositions, discussed further below in the Examples, of dairy-
based binders that have small lactose crystals of about 100 microns or less over a temperature
re of about 180°F to 155°F, but a LIMP value relative to weight percent moisture well
into the unacceptable ranges previously not thought possible in dairy-based foods. These
compositions at a moisture level of about 28% have a LIMP value from about 33 to about 44
and have an average lactose crystal size of about 15 to about 100 microns over a temperature
exposure range of about 130°F to 155°F. If these compositions have a LIMP below about 33 or
are exposed to temperatures above 155°F, then large lactose l growth is observed.
Compositions herein may also have low levels of whey protein denaturation. By
one ch, compositions and methods herein are effective so that no additiomal whey
protein ration occurs such that the level of whey protein denaturation of the whey
proteins is substantially maintained.
Compositions herein may also e the high levels of LIMP and small lactose
crystal sizes substantially free of or without substantial use of any added lactose seed ls or
other seeding components. As used herein, without substantial use of lactose seed crystals or
other seeding generally means less than about 0.5 percent added seeding crystals or other
added crystal forming components, in some cases less than about 0.05 percent added seeding
components, and in other cases, less than about 0.01 percent added g components, and in
yet other cases, no added seeding components.
In one e, dairy based binders may be one ition suitable for the
approaches discussed herein. For instance, dairy based binders with the high LIMP values may
be suitable as a binder for snack and cereal bars; however, other applications may also be used.
In one approach, an exemplary dairy based binder may include a blend of dairy proteins, dairy
fats, and other components in amounts sufficient to render binding functionality to the
composition. In another approach, the compositions may include dairy proteins, whey
proteins, casein proteins, dairy fats, water soluble fiber, and/ or maltodextrin.
In yet another approach, compositions may include about 15 to about 33 percent
dairy proteins selected from non-fat dry milk (high heat or low heat), whey n powders,
and milk protein concentrates. The composition may also e from 0 to about 15 percent
eel enhancers, such as polysaccharides, maltodextrin, and the like; about 1 to about
percent sweetener; about 30 to about 35 percent cream or other fat source; about 1 to about
percent added water; and about 12 to about 15 percent soluble fibers such as oligofructose and
the like. Other compositions and ingredients may be appropriate based on the end use. For
example, cheeses and cheese s may also include emulsifiers, salts, and the like suitable
for such application. In general, however, the moisture phase in the compositions herein
include moisture from added water plus moisture provided from other composition
ingredients.
In some approaches, the compositions may also be free of significant amounts of
sugar , gums, and/or humectants, which may be referred to herein as non-dairy binding
ients. Free of significant amounts generally means less than about 0.1 percent,
preferably, less than about 0.01 percent, and most preferably, no sugar syrups, gums, and/ or
humectants. As used herein, humectants include, but are not d to, glycerin, sorbitol,
mannitol, propylene glycol, butylene glycol, maltitol, and the like; gums include, but are not
limited to, carrageenan, guar gum, locust bean, gum Arabic, xanthan, pectin, gelatin, carboxy-
methylcellulose, and the like; and sugar syrups include, but are not d to, corn syrup,
isomalt, maltitol, maltose syrups, and the like.
In one form, the protein in an ary based binder may be obtained from
aqueous dairy components, dry dairy components, and blends thereof. For example, the
aqueous dairy component may be liquid dairy sources, moist or semi-solid dairy sources, and
mixtures f. The dry dairy component may be obtained from various dairy powders
having little or no re (i .e., lly less than about 5 percent moisture). For example, the
dairy-based binder can be formed from blends of water and dairy ingredients from one or more
of the aqueous and/ or dry dairy sources in s to achieve the desired levels of moisture,
solids, protein, and lactose described above.
