CN107518436B - A kind of DHA grease microscapsule powder and preparation method thereof containing polypeptide - Google Patents

A kind of DHA grease microscapsule powder and preparation method thereof containing polypeptide Download PDF

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Publication number
CN107518436B
CN107518436B CN201710758771.0A CN201710758771A CN107518436B CN 107518436 B CN107518436 B CN 107518436B CN 201710758771 A CN201710758771 A CN 201710758771A CN 107518436 B CN107518436 B CN 107518436B
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protein
polypeptide
dha
minutes
microscapsule powder
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CN107518436A (en
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刘坚
钱凯
程高翔
姜礼灿
梅天勇
阮长明
王力
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HUBEI XINHE BIOTECHNOLOGY Co Ltd
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HUBEI XINHE BIOTECHNOLOGY Co Ltd
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    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23PSHAPING OR WORKING OF FOODSTUFFS, NOT FULLY COVERED BY A SINGLE OTHER SUBCLASS
    • A23P10/00Shaping or working of foodstuffs characterised by the products
    • A23P10/30Encapsulation of particles, e.g. foodstuff additives
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23CDAIRY PRODUCTS, e.g. MILK, BUTTER OR CHEESE; MILK OR CHEESE SUBSTITUTES; MAKING THEREOF
    • A23C9/00Milk preparations; Milk powder or milk powder preparations
    • A23C9/152Milk preparations; Milk powder or milk powder preparations containing additives
    • A23C9/1526Amino acids; Peptides; Protein hydrolysates; Nucleic acids; Derivatives thereof
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23JPROTEIN COMPOSITIONS FOR FOODSTUFFS; WORKING-UP PROTEINS FOR FOODSTUFFS; PHOSPHATIDE COMPOSITIONS FOR FOODSTUFFS
    • A23J3/00Working-up of proteins for foodstuffs
    • A23J3/30Working-up of proteins for foodstuffs by hydrolysis
    • A23J3/32Working-up of proteins for foodstuffs by hydrolysis using chemical agents
    • A23J3/34Working-up of proteins for foodstuffs by hydrolysis using chemical agents using enzymes
    • A23J3/341Working-up of proteins for foodstuffs by hydrolysis using chemical agents using enzymes of animal proteins
    • A23J3/343Working-up of proteins for foodstuffs by hydrolysis using chemical agents using enzymes of animal proteins of dairy proteins
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23JPROTEIN COMPOSITIONS FOR FOODSTUFFS; WORKING-UP PROTEINS FOR FOODSTUFFS; PHOSPHATIDE COMPOSITIONS FOR FOODSTUFFS
    • A23J3/00Working-up of proteins for foodstuffs
    • A23J3/30Working-up of proteins for foodstuffs by hydrolysis
    • A23J3/32Working-up of proteins for foodstuffs by hydrolysis using chemical agents
    • A23J3/34Working-up of proteins for foodstuffs by hydrolysis using chemical agents using enzymes
    • A23J3/346Working-up of proteins for foodstuffs by hydrolysis using chemical agents using enzymes of vegetable proteins
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23LFOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
    • A23L2/00Non-alcoholic beverages; Dry compositions or concentrates therefor; Their preparation
    • A23L2/385Concentrates of non-alcoholic beverages
    • A23L2/39Dry compositions
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23LFOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
    • A23L2/00Non-alcoholic beverages; Dry compositions or concentrates therefor; Their preparation
    • A23L2/52Adding ingredients
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23LFOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
    • A23L33/00Modifying nutritive qualities of foods; Dietetic products; Preparation or treatment thereof
    • A23L33/10Modifying nutritive qualities of foods; Dietetic products; Preparation or treatment thereof using additives
    • A23L33/115Fatty acids or derivatives thereof; Fats or oils
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23LFOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
    • A23L33/00Modifying nutritive qualities of foods; Dietetic products; Preparation or treatment thereof
    • A23L33/10Modifying nutritive qualities of foods; Dietetic products; Preparation or treatment thereof using additives
    • A23L33/115Fatty acids or derivatives thereof; Fats or oils
    • A23L33/12Fatty acids or derivatives thereof
