CN107518436A - A kind of DHA grease microscapsule powder containing polypeptide and preparation method thereof - Google Patents

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

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Publication number
CN107518436A
CN107518436A CN201710758771.0A CN201710758771A CN107518436A CN 107518436 A CN107518436 A CN 107518436A CN 201710758771 A CN201710758771 A CN 201710758771A CN 107518436 A CN107518436 A CN 107518436A
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protein
dha
polypeptide
minutes
protease
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CN107518436B (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

Abstract

The invention provides a kind of DHA grease microscapsule powder containing polypeptide and preparation method thereof.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%, emulsifying agent 1%, antioxidant 0.2%.The preparation method is by moderate control protein hydrolysis degree, obtains the mixing wall material of albumen and polypeptide, then the emulsification of wall material, core, emulsifying agent and antioxidant is mixed, be high-pressure homogeneous, is finally spray-dried and produces.Polypeptide is rich in DHA microscapsule powder wall materials prepared by the present invention, it is easier to digesting and assimilating for human body, it can be applied not only in the formula such as ordinary powdered milk, ground rice, biscuit, milk beverage, it can also be applied in protein hydrolysate formula, directly it can more be taken after mixing it with water as solid beverage, particularly suitable children and mid-aged population are eaten.

Description

A kind of DHA grease microscapsule powder containing polypeptide and preparation method thereof
Technical field
The present invention relates to a kind of DHA grease microscapsule powder containing polypeptide and preparation method thereof, belong to food processing Technical field.
Background technology
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 regards The important composition composition 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 After scientific validation for many years, it is determined that DHA in brain tonic and intelligence development, softening blood vessel, anti inflammatory immunity, the effect for suppressing cancer etc., Therefore, in the diet of people, a certain amount of DHA is rationally added into meals and has been subjected to extensive concern and has paid attention to, Thus nutritive value that DHA has is increasingly notable with commercial significance.
DHA is applied in baby milk powder primarily as new nutrition fortifier in a manner of microcapsule embedded at present. Microcapsules technology be it is a kind of solid or liquid are embedded with filmogen, so as to protect core from adverse environmental factors such as Temperature, humidity, oxygen etc. influence, to improve the stability of encapsulation object and shelf life, a kind of control of extension encapsulation object application Release technology.Unrighted acid is coated using microcapsules technology, so as to improve the stability of grease, makes its nutritive value Maximize the retention, have broad application prospects with flavor.
The main wall material of existing DHA microscapsule powders has two kinds, and one kind is protein, and another kind is polysaccharide, as patent is public Cloth number be CN102228257A algae oil DHA microcapsules and preparation method thereof, Patent publication No CN104906071A using DHA grease as 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 powders and preparation method thereof etc., its 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 technology, its wall material are mainly protein;Also Be to be mixed using protein and carbohydrate as wall material, such as a kind of high fuel loads of patent authorization number CN103549442B DHA algal oil microcapsule powder and its preparation technology, the preparation technology of Patent publication No CN101878903A new DHA microcapsules.This It can be added in normal milk powder or ground rice using protein or polysaccharide as the DHA microcapsules of wall material a bit, for digestion and absorption function Normal crowd eats, but for constitution is poor, the unsound crowd of digestion and absorption function such as albumen does not tolerate infant, old Year people, major operation patient etc., normal milk powder or ground rice do not apply to simultaneously, and at this moment the milk powder of protein hydrolysate formula is exactly optimal choosing Select, and the DHA microscapsule powders of traditional wall material can not be applied in protein hydrolysate formula milk well.
In order to meet the needs of protein hydrolysate formula milk market, the present invention is made by carrying out appropriate enzymolysis to protein It turns into the mixture of a kind of polypeptide and albumen, then for embedding DHA grease, so that it may apply to protein hydrolysate In formula milk;Product of the present invention can also be eaten, widen directly as solid beverage for children, mid-aged population simultaneously The application of DHA microscapsule powders.
The content of the invention
In view of the shortcomings of the prior art, the 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, then adds certain The emulsifying agent and antioxidant of amount, are made by special process flow.
The purpose of the present invention is achieved through the following technical solutions:
In a first aspect, the 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, then it can reduce embedding effect.
Preferably, the protein is in milk albumin, 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, Any one or a few in sheep lactalbumin, soybean protein, wheat gluten, pea protein;The protease be trypsase, One or more in 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 one in lactose, maltodextrin, maltose, sucrose, trehalose, glucose Kind or several mixtures.