By one approach, suitable aqueous dairy components for the binder include milk
(such as skim, d fat, 2 percent, whole) cream, condensed milk, sweetened condensed
milk, condensed fat-free milk, ned condensed fat-free milk, ultrafiltered milk,
ultrafiltered condensed milk, yogurt, other cultured dairy products, and the like. Suitable solid
or semi-solid dairy ingredients include yogurts, other cultured dairy products, dairy pastes,
cheeses (such as cream cheese, cottage cheese, ricotta, Cheddar, atel, processed, and the
like) and the like. Suitable powdered dairy ingredients include milk powders, cultured
powders, non-fat dry milk powders, skim milk powders, milk protein concentrate powders,
whey protein concentrate powders, whey powders, non-fat dry milk powders, and the like.
{0025] In another approach, the based binder component may be blended in a
substantially uniform manner with an edible or dry base component. By one approach, an
exemplary composition using the dairy-based binder may e up to about 60 percent of an
edible base component, preferably, about 35 to about 50, and most preferably, about 35 to about
45 percent blended with the dairy-based binder having the LIMP values, moisture ranges,
crystal sizes, and temperature exposure limits mentioned above. By one approach, the edible or
dry base component may include grains, granola, oats, nuts, and the like as well as mixtures
thereof. In other approaches, the edible or dry base component may also e , cookies,
raisins, soy crisps, oatmeal, cereals, cake, cookies, ls, pasta, grain based ts,
starches, rice, wheat, other amylaceous materials, and the like, and mixtures thereof.
Optionally, the bar may also be blended with various inlays or other ingredients as desired,
such as various intermediate and high re fruits, nuts, s, candies, , nutrients,
and the like. If such inlays are ed, it is preferred that snack and cereal bar includes about
to about 8 percent of such . If desired, the bar may also be coated or enrobed or have
blended therein a coating, such as ate, caramel, and the like. Alternatively, the bar may
have multiple layers of the binder, edible base component with various fillings, fruit, and/or
coatings therebetween.
The dairy-based binder may also include a number of optional ingredients
depending on the particular application. For example, the binder may include emulsifiers,
emulsifying salts, stabilizers, bulking agents, vatives, colorants, vegetable or dairy fats,
sweeteners, flavors, edible acids, fruits, nuts, nutrients, vitamins, mineral ments (e.g.,
m fortification), and starches among other ingredients. For example, optional binder
ingredients may include titanium dioxide (for color), potassium sorbate (preservative),
maltodextrin (filler), soy in (emulsifier), wheat dextrin (filler), soy fiber (fiber source),
anhydrous milk fat (creaminess), salt, starches, and lactic acid. Suitable optional emulsifying
salts may include, for example, sodium citrate, ium e, monosodium phosphate,
disodium phosphate, trisodium phosphate, sodium aluminum ate, sodium
tripolyphosphate, sodium hexametaphosphate, ssium phosphate, sodium acid
pryrophosphate, and the like, as well as mixtures thereof. If used, sodium citrate, um
phosphate, or es thereof are the preferred optional emulsifying salts. Suitable emulsifiers
may also include, for example, monoglycerides, diglycerides, polysorbates, sodium stearoyl
lactylate, lecithin, and mixtures thereof as well as the like. If used, monoglycerides,
diglycerides, sodium stearoyl lactylate, and mixtures thereof are the red optional
emulsifiers. Preferably, such emulsifiers may be used in aerated solid milk products. The
dairy-based binder may optionally include sweeteners, such as ctose sweeteners. The
sweeteners may also be artificial sweeteners. For instance, the binder may include sucrose,
dextrose, fructose, glucose, maltose, corn syrup, honey, and non-nutritive sweeteners. If used,
the preferred sweetener is sucrose. The added sugars or sweeteners can be added separately or
via ned condensed milk. Preferably, as discussed above, the non—dairy sweetener is less
than about 40 percent of the binder, and preferably, about 8 to about 16 percent.
