CN106833878A - A kind of method for squeezing joint aqueous enzymatic extraction linseed oil of colding pressing - Google Patents
A kind of method for squeezing joint aqueous enzymatic extraction linseed oil of colding pressing Download PDFInfo
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- CN106833878A CN106833878A CN201710073511.XA CN201710073511A CN106833878A CN 106833878 A CN106833878 A CN 106833878A CN 201710073511 A CN201710073511 A CN 201710073511A CN 106833878 A CN106833878 A CN 106833878A
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- linseed
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- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11B—PRODUCING, e.g. BY PRESSING RAW MATERIALS OR BY EXTRACTION FROM WASTE MATERIALS, REFINING OR PRESERVING FATS, FATTY SUBSTANCES, e.g. LANOLIN, FATTY OILS OR WAXES; ESSENTIAL OILS; PERFUMES
- C11B1/00—Production of fats or fatty oils from raw materials
- C11B1/06—Production of fats or fatty oils from raw materials by pressing
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11B—PRODUCING, e.g. BY PRESSING RAW MATERIALS OR BY EXTRACTION FROM WASTE MATERIALS, REFINING OR PRESERVING FATS, FATTY SUBSTANCES, e.g. LANOLIN, FATTY OILS OR WAXES; ESSENTIAL OILS; PERFUMES
- C11B1/00—Production of fats or fatty oils from raw materials
Abstract
The invention provides a kind of method colded pressing and squeeze joint aqueous enzymatic extraction linseed oil, belong to vegetable oil extractive technique field.Concretely comprise the following steps:Cleaning removal of impurities is carried out to linseed, flax seed peel and linseed kernel is separated;Linseed kernel is crushed, the linseed kernel powder of crushing is carried out into cold pressing at 40~80 DEG C, obtain squeezing linseed oil and grouts;Grouts are further carried out into second extraction with aqueous enzymatic method, cold pressing and aqueous enzymatic method are extracted twice to be carried out under cryogenic, unsaturated fatty acid content in flaxseed can effectively be preserved and the extraction yield of linseed oil is greatly improved, the present invention can overcome the low problem of conventional press method recovery rate and save the problem of aqueous enzymatic method enzyme high cost, be the improvement that linseed oil technique is extracted to conventional press method.
Description
Technical field
The invention belongs to vegetable oil extractive technique field, and in particular to one kind is colded pressing and squeezes joint aqueous enzymatic extraction linseed oil
Method.
Background technology
, also known as linseed oil or siritch, linseed oil is mainly by leukotrienes, linoleic acid, oleic acid, stearic acid, palm fibre for linseed oil
The Fatty acid compositions such as palmitic acid acid, wherein linolenic acid content are up to more than 55%, therefore linseed oil is that linolenic acid content is most in the world
One of vegetable oil high.Leukotrienes in linseed oil belongs to alpha-linolenic acid, and alpha-linolenic acid is a kind of human body required fat daily
Acid, is a kind of life core substance, is to constitute human body brain cell and histiocytic important component, and mankind itself can not synthesize
Leukotrienes, it is necessary to obtained from food or nutriment.Linseed oil has very strong growth intelligence, protection eyesight, reduces simultaneously
The effects such as blood fat, cholesterol, anti-aging, antiallergy, the cancer that suppresses occur and shift.
In order to ensure that the maximum of nutritional ingredient retains, a big characteristic of linseed oil is exactly low temperature process, and existing extraction is sub-
The method of flaxseed oil is main based on the cold milling process of physics, i.e., by physical pressure that grease is direct from oil plant under field conditions (factors)
Separate, although it can effectively preserve nutritional ingredient in original linseed, its oil yield is relatively low, how to retain sub- in maximum
On the premise of numb seed active ingredient, the oil yield for improving linseed is the major issue that current linseed puies forward oily process.
The content of the invention
The technical problems to be solved by the invention are for above-mentioned the deficiencies in the prior art, there is provided one kind is colded pressing and squeezes joint
The method of aqueous enzymatic extraction linseed oil, the method has oil yield high and unsaturated fatty acid content is high etc. excellent in linseed oil
Point, new effective way is provided for linseed extracts linseed oil production.