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23LFOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
    • A23L33/00Modifying nutritive qualities of foods; Dietetic products; Preparation or treatment thereof
    • A23L33/10Modifying nutritive qualities of foods; Dietetic products; Preparation or treatment thereof using additives
    • A23L33/17Amino acids, peptides or proteins
    • A23L33/18Peptides; Protein hydrolysates
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23LFOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
    • A23L33/00Modifying nutritive qualities of foods; Dietetic products; Preparation or treatment thereof
    • A23L33/10Modifying nutritive qualities of foods; Dietetic products; Preparation or treatment thereof using additives
    • A23L33/17Amino acids, peptides or proteins
    • A23L33/185Vegetable proteins
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23LFOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
    • A23L33/00Modifying nutritive qualities of foods; Dietetic products; Preparation or treatment thereof
    • A23L33/10Modifying nutritive qualities of foods; Dietetic products; Preparation or treatment thereof using additives
    • A23L33/17Amino acids, peptides or proteins
    • A23L33/19Dairy proteins
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23VINDEXING SCHEME RELATING TO FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES AND LACTIC OR PROPIONIC ACID BACTERIA USED IN FOODSTUFFS OR FOOD PREPARATION
    • A23V2002/00Food compositions, function of food ingredients or processes for food or foodstuffs

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Abstract

The present invention provides a kind of DHA grease microscapsule powder and preparation method thereof containing polypeptide.The microscapsule powder includes each component of following weight percentage: polypeptide 20.3-41.2%, protein 8.8-29.7%, carbohydrate 8.8-28.8%, DHA algal oil 20-40%, emulsifier 1%, antioxidant 0.2%.The preparation method is that obtaining the mixing wall material of albumen and polypeptide by moderate control protein hydrolysis degree, then the emulsification of wall material, core material, emulsifier and antioxidant is mixed, is high-pressure homogeneous, be finally spray-dried to obtain the final product.Polypeptide is rich in DHA microscapsule powder wall material prepared by the present invention, it is easier to the digestion and absorption of human body, it can be applied not only in the formula such as ordinary powdered milk, rice flour, biscuit, milk beverage, it can also be applied in protein hydrolysate formula, it more can directly take after mixing it with water as solid beverage, particularly suitable children and mid-aged population are edible.

Description

A kind of DHA grease microscapsule powder and preparation method thereof containing polypeptide
Technical field
The present invention relates to a kind of DHA grease microscapsule powder and preparation method thereof containing polypeptide, belongs to food processing Technical field.
Background technique
Polyunsaturated fatty acid refers to containing two or more double bonds, and carbon chain lengths are the straight of 18-22 carbon atom Chain fatty acid.According to the position of first double-linked carbon in methyl end, polyunsaturated fatty acid can be divided into ω -3 and ω -6 series Polyunsaturated fatty acid.ω -3: alpha-linolenic acid (ALA), eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA);ω- 6: linoleic acid (LA), gamma-Linolenic acid (GLA) and arachidonic acid (ARA).
Docosahexaenoic acid (DHA) belongs to a kind of important polyunsaturated fatty acid of ω -3 series, is brain and view The important composition ingredient of nethike embrane, is commonly called as " docosapentaenoic acid ", and can maintain and promote nerve growth.DHA is in human brain cortex Middle content is up to 20%, proportion about 50% in eye retina, most important to tire infant intelligence and visual acuity.Through Cross the scientific validation of many years, it is determined that effect of DHA in terms of brain tonic and intelligence development, softening blood vessel, anti inflammatory immunity, inhibition, Therefore, in the diet of people, a certain amount of DHA is rationally added into diet and has been subjected to widely paying close attention to and paying attention to, Thus nutritive value that DHA has and commercial significance are increasingly significant.