The dairy based binder may also optionally include added edible vegetable and
dairy fats. Suitable edible fats e, for example, butter, cream, ous milk fat,
vegetable fats, coco butter, and mixtures thereof as well as the like. If used, the edible fat may
lly have a melting point less than about 50°C. In other cases, it may be desired to use
edible fats with a melting point of about 35 to about 45°C. If used, the edible fat is preferably
anhydrous milk fat, and preferably melted prior to incorporation in the binder or binder/base
blend.
If desired, these optional ingredients can be incorporated into the binder or bar
so long as these additives do not interfere or adversely effect the desired properties (i.e.,
firmness, water level, processing requirements, and the like). If included, these additives
generally constitute less than about 10 percent of the final product (except the ner). Such
additives can be added either during the initial blending or after ially all components
have been hydrated. Preferably, solid additives may be added during the shear treatment and
liquid additives may be added during the initial blending. Of course, in cases where it is
desired to maintain the physical integrity of the additives (e.g., fruit, nut, or grain pieces), the
addition may generally be completed under low shear conditions.
The dairy-based binder component of the snack and cereal bars may also be aerated.
In an aerated product, the overrun of the aerated based binder component and/ or final
bar may be about 5 to about 100 percent and, in some cases, about 15 to about 60 percent. Other
aeration levels may also be used as appropriate. Aerated dairy based binders ably
contain about 0.05 to about 0.7 percent emulsifier, and more preferably about 0.15 to about
0.4 percent emulsifier. For example, the dairy binder may be aerated using a gas injection such
as, for example, air, nitrogen, or carbon dioxide. Other aeration ques may also be used.
Generally, the aerated binder may have a density of less than about 1.14 g/ml as compared to a
density of about 1.2 to about 1.3 g/ml for the unaerated product. Aeration can be used to
prepare dairy based binders which resemble ice cream, yogurt, and the like.
By another exemplary approach, a dairy-based comestible having high levels of
lactose in moisture and a smooth texture is provided herein. The dairy-based comestible may
include a dairy protein component providing dairy protein and lactose to the dairy-based
comestible. By one approach, comestibles may e about 14 to about 22 percent lactose and
about 10 to about 65 percent moisture to provide a lactose-in-moisture phase of about 33 to
about 44 percent calculated as the weight percent lactose divided by the sum of the weight
t lactose plus the weight percent moisture. In some cases, the ible may also
include about 8 to about 15 percent protein obtained from a dairy source. The comestible may
also have a maximum temperature exposure of at least the dairy protein component and, in
some cases, the comestible between about 130°F and 155°F effective such that lactose crystal
sizes are an average of about 100 microns or below within the moisture phase to provide a
smooth e to the dairy-based comestible. In yet another approach, the dairy-based
comestible may also have a lactose-in-moisture phase between about 10 and about 65 t
moisture that is greater than about 0.0117 (weight % moisture)2 — 1.3207 (weight % moisture) +
51.474 and the lactose l size is about 100 microns or less at the same time. In another
approach, the dairy based comestible may have a LIMP value of about 30 to about 50 (in other
cases, about 33 to about 44) and about 20 to about 65 percent moisture while providing a
smooth and creamy texture with the lactose crystal sizes described above.
The dairy protein component in the dairy-based comestible
may be from an
aqueous dairy protein source, a dry dairy protein source, and mixtures thereof. The aqueous
dairy source may be from cheese, cream, milk, , cultured dairy products, and mixtures
thereof. The dry dairy protein source may be from non-fat dry milk, milk powders, milk
protein concentrate, whey n concentrate, cultured powders, and mixtures thereof.
ally, the dairy-based comestible may be d with other components.
For example, a food composition may include about 40 to about 60 percent of the dairy-based
comestible and about 60 to about 40 percent of a dry base blended with the dairy—based
comestible. The dry base includes about 30 to about 45 percent grains, nuts, granola, oats, or
mixtures thereof and up to about 5 percent of a low or intermediate water activity fruit with a
water activity less than about 0.5.
Turning now to an ary method of forming the high lactose products herein.