Specifically, the method for squeezing joint aqueous enzymatic extraction linseed oil of colding pressing that the present invention is provided, specifically according to following step
It is rapid to implement:
S1:Cleaning removal of impurities is carried out to linseed, is dried at 40~48 DEG C after cleaning removal of impurities, then shelled using machinery
Skin equipment is separated to flax seed peel and linseed kernel;
S2:Isolated linseed kernel is crushed, powder particle diameter is 30~80 mesh, obtains linseed kernel powder;
S3:The linseed kernel powder that will be obtained is wrapped up with filter cloth, be put into oil squeezer carried out at 40~80 DEG C it is low
Temperature and pressure are squeezed, and obtain squeezing linseed oil and grouts;
S4:The grouts are carried out to crush, powder particle diameter obtains powdery grouts for 40~80 mesh;
S5:It is 1 according to mass ratio by powdery grouts and water:6~8 ratio is mixed, and regulation pH value is 7.8~8.0,
The mixture for obtaining carries out second extraction using aqueous enzymatic method, alkali protease is added first and is digested, and alkali protease adds
Dosage is 0.8~1.2%, and hydrolysis temperature is 52~55 DEG C, and enzymolysis time is 2h, and it is 1 then to add by mass ratio:1.5 β-
The mixed enzyme of dextranase and complex cellulase composition carries out double enzymolysis, and the addition of mixed enzyme is 0.9~1.2%, enzymolysis
Temperature is 50~52 DEG C, and enzymolysis time is 3h, obtains enzymolysis liquid;
S6:Potassium citrate is added in the enzymolysis liquid for obtaining, potassium citrate is according to every liter of amount of 0.05~0.1g of enzymolysis liquid
Addition, is heated to 42~45 DEG C, is incubated 5~10min;
S7:Enzymolysis liquid after S6 treatment is filtered, and isolates solid and liquid, and the liquid is the linseed oil for extracting
With the mixture of hydrolyzate, the linseed oil and hydrolyzate of extraction are carried out into multi_layer extraction, then carry out with the rotating speed of 2000r/min
Centrifugation, and merge with the expressed oil of S3 and obtain linseed oil.
Preferably, the addition of above-mentioned mixed enzyme is 1.0%.
The present invention has advantages below compared with prior art:
(1) traditional cold milling process has oil productivity low, and the aqueous enzymatic method provided by the present invention and cold milling process are combined,
While obtaining nontoxic or low toxicity product, there is no the linseed oil for extracting in the flaxseed that remnants can will be participated in cold press grouts
Extracted to greatest extent, even micro, it is also possible to be fully extracted.With oil yield is high and flaxseed in unsaturated lipid
The advantages of fat acid content recovery rate is high, new effective way is provided to extract linseed oil production from flaxseed.
(2) it is 7.8~8.0 with the pH value of aqueous mixtures to control powdery grouts, coordinates secondary enzymolysis, promotes the thin of linseed
The destruction of born of the same parents' structure and grease compounded body, creates favourable fuel-displaced condition, and cause that the nutriment in flaxseed grouts is able to
Preferably preserve, particularly alpha-linolenic acid will not be destroyed substantially, and maintain cell cellulose skeleton then generate it is very big
The fracture of degree, also mitigates water enzyme and carries the emulsion occurred during oil.
(3) linseed oil obtained in the method that the present invention is provided, adds potassium citrate after secondary enzymolysis, not only acts as the enzyme that goes out
Effect, is also prevented effectively from the destruction of alpha-linolenic acid in long-term placement process so that nutriment is preserved well.It is obtained
Linseed oil quality better, bitter taste is light, and nutritive value is very high.
(4) it is low using the method low cost of present invention offer, energy consumption, it is a kind of low cost, the method for simple possible.
Specific embodiment
In order that those skilled in the art more fully understand that technical scheme can be practiced, with reference to specific
The invention will be further described for embodiment, but illustrated embodiment is not as a limitation of the invention.