DHA is applied in baby milk powder primarily as new nutrition fortifier in microcapsule embedded mode at present. Microcapsules technology be it is a kind of solid or liquid are embedded with filmogen, thus protect core material from adverse environmental factors such as Temperature, humidity, oxygen etc. influence, and to improve the stability and shelf life of encapsulation object, extend a kind of control of encapsulation object application range Release technology.Unsaturated fatty acid is coated using microcapsules technology, to improve the stability of grease, makes its nutritive value It maximizes the retention, has broad application prospects with flavor.
There are two types of the existing main wall materials of DHA microscapsule powder, and one kind is protein, and another kind is polysaccharide, such as patent public affairs Cloth number is that CN102228257A algae oil DHA microcapsules and preparation method thereof, Patent publication No CN104906071A are with DHA grease A kind of microcapsules containing sialic acid and DHA of the production technology of waste DHA microcapsules, patent authorization number CN104041827B And preparation method thereof, Patent publication No CN104621570A high stability algae oil DHA microscapsule powder and preparation method thereof etc., Wall material is modified starch and Arabic gum;Such as a kind of anti-acid microalgae DHA grease microcapsules of patent authorization number CN104432059B A kind of DHA microcapsules of powder, patent authorization number CN101884415B and its preparation process, wall material are mainly protein;Also Be to be mixed as wall material, such as a kind of high fuel load of patent authorization number CN103549442B using protein and carbohydrate The preparation process of DHA algal oil microcapsule powder and its preparation process, Patent publication No CN101878903A new DHA microcapsules.This It can be added in normal milk powder or rice flour using protein or polysaccharide as the DHA microcapsules of wall material a bit, for digestion and absorption function Normal crowd is edible, but the infant, old that, digestion and absorption function unsound crowd such as albumen poor for constitution does not tolerate Year people, major operation patient etc., normal milk powder or rice flour are simultaneously not suitable for, and at this moment the milk powder of protein hydrolysate formula is exactly optimal choosing It selects, and the DHA microscapsule powder of traditional wall material cannot be applied to well in protein hydrolysate formula milk.
In order to meet the needs of protein hydrolysate formula milk market, the present invention is made by carrying out appropriate enzymatic hydrolysis to protein A kind of its mixture for becoming polypeptide and albumen, then be used to embed DHA grease, to allow to be applied to protein hydrolysate In formula milk;Product of the present invention can also eat for children, mid-aged population, widen directly as solid beverage simultaneously The application range of DHA microscapsule powder.
Summary of the invention
In view of the deficiencies of the prior art, the present invention provides a kind of DHA grease microcapsule powder powder formulation containing polypeptide And preparation method thereof.The present invention is using protein and polypeptide as microcapsule wall material, using DHA algal oil as core material, then adds certain The emulsifier and antioxidant of amount are made by special process process.
The purpose of the present invention is what is be achieved through the following technical solutions:
In a first aspect, the present invention provides a kind of DHA grease microscapsule powder containing polypeptide, including following quality hundred Divide each component of content:
The too high levels of the polypeptide can then reduce embedding effect.
Preferably, the protein is milk albumin, in sheep lactalbumin, soybean protein, wheat gluten, pea protein Any one or a few.
Preferably, the polypeptide is that protein is made by protease hydrolytic;The protein be milk albumin, Sheep lactalbumin, soybean protein, wheat gluten, any one or a few in pea protein;The protease be trypsase, One or more of pepsin, papain, bromelain.
Preferably, when the protein is milk albumin and/or sheep lactalbumin, with trypsase and papain It is combined hydrolysis;When the protein is at least one of soybean protein, wheat gluten, pea protein, pepsin is used Hydrolysis is combined with bromelain.
Preferably, the carbohydrate is lactose, maltodextrin, maltose, sucrose, trehalose, one in glucose Kind or several mixtures.
Preferably, the emulsifier is one of monoglyceride, soybean lecithin, modified phospholipid, sucrose fatty ester or several The mixture of kind example;The antioxidant is one of tea polyphenols, ascorbyl palmitate, sodium ascorbate, vitamin E Or several mixture.