By one ch, the method of forming the products carefully controls the maximum
temperature exposure of the ingredients, and in particular, the lactose containing dairy
ingredients, as ned above. For example, the dairy-based foods (and in ular the
dairy components thereof) as well as any final composition thereof has a maximum
temperatures exposure of about 130°F to 155°F. That is, the composition, dairy components,
and/or the final product are not exposed to temperatures below about 130°F or above 155°F.
An ary method will be described with respect to forming a based
binder suitable for use in cereal and snack bars; however, other methods
may be used
depending on the application and type of product. To prepare the exemplary binder, the
various liquid and dry ingredients are blended within the selected ature
ranges. First, a
dairy-based binder component is prepared by blending a dairy protein source(s) with added
water (if needed). The blend is mixed under high and/ or low shear conditions until a
homogenous paste is obtained. In one approach, during the mixing and blending, the
ature may be maintained n about 130°F to 155°F. After the homogenous paste is
obtained, any optional dry base component may be added or mixed into the paste to form an
intermediate blend. During this mixing step, the temperature of the intermediate blend is
maintained between about 130°F and 155°F. After these mixing steps and in some approaches,
the resultant mixture or ediate blend may be rapidly cooled, such as to below about
100°F and, in some cases, to below about 50°F to form a cooled intermediate blend in a
relatively short amount of time. In some cases, the ition may be rapidly cooled from the
blending temperature to the cooling temperature within about 1 to about 5 minutes. In some
approaches, this rapid cooling may also aid, among the other s, in forming the crystal
sizes mentioned above within the LIMP and blending temperature ranges. A scraped~surface
heat exchanger may be used in some applications, for example. If desired, the intermediate
blend or binder component can be homogenized before cooling.
In some ches, average lactose crystal size may be much more consistent for
compositions within the desired LIMP values and temperature exposure ranges described
herein. By one approach, with a LIMP value of about 30 to about 33 (in some cases about 33),
variation in average l size over the temperature range of about 130 to 155°F is about +/-
12 microns or less, and in some cases, about +/- 9 microns or less. Compositions below the
LIMP values described herein and/ or having ature exposures above 155°F have
ically higher variation in average crystal sizes. In l, the variation in average
crystal sizes is lower for compositions within the desired LIMP ranges and temperature ranges
described herein.
Advantages and embodiments of the dairy-based compositions described herein are
further illustrated by the following examples; however, the particular conditions, processing
schemes, materials, and amounts thereof recited in these examples, as well as other conditions
and details, should not be construed to unduly limit this method. All percentages are by weight
unless otherwise indicated.
EXAMPLES
COMPARATIVE EXAMPLE 1
based binders were prepared to evaluate the effect of lactose-in-moisture
ve to temperature re and lactose crystal sizes. Compositions of Table 1 were
prepared and evaluated for lactose crystal size at a variety of temperatures from 130°F, the
minimum temperature for lactose to solublize in water, up to about 170°F.
Each sample A and sample B of Table 1 was prepared by first blending the liquid
and fat in a mix r and heating to 100°F to melt the fat. Next, the non-fat dry milk
was added while blending. Then, the extrin and soluble fibers were added while
blending. The product was then heated to the desired temperature. Once the d
temperature was attained, the agitation was turned down to provide simple mixing and held
for about 1 minute at the prescribed temperature. An approximately 30 gram sample was taken
in a cup. The cup was placed in a refrigerator and . Samples were evaluated for lactose
crystal size using polarized light microscopy. Image analysis for quantification was performed
using Image Pro Plus 5.1. The sample gathering procedure was then repeated at the other
temperatures.
Crystal size data is shown in Table 2 below, and FIGS. 3 and 4 graphically show the
lactose crystal size based on temperature exposure. As shown in Table 2 and FIGS. 3 and 4, the
compositions are not capable of forming small lactose crystal of about 100 microns or less over
the entire temperature range from about 130°F to 155°F.