Embodiment 1
A kind of method for squeezing joint aqueous enzymatic extraction linseed oil of colding pressing of the present embodiment, specifically implements according to following steps:
S1:Cleaning removal of impurities is carried out to linseed, is dried at 40~48 DEG C after cleaning removal of impurities, then shelled using machinery
Skin equipment is separated to flax seed peel and linseed kernel;
S2:Isolated linseed kernel is crushed, 35 mesh sieves are crossed after crushing, obtained linseed kernel powder;
S3:The linseed kernel powder that will be obtained is wrapped up with filter cloth, and be put into oil squeezer carries out low temperature pressure at 50 DEG C
Squeeze, obtain squeezing linseed oil and grouts;
S4:The grouts are carried out to crush, powder particle diameter obtains powdery grouts for 40 mesh;
S5:It is 1 according to mass ratio by powdery grouts and water:6 ratio is mixed, and regulation pH value is 7.8, and what is obtained is mixed
Compound carries out second extraction using aqueous enzymatic method, alkali protease is added first and is digested, and the addition of alkali protease is
0.8%, hydrolysis temperature is 52 DEG C, and enzymolysis time is 2h, and it is 1 then to add by mass ratio:1.5 1,4 beta-glucanase and compound fibre
The mixed enzyme of the plain enzyme composition of dimension carries out double enzymolysis, and the addition of mixed enzyme is 0.9%, and hydrolysis temperature is 50 DEG C, and enzymolysis time is
3h, obtains enzymolysis liquid;
S6:Potassium citrate, potassium citrate is added to be added according to every liter of amount of enzymolysis liquid 0.08g in the enzymolysis liquid for obtaining,
45 DEG C are heated to, 5min is incubated;
S7:Enzymolysis liquid after S6 treatment is filtered, solid and liquid is isolated, the liquid is the flaxseed extracted
The mixture of oil and hydrolyzate, carries out multi_layer extraction, then enter with the rotating speed of 2000r/min by the linseed oil and hydrolyzate of extraction
Row centrifugation, and merge with the expressed oil of S3 and obtain linseed oil.
The measure of total oil mass is carried out by using soxhlet extraction methods, linseed oil recovery rate calculating (trip is carried out using formula
From oil extract rate (%)=total oil mass × 100% of total free oil/raw material), linseed oil is carried under the conditions of calculating the present embodiment
It is 95% to take rate.
Embodiment 2
A kind of method for squeezing joint aqueous enzymatic extraction linseed oil of colding pressing of the present embodiment, specifically implements according to following steps:
S1:Cleaning removal of impurities is carried out to linseed, is dried at 40~48 DEG C after cleaning removal of impurities, then shelled using machinery
Skin equipment is separated to flax seed peel and linseed kernel;
S2:Isolated linseed kernel is crushed, 45 mesh sieves are crossed after crushing, obtained linseed kernel powder;
S3:The linseed kernel powder that will be obtained is wrapped up with filter cloth, and be put into oil squeezer carries out low temperature pressure at 45 DEG C
Squeeze, obtain squeezing linseed oil and grouts;
S4:The grouts are carried out to crush, powder particle diameter obtains powdery grouts for 45 mesh;
S5:It is 1 according to mass ratio by powdery grouts and water:7 ratio is mixed, and regulation pH value is 8.0, and what is obtained is mixed
Compound carries out second extraction using aqueous enzymatic method, alkali protease is added first and is digested, and the addition of alkali protease is
0.9%, hydrolysis temperature is 53 DEG C, and enzymolysis time is 2h, and it is 1 then to add by mass ratio:1.5 1,4 beta-glucanase and compound fibre
The mixed enzyme of the plain enzyme composition of dimension carries out double enzymolysis, and the addition of mixed enzyme is 1.0%, and hydrolysis temperature is 52 DEG C, and enzymolysis time is
3h, obtains enzymolysis liquid;
S6:Potassium citrate, potassium citrate is added to be added according to every liter of amount of enzymolysis liquid 0.09g in the enzymolysis liquid for obtaining,
42 DEG C are heated to, 6min is incubated;
S7:Enzymolysis liquid after S6 treatment is filtered, solid and liquid is isolated, the liquid is the flaxseed extracted
The mixture of oil and hydrolyzate, carries out multi_layer extraction, then enter with the rotating speed of 2000r/min by the linseed oil and hydrolyzate of extraction
Row centrifugation, and merge with the expressed oil of S3 and obtain linseed oil.
The measure of total oil mass is carried out by using soxhlet extraction methods, linseed oil recovery rate calculating (trip is carried out using formula
From oil extract rate (%)=total oil mass × 100% of total free oil/raw material), linseed oil is carried under the conditions of calculating the present embodiment
It is 95% to take rate.