Second aspect, the preparation method of the present invention provides a kind of DHA grease microscapsule powder containing polypeptide, including Following steps:
A, protein is not exclusively digested, prepares the mixture of protein and polypeptide;
B, carbohydrate, emulsifier are added in the mixture of protein made from step A and polypeptide, are stirred Uniformly, and at 70~80 DEG C 20~30 minutes are kept the temperature, obtains water phase;
C, it adds antioxidants in DHA algal oil and stirs evenly, in the closed container of inflated with nitrogen, be added to 60~80 30~60 minutes are kept the temperature at DEG C, obtains oily phase;
D, under agitation, oil is mutually squeezed into water phase, is sheared 3~5 minutes with cutter, is synchronized and be cooled to 60 DEG C, Then it homogeneous 2~3 times under the conditions of pressure is 25~45MPa, then is spray-dried up to the DHA microscapsule powder.
Preferably, in step A, when the protein is milk albumin and/or sheep lactalbumin, specific preparation method is such as Under:
A1, protein is weighed, 2~4 times of distilled water is added to stir and is heated to 37 DEG C, dissolve albumen sufficiently;
Protease 1 is added in A2, the solution made from step A1, hydrolyzes 5~15 minutes, is then heated to 80 DEG C, heat preservation Enzyme deactivation in 20 minutes;
A3, by step A2, treated that solution is cooled to 55~60 DEG C, adds protease 2, hydrolyzes 25~30 minutes, so After be heated to 80 DEG C, keep the temperature enzyme deactivation in 20 minutes;Up to the mixture of the protein and polypeptide;
The protease 1 is trypsase or pepsin;Protease 2 is papain or bromelain.
Preferably, when the protein is milk albumin and/or sheep lactalbumin, protease 1 is trypsase, and enzyme adds Entering concentration is 4000~8000U/g;Protease 2 is papain, and it is 5000~10000U/g that concentration, which is added, in enzyme.
Preferably, when the protein is at least one of soybean protein, wheat gluten, pea protein, protease 1 is Pepsin, it is 2000~4000U/g that concentration, which is added, in enzyme;Protease 2 be bromelain, enzyme be added concentration be 4000~ 8000U/g。
Preferably, when the protein is at least one of soybean protein, wheat gluten, pea protein, in step A1, The pH value of solution need to be adjusted to 2.
The prior art is compared, the present invention have it is following the utility model has the advantages that
1, zymotechnic is applied in the microcapsule embedded technical field of DHA by the present invention for the first time.
2, polypeptide is rich in DHA microscapsule powder bar prepared by the present invention, it is easier to the digestion and absorption of human body, no It can be applied only in the formula such as ordinary powdered milk, rice flour, biscuit, milk beverage, can also be applied in protein hydrolysate formula, more may be used It is taken after mixing it with water with directly regarding solid beverage, has widened the application range of DHA, particularly suitable children and mid-aged population are edible.
3, the present invention is by controlled enzymatic hydrolysis degree, so that polypeptide content is 20.3-41.2%, protein content is 8.8-29.7%, to keep the microcapsule embedded effect of DHA more preferable, application is wider.
Specific embodiment
The present invention is described in detail combined with specific embodiments below.Following embodiment will be helpful to the technology of this field Personnel further understand the present invention, but the invention is not limited in any way.It should be pointed out that the ordinary skill of this field For personnel, without departing from the inventive concept of the premise, various modifications and improvements can be made.These belong to the present invention Protection scope.
Embodiment 1
(1) 5kg milk albumin is weighed, the distilled water of 10kg is added to stir and is heated to 37 DEG C, keeps lactalbumin sufficiently molten The trypsase of 20,000,000 units is added in solution, hydrolyzes 5 minutes, mixed liquor is heated to 80 DEG C later, keeps the temperature enzyme deactivation in 20 minutes; Fluid temperature is down to 60 DEG C again, the papain of 25,000,000 units is added, hydrolyzes 30 minutes, is later heated to mixed liquor 80 DEG C, keep the temperature enzyme deactivation in 20 minutes.