Table 2: Comparative Compositions
Ingreagent
12.4% 18.8%
Milk Protein Concentrate
0 (
22.2 .
Table 3: Crystal Size by Temperature Exposure
ative A Comparative B
Temperature,
°F Average Lactose Crystal Average lactose Crystal
Size, Morons Size, Microns
-_——
145 164 4 +/- 49.8
222 3 + 64 9 296.2 +/- 85.4
239.4 + 90 1 349.5 + - 126.7
340.3 +/- 99.4 348.2 +/- 117.9
EXAMPLE 2
Dairy~based s consistent with the disclosure herein and exhibiting high levels
of LIMP and small lactose were prepared as in Table 4. The compositions were prepared
similar to that described in Comparative Example 1. Table 5 provides the lactose crystal sizes
and FIGS. 5—8 graphically show the results.
The results show that even with much higher levels of LIMP than previously
thought possible, the compositions still have an average e crystal size below about
100 microns over the entire temperature range of about 130°F to 155°F. As shown in
there is a surprising and ic jump in crystal size in composition C if the temperature
exposure is increased to 160°F. The jump in crystal size occurs in samples D, E, and F, but is
less pronounced.
[00461 Table 4: Compositions as described herein
Ingredients
Table 5: Crystal Size by ature Exposure
D E F
Temperature, Average Lactose Average Lactose Average e Average
Crystal Size, Crystal Size, Crystal Size, Lactose Crystal
°F Microns Microns Microns Size, Microns
—-—-——-_
__-_-_—_
318.1 +/- 123.8 109.0 +/~22.7 73.8 +/— 61.8 123.8 +/_ 40.1
[00481 is a plot of the variation in average e crystal sizes observed in
ative Example 1 and Example 2. It shows that the variation of samples C, D, E, and F tends to
be lower than Comparative samples A and 13 over the same temperature range.
[00491 It will be understood that various changes in the details, materials, and
arrangements of the process, formulations, and ients thereof, which have been herein
described and illustrated in order to explain the nature of the method and dairy—based
compositions may be made by those skilled in the art within the principle and scope of the
embodied method.
Claims (20)
1. A dairy-based comestible having high levels of lactose in moisture and a smooth texture, the based comestible comprising: a dairy protein component providing dairy n and lactose to the based comestible; about 14 to about 22 percent lactose; about 10 to about 65 percent moisture; a lactose—in-moisture phase of about 30 to about 50 percent ated as the weight percent lactose divided by the sum of the weight percent lactose plus the weight percent moisture; and a maximum temperature exposure ofthe dairy protein component between about 130°F and 155“F effective such that lactose crystal sizes are an average of about 100 microns or below within the moisture phase to provide a smooth texture to the dairy—based comestible.
2. The dairy-based comestible of claim 1, wherein the lactose-in-moisture phase between about 10 and about 65 percent moisture is greater than 0.0117 t % moisture)2 - 1.3207 (weight % moisture) + 51.474 and the lactose crystal size is about 100 microns or less.
3. The dairy-based comestible of claim 1 or claim 2, wherein the dairy protein component is selected from the group consisting of an aqueous dairy n source, a dry dairy protein source, and mixtures thereof.
4. The dairy~based ible of claim 3, wherein the aqueous dairy source is selected from cheese, cream, milk, yogurt, cultured dairy products, and es f.
5. The dairy-based comestible of claim 3, wherein the dry dairy protein source is selected from non-fat dry milk, milk powders, milk protein concentrate, whey protein concentrate, cultured powders, and mixtures thereof.
6. The dairy-based comestible of any one of claims 1 to 5, further comprising about 40 to about 60 percent of the dairy-based comestible and about 60 to about 40 t of a dry base d with the dairy—based comestible.
7. The dairy-based comestible of claim 6, n the dry base es about 30 to about 45 percent grains, nuts, granola, oats, or mixtures thereof and up to about 5 percent of a low or intermediate water activity fruit with a water activity less than about 0.5.