Embodiment 3
A kind of method for squeezing joint aqueous enzymatic extraction linseed oil of colding pressing of the present embodiment, specifically implements according to following steps:
S1:Cleaning removal of impurities is carried out to linseed, is dried at 40~48 DEG C after cleaning removal of impurities, then shelled using machinery
Skin equipment is separated to flax seed peel and linseed kernel;
S2:Isolated linseed kernel is crushed, 55 mesh sieves are crossed after crushing, obtained linseed kernel powder;
S3:The linseed kernel powder that will be obtained is wrapped up with filter cloth, and be put into oil squeezer carries out low temperature pressure at 65 DEG C
Squeeze, obtain squeezing linseed oil and grouts;
S4:The grouts are carried out to crush, powder particle diameter obtains powdery grouts for 60 mesh;
S5:It is 1 according to mass ratio by powdery grouts and water:6 ratio is mixed, and regulation pH value is 8.0, and what is obtained is mixed
Compound carries out second extraction using aqueous enzymatic method, alkali protease is added first and is digested, and the addition of alkali protease is
1.0%, hydrolysis temperature is 52 DEG C, and enzymolysis time is 2h, and it is 1 then to add by mass ratio:1.5 1,4 beta-glucanase and compound fibre
The mixed enzyme of the plain enzyme composition of dimension carries out double enzymolysis, and the addition of mixed enzyme is 1.0%, and hydrolysis temperature is 52 DEG C, and enzymolysis time is
3h, obtains enzymolysis liquid;
S6:Potassium citrate, potassium citrate is added to be added according to every liter of amount of enzymolysis liquid 0.09g in the enzymolysis liquid for obtaining,
42 DEG C are heated to, 8min is incubated;
S7:Enzymolysis liquid after S6 treatment is filtered, solid and liquid is isolated, the liquid is the flaxseed extracted
The mixture of oil and hydrolyzate, carries out multi_layer extraction, then enter with the rotating speed of 2000r/min by the linseed oil and hydrolyzate of extraction
Row centrifugation, and merge with the expressed oil of S3 and obtain linseed oil.
The measure of total oil mass is carried out by using soxhlet extraction methods, linseed oil recovery rate calculating (trip is carried out using formula
From oil extract rate (%)=total oil mass × 100% of total free oil/raw material), linseed oil is carried under the conditions of calculating the present embodiment
It is 96% to take rate.
Embodiment 4
A kind of method for squeezing joint aqueous enzymatic extraction linseed oil of colding pressing of the present embodiment, specifically implements according to following steps:
S1:Cleaning removal of impurities is carried out to linseed, is dried at 40~48 DEG C after cleaning removal of impurities, then shelled using machinery
Skin equipment is separated to flax seed peel and linseed kernel;
S2:Isolated linseed kernel is crushed, 60 mesh sieves are crossed after crushing, obtained linseed kernel powder;
S3:The linseed kernel powder that will be obtained is wrapped up with filter cloth, and be put into oil squeezer carries out low temperature pressure at 50 DEG C
Squeeze, obtain squeezing linseed oil and grouts;
S4:The grouts are carried out to crush, powder particle diameter obtains powdery grouts for 60 mesh;
S5:It is 1 according to mass ratio by powdery grouts and water:8 ratio is mixed, and regulation pH value is 7.8, and what is obtained is mixed
Compound carries out second extraction using aqueous enzymatic method, alkali protease is added first and is digested, and the addition of alkali protease is
1.2%, hydrolysis temperature is 52 DEG C, and enzymolysis time is 2h, and it is 1 then to add by mass ratio:1.5 1,4 beta-glucanase and compound fibre
The mixed enzyme of the plain enzyme composition of dimension carries out double enzymolysis, and the addition of mixed enzyme is 1.2%, and hydrolysis temperature is 50 DEG C, and enzymolysis time is
3h, obtains enzymolysis liquid;
S6:Potassium citrate, potassium citrate is added to be added according to every liter of amount of enzymolysis liquid 0.06g in the enzymolysis liquid for obtaining,
45 DEG C are heated to, 10min is incubated;
S7:Enzymolysis liquid after S6 treatment is filtered, solid and liquid is isolated, the liquid is the flaxseed extracted
The mixture of oil and hydrolyzate, carries out multi_layer extraction, then enter with the rotating speed of 2000r/min by the linseed oil and hydrolyzate of extraction
Row centrifugation, and merge with the expressed oil of S3 and obtain linseed oil.