(2) weigh the lactose of 0.88kg, 0.1kg monoglyceride is added in (1), is stirred evenly and in 70 DEG C, keep the temperature 20 minutes, This is water phase.
(3) tea polyphenols for weighing 0.02kg, which are added in the DHA algal oil of 4kg, to stir evenly, in the closed container for rushing nitrogen, 60 DEG C are heated to, keeps the temperature 30 minutes, this is oily phase.
(4) oil is mutually squeezed into water phase under stirring conditions, is sheared 5 minutes with cutter, synchronizes and be cooled to 60 DEG C, it It afterwards homogeneous 3 times under the conditions of homogenization pressure is 45MP, is finally spray-dried and 8.6kgDHA microscapsule powder is made, through detecting albumen The gross mass that matter accounts for microscapsule powder total weight is 29.7%, and polypeptide (molecular weight≤10000) accounts for microscapsule powder gross weight The 20.3% of amount, surface oil content 0.1%, powder color are milky.62 DEG C of destructive testings, peroxide value after the 45th day 2.1meq/kg, powder color slightly turn yellow than before, are faint yellow.
Embodiment 2
(1) the sheep lactalbumin of 5kg is weighed, the distilled water of 20kg stirs and is heated to 37 DEG C, keeps lactalbumin sufficiently molten Solution is first added the trypsase of 40,000,000 units, 15 minutes, mixed liquor is heated to 80 DEG C later, keeps the temperature enzyme deactivation in 20 minutes;Again Fluid temperature is down to 60 DEG C, the papain of 50,000,000 units is added, hydrolyzes 30 minutes, mixed liquor is heated to 80 later DEG C, keep the temperature enzyme deactivation in 20 minutes.
(2) weigh the maltodextrin of 2.88kg, 0.1kg soybean lecithin is added in (1), stir evenly and in 80 DEG C, heat preservation 30 minutes, this was water phase.
(3) ascorbyl palmitate for weighing 0.02kg, which is added in the DHA algal oil of 2kg, to stir evenly, and is rushing nitrogen In closed container, 80 DEG C are heated to, keeps the temperature 60m minutes, this is oily phase.
(4) oil is mutually squeezed into water phase under stirring conditions, is sheared 3 minutes with cutter, synchronizes and be cooled to 60 DEG C, it Afterwards homogeneous 2 times under the conditions of homogenization pressure is 25MP, it is finally spray-dried the DHA microscapsule powder that 8.5kg is made, through detecting egg The gross mass that white matter accounts for microscapsule powder total weight is 9.9%, and polypeptide (molecular weight≤10000) accounts for microscapsule powder gross weight The 40.1% of amount, surface oil 0.56%, powder color are milky.62 DEG C of destructive testings, peroxide value after the 45th day 3.6meq/kg, powder color slightly turn yellow than before, are faint yellow.
Embodiment 3
(1) soybean protein for weighing 5kg adds the distilled water of 10kg to stir and is heated to 37 DEG C, and adjusting PH to 2 is added The pepsin of 10000000 units hydrolyzes 5 minutes, mixed liquor is heated to 80 DEG C later, keeps the temperature enzyme deactivation in 20 minutes;Again by liquid Temperature is down to 55 DEG C, and the bromelain of 20,000,000 units is added, and hydrolyzes 25 minutes, mixed liquor is heated to 80 DEG C later, protect Warm enzyme deactivation in 20 minutes.
(2) modified phospholipid of the maltose, 0.1kg that weigh 0.88kg is added in (1), is stirred evenly and in 70 DEG C, heat preservation 20 minutes, this was water phase.
(3) sodium ascorbate for weighing 0.02kg, which is added in the DHA algal oil of 4kg, to stir evenly, in the closed appearance for rushing nitrogen In device, 80 DEG C are heated to, keeps the temperature 60 minutes, this is oily phase.