8. The dairy-based comestible of any one of claims 1 to 7, wherein the lactose crystal size is obtained substantially without lactose seed crystals.
9. The dairy-based comestible of any one of claims 1 to 8, further comprising about 20 to about 65 percent moisture and the LllVlP is about 33 to about 44.
10. A based composition having high levels of lactose in moisture and a smooth texture, the dairy-based composition comprising: a dairy protein component providing dairy protein and lactose to the dairy—based comestible; about 10 to about 65 percent re; a lactose-in—moisture phase calculated as the weight percent lactose divided by the sum of the weight percent lactose plus the weight percent moisture greater than about 0.0117 {weight % moisture)2 - 1.3207 (weight % moisture) + 51.474; and a maximum temperature exposure ofthe dairy protein component between about 130°F to 155°F effective so that a lactose crystal size within the moisture phase is about 100 s or below.
11. The dairy-based comestible of claim 10, n the lactose—in—moisture phase is about 33 to about 44.
12. The dairy-based comestible of claim 10 or claim 11, wherein the dairy n component is selected from the group consisting of an aqueous dairy protein source, a dry dairy protein source, and mixtures thereof.
13. The dairy-based comestible of claim 12, wherein the s dairy source is selected from cheese, cream, milk, yogurt, cultured dairy products, and mixtures thereof, and wherein the dry dairy protein source is selected from non-fat dry milk, milk powders, milk protein concentrate, whey protein concentrate, ed powders, and mixtures thereof.
14. The dairy-based comestible of any one of claims 10 to 13, wherein a dry base including about 30 to about 45 percent , nuts, granola, oats, or mixtures f and up to about 5 percent of a low or intermediate water activity fruit with a water ty less than about 0.5 is combined with the dairy—based composition.
15. The dairy—based comestible of any one of claims 10 to 14, wherein the lactose crystal size is obtained substantially without lactose seed crystals.
16. The dairy-based comestible of any one of claims 10 to 15, further comprising about 20 to about 65 percent moisture.
17. A method of forming a dairy-based food product to maximize the amount of lactose in moisture phase and minimize the size of lactose crystals, the method comprising: blending a liquid and a fat and heating to about 100°F to melt the fat to form a liquid fat blend one or more dairy protein ning components to the liquid fat mixture to form a protein containing fat mixture; blend a soluble fiber into the protein containing fat mixture to form a dairy blend such that the dairy blend has about 14 to about 22 percent lactose, about 10 to about 65 percent moisture, and a e-in-moisture phase of about 30 to about 50 percent calculated as the weight percent lactose divided by the sum of the weight percent e plus the weight percent moisture; and the maximum temperature exposure of the dairy protein containing components are n about 130°F and 155°F effective such that any lactose crystals within a moisture phase average about 100 microns or less to provide a smooth texture to the dairy-based comestible.
18. The method of claim 17, wherein the lactose-in-moisture phase between about 10 and about 65 t moisture is greater than 0.0117 (weight % re)2 - 1.3207 (weight % moisture) + 51.474 and the lactose crystal size is about 100 s or less.
19. The method of claim 17 or claim 18, wherein the dairy protein component is selected from the group consisting of an aqueous dairy protein source, a dry dairy protein source, and mixtures thereof.
20. The method of claim 19, wherein the aqueous dairy source is selected from cheese, cream, milk, yogurt, cultured dairy ts, and mixtures thereof and the dry dairy protein source is selected from non-fat dry milk, milk powders, milk n concentrate, whey protein concentrate, cultured powders, and mixtures thereof.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/250,876 | 2011-09-30 | ||
US13/250,876 US9232807B2 (en) | 2011-09-30 | 2011-09-30 | Dairy-based foods having high levels of lactose |
Publications (2)
Publication Number | Publication Date |
---|---|
NZ602652A NZ602652A (en) | 2013-07-26 |
NZ602652B true NZ602652B (en) | 2013-10-30 |
Family
ID=
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