The measure of total oil mass is carried out by using soxhlet extraction methods, linseed oil recovery rate calculating (trip is carried out using formula
From oil extract rate (%)=total oil mass × 100% of total free oil/raw material), linseed oil is carried under the conditions of calculating the present embodiment
It is 96% to take rate.
Embodiment 5
A kind of method for squeezing joint aqueous enzymatic extraction linseed oil of colding pressing of the present embodiment, specifically implements according to following steps:
S1:Cleaning removal of impurities is carried out to linseed, is dried at 40~48 DEG C after cleaning removal of impurities, then shelled using machinery
Skin equipment is separated to flax seed peel and linseed kernel;
S2:Isolated linseed kernel is crushed, 70 mesh sieves are crossed after crushing, obtained linseed kernel powder;
S3:The linseed kernel powder that will be obtained is wrapped up with filter cloth, and be put into oil squeezer carries out low temperature pressure at 80 DEG C
Squeeze, obtain squeezing linseed oil and grouts;
S4:The grouts are carried out to crush, powder particle diameter obtains powdery grouts for 80 mesh;
S5:It is 1 according to mass ratio by powdery grouts and water:7 ratio is mixed, and regulation pH value is 8.0, and what is obtained is mixed
Compound carries out second extraction using aqueous enzymatic method, alkali protease is added first and is digested, and the addition of alkali protease is
1.0%, hydrolysis temperature is 52 DEG C, and enzymolysis time is 2h, and it is 1 then to add by mass ratio:1.5 1,4 beta-glucanase and compound fibre
The mixed enzyme of the plain enzyme composition of dimension carries out double enzymolysis, and the addition of mixed enzyme is 1.0%, and hydrolysis temperature is 52 DEG C, and enzymolysis time is
3h, obtains enzymolysis liquid;
S6:Potassium citrate, potassium citrate is added to be added according to every liter of amount of enzymolysis liquid 0.1g in the enzymolysis liquid for obtaining, plus
Heat is incubated 10min to 42 DEG C;
S7:Enzymolysis liquid after S6 treatment is filtered, solid and liquid is isolated, the liquid is the flaxseed extracted
The mixture of oil and hydrolyzate, carries out multi_layer extraction, then enter with the rotating speed of 2000r/min by the linseed oil and hydrolyzate of extraction
Row centrifugation, and merge with the expressed oil of S3 and obtain linseed oil.
The measure of total oil mass is carried out by using soxhlet extraction methods, linseed oil recovery rate calculating (trip is carried out using formula
From oil extract rate (%)=total oil mass × 100% of total free oil/raw material), linseed oil is carried under the conditions of calculating the present embodiment
It is 96% to take rate.
Embodiment 6
A kind of method for squeezing joint aqueous enzymatic extraction linseed oil of colding pressing of the present embodiment, specifically implements according to following steps:
S1:Cleaning removal of impurities is carried out to linseed, is dried at 40~48 DEG C after cleaning removal of impurities, then shelled using machinery
Skin equipment is separated to flax seed peel and linseed kernel;
S2:Isolated linseed kernel is crushed, 80 mesh sieves are crossed after crushing, obtained linseed kernel powder;
S3:The linseed kernel powder that will be obtained is wrapped up with filter cloth, and be put into oil squeezer carries out low temperature pressure at 60 DEG C
Squeeze, obtain squeezing linseed oil and grouts;
S4:The grouts are carried out to crush, powder particle diameter obtains powdery grouts for 60 mesh;
S5:It is 1 according to mass ratio by powdery grouts and water:8 ratio is mixed, and regulation pH value is 8.0, and what is obtained is mixed
Compound carries out second extraction using aqueous enzymatic method, alkali protease is added first and is digested, and the addition of alkali protease is
0.8%, hydrolysis temperature is 55 DEG C, and enzymolysis time is 2h, and it is 1 then to add by mass ratio:1.5 1,4 beta-glucanase and compound fibre
The mixed enzyme of the plain enzyme composition of dimension carries out double enzymolysis, and the addition of mixed enzyme is 1.0%, and hydrolysis temperature is 50 DEG C, and enzymolysis time is
3h, obtains enzymolysis liquid;
S6:Potassium citrate, potassium citrate is added to be added according to every liter of amount of enzymolysis liquid 0.08g in the enzymolysis liquid for obtaining,
45 DEG C are heated to, 5min is incubated;
S7:Enzymolysis liquid after S6 treatment is filtered, solid and liquid is isolated, the liquid is the flaxseed extracted
The mixture of oil and hydrolyzate, carries out multi_layer extraction, then enter with the rotating speed of 2000r/min by the linseed oil and hydrolyzate of extraction
Row centrifugation, and merge with the expressed oil of S3 and obtain linseed oil.