(4) oil is mutually squeezed into water phase under stirring conditions, is sheared 5 minutes with cutter, synchronizes and be cooled to 60 DEG C, it Afterwards homogeneous 3 times under the conditions of homogenization pressure is 45MP, it is finally spray-dried the DHA microscapsule powder that 8.7kg is made, through detecting egg The gross mass that white matter accounts for microscapsule powder total weight is 28.8%, and it is total that polypeptide (molecular weight≤10000) accounts for microscapsule powder The 21.2% of weight, surface oil 0.12%, powder color are milky.62 DEG C of destructive testings, peroxide value after the 45th day 2.6meq/kg, powder color slightly turn yellow than before, are faint yellow.
Embodiment 4
(1) wheat gluten for weighing 5kg adds the distilled water of 20kg to stir and is heated to 37 DEG C, and adjusting PH to 2 is added The pepsin of 20000000 units hydrolyzes 10 minutes, mixed liquor is heated to 80 DEG C later, keeps the temperature enzyme deactivation in 20 minutes.Again by liquid Temperature is down to 55 DEG C, and the bromelain of 40,000,000 units is added, and hydrolyzes 25 minutes, mixed liquor is heated to 80 DEG C later, Keep the temperature enzyme deactivation in 20 minutes.
(2) sucrose fatty ester of the sucrose, 0.1kg that weigh 2.88kg is added in (1), is stirred evenly and in 80 DEG C, is protected Temperature 30 minutes, this is water phase.
(3) vitamin E for weighing 0.02kg, which is added in the DHA algal oil of 2kg, to stir evenly, in the closed container for rushing nitrogen In, 70 DEG C are heated to, keeps the temperature 45 minutes, this is oily phase.
(4) oil is mutually squeezed into water phase under stirring conditions, is sheared 3 minutes with cutter, synchronizes and be cooled to 60 DEG C, it Afterwards homogeneous 2 times under the conditions of homogenization pressure is 30MP, it is finally spray-dried the DHA microscapsule powder that 8.2kg is made, through detecting egg The gross mass that white matter accounts for microscapsule powder total weight is 8.8%, and polypeptide (molecular weight≤10000) accounts for microscapsule powder gross weight The 41.2% of amount, surface oil 0.64%, powder color are milky.62 DEG C of destructive testings, peroxide value after the 45th day 4.2meq/kg, powder color slightly turn yellow than before, are faint yellow.
Embodiment 5
(1) pea protein for weighing 5kg adds the distilled water of 15kg to stir and is heated to 37 DEG C, and adjusting PH to 2 is added 1500 The pepsin of ten thousand units hydrolyzes 8 minutes, mixed liquor is heated to 80 DEG C later, keeps the temperature enzyme deactivation in 20 minutes.Again by fluid temperature 55 DEG C are down to, the bromelain of 30,000,000 units is added, hydrolyzes 25 minutes, mixed liquor is heated to 80 DEG C later, heat preservation 20 Minute enzyme deactivation.
(2) soybean lecithin of the trehalose, 0.1kg that weigh 1.88kg stirs evenly and in (1) in 75 DEG C, heat preservation 25 Minute, this is water phase.
(3) tea polyphenols for weighing 0.02kg, which are added in the DHA algal oil of 3kg, to stir evenly, in the closed container for rushing nitrogen, 70 DEG C are heated to, keeps the temperature 45 minutes, this is oily phase.
(4) oil is mutually squeezed into water phase under stirring conditions, is sheared 4 minutes with cutter, synchronizes and be cooled to 60 DEG C, it Afterwards homogeneous 3 times under the conditions of homogenization pressure is 30MP, it is finally spray-dried the DHA microscapsule powder that 8.9kg is made, through detecting egg The gross mass that white matter accounts for microscapsule powder total weight is 17.5%, and it is total that polypeptide (molecular weight≤10000) accounts for microscapsule powder The 32.5% of weight, surface oil 0.25%, powder color are milky.62 DEG C of destructive testings, peroxide value after the 45th day 3.1meq/kg, powder color slightly turn yellow than before, are faint yellow.
Comparative example 1
The preparation method of this comparative example and embodiment 1 is essentially identical, the difference is that only: in step (1), weighing 5kg Milk albumin adds the distilled water of 10kg to stir and is heated to 37 DEG C, dissolves lactalbumin sufficiently, and 20,000,000 units are added Trypsase hydrolyzes 2 minutes, mixed liquor is heated to 80 DEG C later, keeps the temperature enzyme deactivation in 20 minutes;Fluid temperature is down to 60 again DEG C, the papain of 25,000,000 units is added, hydrolyzes 30 minutes, mixed liquor is heated to 80 DEG C later, heat preservation is gone out for 20 minutes Enzyme.
Thus obtained DHA microscapsule powder, which is detected protein and accounts for the gross mass of microscapsule powder total weight, is 39.4%, polypeptide (molecular weight≤10000) accounts for the 10.6% of microscapsule powder total weight, surface oil 0.2%, powder face Color is milky.62 DEG C of destructive testings, peroxide value 2.8meq/kg after the 45th day, powder color change very greatly than before, are Dark yellow analyzes reason, it may be possible to which polypeptide has color-protecting function under the high temperature conditions.
Comparative example 2
The preparation method of this comparative example and embodiment 1 is essentially identical, the difference is that only: in step (1), weighing 5kg Milk albumin adds the distilled water of 10kg to stir and is heated to 37 DEG C, dissolves lactalbumin sufficiently, and 50,000,000 units are added Trypsase hydrolyzes 15 minutes, mixed liquor is heated to 80 DEG C later, keeps the temperature enzyme deactivation in 20 minutes;Fluid temperature is down to 60 again DEG C, the papain of 25,000,000 units is added, hydrolyzes 30 minutes, mixed liquor is heated to 80 DEG C later, heat preservation is gone out for 20 minutes Enzyme.
The gross mass that thus obtained DHA microscapsule powder accounts for microscapsule powder total weight through detecting protein is 4.6%, Polypeptide (molecular weight≤10000) accounts for the 45.4% of microscapsule powder total weight, and surface oil is 8.4% (general surface oil height In 1%, that is, think no embedded), since surface oil is too high, do not do necessity of stability.
Microscapsule powder made from this comparative example embeds poor effect, very with microscope oil mirror microscopy discovery lipochondrion Greatly.
Comparative example 3
The preparation method of this comparative example and embodiment 1 is essentially identical, the difference is that only: in step (1), weighing 5kg Milk albumin adds the distilled water of 10kg to stir and is heated to 37 DEG C, dissolves lactalbumin sufficiently, and 20,000,000 units are added Trypsase hydrolyzes 5 minutes, mixed liquor is heated to 80 DEG C later, keeps the temperature enzyme deactivation in 20 minutes;Fluid temperature is down to 60 again DEG C, the bromelain of 25,000,000 units is added, hydrolyzes 30 minutes, mixed liquor is heated to 80 DEG C later, heat preservation is gone out for 20 minutes Enzyme.
The gross mass that thus obtained DHA microscapsule powder accounts for microscapsule powder total weight through detecting protein is 2.8%, Polypeptide (molecular weight≤10000) accounts for the 47.2% of microscapsule powder total weight, surface oil 18.2%, too due to surface oil Height does not do necessity of stability.
There are many concrete application approach of the present invention, the above is only a preferred embodiment of the present invention.More than it should be pointed out that Embodiment is merely to illustrate the present invention, and the protection scope being not intended to restrict the invention.For the common skill of the art For art personnel, without departing from the principle of the present invention, several improvement can also be made, these improvement also should be regarded as this hair Bright protection scope.

Claims (7)

1. a kind of DHA grease microscapsule powder containing polypeptide, which is characterized in that each group including following mass percentage Point:
The polypeptide and protein are to be obtained by protein by the endless all-hydrolytic of protease;The protein is bovine whey When albumen and/or sheep lactalbumin, hydrolysis is combined with trypsase and papain;The protein is soybean egg When at least one of white, wheat gluten, pea protein, hydrolysis is combined with pepsin and bromelain.
2. the DHA grease microscapsule powder according to claim 1 containing polypeptide, which is characterized in that the carbon aquation Conjunction object is the mixture of one or more of lactose, maltodextrin, maltose, sucrose, trehalose, glucose.