The measure of total oil mass is carried out by using soxhlet extraction methods, linseed oil recovery rate calculating (trip is carried out using formula
From oil extract rate (%)=total oil mass × 100% of total free oil/raw material), linseed oil is carried under the conditions of calculating the present embodiment
It is 97% to take rate.
Linseed oil prepared by embodiment 1-6 is detected, specific standards GB/T 8235-2008《Linseed oil》
Regulation is carried out, and color and luster is yellow 36, red 2.0, and moisture is 0.02%, and impurity is that 0.027% refrigeration test is clear, and solvent is residual
< 1.87mg/kg are stayed, smell, in good taste, mildly bitter flavor, each index meet the regulation of GB/T 8235-2008.
Embodiment described above is only the preferred embodiment lifted to absolutely prove the present invention, and its protection domain is not limited
In this.Equivalent substitute or conversion that those skilled in the art are made on the basis of the present invention, in protection of the invention
Within the scope of, protection scope of the present invention is defined by claims.
Claims (2)
1. it is a kind of cold pressing squeeze joint aqueous enzymatic extraction linseed oil method, it is characterised in that specifically according to following steps implementation:
S1:Cleaning removal of impurities is carried out to linseed, is dried at 40~48 DEG C after cleaning removal of impurities, then set using mechanical barking
It is standby that flax seed peel and linseed kernel are separated;
S2:Isolated linseed kernel is crushed, powder particle diameter is 30~80 mesh, obtains linseed kernel powder;
S3:The linseed kernel powder that will be obtained is wrapped up with filter cloth, and be put into oil squeezer carries out low temperature pressure at 40~80 DEG C
Squeeze, obtain squeezing linseed oil and grouts;
S4:The grouts are carried out to crush, powder particle diameter obtains powdery grouts for 40~80 mesh;
S5:It is 1 according to mass ratio by powdery grouts and water:6~8 ratio is mixed, and regulation pH value is 7.8~8.0, is obtained
Mixture second extraction is carried out using aqueous enzymatic method, first add alkali protease digested, the addition of alkali protease
It is 0.8~1.2%, hydrolysis temperature is 52~55 DEG C, and enzymolysis time is 2h, it is 1 then to add by mass ratio:Gather 1.5 β-Portugal
The mixed enzyme of carbohydrase and complex cellulase composition carries out double enzymolysis, and the addition of mixed enzyme is 0.9~1.2%, hydrolysis temperature
It it is 50~52 DEG C, enzymolysis time is 3h, obtains enzymolysis liquid;
S6:Potassium citrate, potassium citrate is added to be added according to every liter of amount of 0.05~0.1g of enzymolysis liquid in the enzymolysis liquid for obtaining,
42~45 DEG C are heated to, 5~10min is incubated;
S7:Enzymolysis liquid after S6 treatment is filtered, and isolates solid and liquid, and the liquid is the linseed oil and water for extracting
Solve the mixture of liquid, the linseed oil and hydrolyzate of extraction carried out into multi_layer extraction, then with the rotating speed of 2000r/min carry out from
The heart, and merge with the expressed oil of S3 and obtain linseed oil.
2. it is according to claim 1 cold pressing squeeze joint aqueous enzymatic extraction linseed oil method, it is characterised in that it is described mix
The addition of synthase is 1.0%.
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CN112877133A (en) * | 2021-01-05 | 2021-06-01 | 贵州乔盛生物科技有限公司 | Tea oil extraction method |
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CN108774579A (en) * | 2018-06-19 | 2018-11-09 | 师宗德瑞油脂有限公司 | It is a kind of using rapeseed dehulled as the cold pressing method for producing oil of raw material |
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