3. the DHA grease microscapsule powder according to claim 1 containing polypeptide, which is characterized in that the emulsifier For the mixture of one or more of monoglyceride, soybean lecithin, modified phospholipid, sucrose fatty ester;The antioxidant is The mixture of one or more of tea polyphenols, ascorbyl palmitate, sodium ascorbate, vitamin E.
4. a kind of preparation method of the DHA grease microscapsule powder according to claim 1 containing polypeptide, feature exist In, comprising the following steps:
A, protein is not exclusively digested, prepares the mixture of protein and polypeptide;
B, carbohydrate, emulsifier are added in the mixture of protein made from step A and polypeptide, stirring is equal It is even, and 20~30 minutes are kept the temperature at 70~80 DEG C, obtain water phase;
C, it adds antioxidants in DHA algal oil and stirs evenly, in the closed container of inflated with nitrogen, be added at 60~80 DEG C Heat preservation 30~60 minutes, obtains oily phase;
D, under agitation, oil is mutually squeezed into water phase, is sheared 3~5 minutes with cutter, is synchronized and be cooled to 60 DEG C, then Homogeneous 2~3 times under the conditions of pressure is 25~45MPa, then it is spray-dried up to the DHA grease microscapsule powder.
5. the preparation method of the DHA grease microscapsule powder according to claim 4 containing polypeptide, which is characterized in that In step A, when the protein is milk albumin and/or sheep lactalbumin, it is specific the preparation method is as follows:
A1, protein is weighed, 2~4 times of distilled water is added to stir and is heated to 37 DEG C, dissolve albumen sufficiently;
Protease 1 is added in A2, the solution made from step A1, hydrolyzes 5~15 minutes, is then heated to 80 DEG C, keeps the temperature 20 points Clock enzyme deactivation;
A3, by step A2, treated that solution is cooled to 55~60 DEG C, adds protease 2, hydrolyzes 25~30 minutes, then plus Heat keeps the temperature enzyme deactivation in 20 minutes to 80 DEG C;Up to the mixture of the protein and polypeptide;
The protease 1 is trypsase or pepsin;Protease 2 is papain or bromelain.
6. the preparation method of the DHA grease microscapsule powder according to claim 5 containing polypeptide, which is characterized in that The protein be milk albumin and/or sheep lactalbumin when, protease 1 be trypsase, enzyme be added concentration be 4000~ 8000U/g;Protease 2 is papain, and it is 5000~10000U/g that concentration, which is added, in enzyme.
7. the preparation method of the DHA grease microscapsule powder according to claim 5 containing polypeptide, which is characterized in that When the protein is at least one of soybean protein, wheat gluten, pea protein, protease 1 is pepsin, and enzyme is added Concentration is 2000~4000U/g;Protease 2 is bromelain, and it is 4000~8000U/g that concentration, which is added, in enzyme.
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CN108753457A (en) * 2018-08-03 2018-11-06 梁云 The method for improving microbial grease stability and safety
CN109123660B (en) * 2018-09-17 2021-07-23 山西欧莱特农业科技有限公司 Walnut whey protein composite powder for pregnant woman nutriments and preparation method thereof
CN109198045A (en) * 2018-10-09 2019-01-15 嘉必优生物技术(武汉)股份有限公司 A kind of grease microcapsule and preparation method thereof
CN109673850A (en) * 2019-01-31 2019-04-26 石家庄石牧动物药业有限公司 A kind of Multifunctional powder grease and preparation method thereof
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CN110692893A (en) * 2019-11-12 2020-01-17 南通厚元生物科技有限公司 Preparation method of solid beverage containing phosphatidylserine and omega-3 fatty acid
CN112450390B (en) * 2020-10-30 2024-04-09 浙江波拉波拉食品股份有限公司 Fish sausage containing DHA microcapsule and preparation method thereof
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CN117568176B (en) * 2023-10-08 2024-06-07 山东悦翔生物有限公司 DHA extraction process based on microalgae extraction

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