Preferably, the emulsifying agent is monoglyceride, soybean lecithin, modified phospholipid, one kind in sucrose fatty ester or several The mixture of kind example;The antioxidant is one kind in Tea Polyphenols, ascorbyl palmitate, sodium ascorbate, vitamin E Or several mixture.
Second aspect, the invention provides a kind of preparation method of the DHA grease microscapsule powder containing polypeptide, including Following steps:
A, protein is not exclusively digested, prepares the mixture of protein and polypeptide;
B, carbohydrate, emulsifying agent are added in the mixture of protein and polypeptide made from step A, stirred Uniformly, and at 70~80 DEG C 20~30 minutes are incubated, obtain aqueous phase;
C, add antioxidants in DHA algal oil and stir, in the closed container of inflated with nitrogen, be added to 60~80 30~60 minutes are incubated at DEG C, obtains oil phase;
D, under agitation, oil phase is squeezed into aqueous phase, is sheared 3~5 minutes with cutter, be synchronously cooled to 60 DEG C, Then homogeneous 2~3 times under the conditions of pressure is 25~45MPa, then be spray-dried and produce the DHA microscapsule powders.
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, add 2~4 times of distilled water to stir and be heated to 37 DEG C, albumen is fully dissolved;
A2, protease 1 is added in solution made from step A1, hydrolyzed 5~15 minutes, be then heated to 80 DEG C, insulation Enzyme deactivation in 20 minutes;
A3, the solution after step A2 processing is cooled to 55~60 DEG C, adds protease 2, hydrolyze 25~30 minutes, so After be heated to 80 DEG C, be incubated enzyme deactivation in 20 minutes;Produce 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 It is 4000~8000U/g to enter concentration;Protease 2 is papain, and it is 5000~10000U/g that enzyme, which adds concentration,.
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 enzyme, which adds concentration,;Protease 2 is bromelain, enzyme add 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.
Prior art is compared, and the present invention has following beneficial effect:
1st, zymotechnic is applied in the microcapsule embedded technical fields of DHA by the present invention first.
2nd, it is rich in polypeptide in DHA microscapsule powder bars prepared by the present invention, it is easier to which human body is digested and assimilated, no It can be applied only in the formula such as ordinary powdered milk, ground rice, biscuit, milk beverage, can also be applied in protein hydrolysate formula, more may be used Directly to be taken after mixing it with water as solid beverage, DHA application is widened, particularly suitable children and mid-aged population are eaten.
3rd, the present invention passes through controlled enzymatic hydrolysis degree so that polypeptide content is 20.3-41.2%, and protein content is 8.8-29.7%, so that the microcapsule embedded effects of DHA are more preferable, application is wider.
Embodiment
With reference to specific embodiment, the present invention is described in detail.Following examples will be helpful to the technology of this area Personnel further understand the present invention, but the invention is not limited in any way.It should be pointed out that the ordinary skill to this area 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 domain.
Embodiment 1
(1) 5kg milk albumins are weighed, adds 10kg distilled water to stir and is heated to 37 DEG C, make lactalbumin fully molten Solution, the trypsase of 20,000,000 units is added, hydrolyze 5 minutes, mixed liquor is heated to 80 DEG C afterwards, be incubated enzyme deactivation in 20 minutes; Fluid temperature is down to 60 DEG C again, adds the papain of 25,000,000 units, hydrolyzes 30 minutes, is afterwards heated to mixed liquor 80 DEG C, it is incubated enzyme deactivation in 20 minutes.
(2) weigh 0.88kg lactose, 0.1kg monoglycerides are added in (1), stir and in 70 DEG C, be incubated 20 minutes, This is aqueous phase.
(3) Tea Polyphenols for weighing 0.02kg is added in 4kg DHA algal oil and stirred, in the closed container of nitrogen is rushed, 60 DEG C are heated to, is incubated 30 minutes, this is oil phase.
(4) oil phase is squeezed into aqueous phase under conditions of stirring, is sheared 5 minutes with cutter, be synchronously cooled to 60 DEG C, it Homogeneous 3 times under the conditions of homogenization pressure is 45MP afterwards, are finally spray-dried and 8.6kgDHA microscapsule powders are made, after testing albumen The gross mass that matter accounts for microscapsule powder gross 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 is 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) 5kg sheep lactalbumin is weighed, 20kg distilled water stirs and is heated to 37 DEG C, makes lactalbumin fully molten Solution, the trypsase of 40,000,000 units is first added, 15 minutes, mixed liquor is heated to 80 DEG C afterwards, is incubated enzyme deactivation in 20 minutes;Again Fluid temperature is down to 60 DEG C, adds the papain of 50,000,000 units, hydrolyzes 30 minutes, mixed liquor is heated to 80 afterwards DEG C, it is incubated enzyme deactivation in 20 minutes.
(2) weigh 2.88kg maltodextrin, 0.1kg soybean lecithins are added in (1), stir and in 80 DEG C, be incubated 30 minutes, this was aqueous phase.
(3) ascorbyl palmitate for weighing 0.02kg is added in 2kg DHA algal oil and stirred, and is rushing nitrogen In closed container, 80 DEG C are heated to, is incubated 60m minutes, this is oil phase.
(4) oil phase is squeezed into aqueous phase under conditions of stirring, is sheared 3 minutes with cutter, be synchronously cooled to 60 DEG C, it Homogeneous 2 times under the conditions of homogenization pressure is 25MP afterwards, are finally spray-dried the DHA microscapsule powders that 8.5kg is made, after testing egg The gross mass that white matter accounts for microscapsule powder gross 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 is 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) 5kg soybean protein is weighed, adds 10kg distilled water to stir and is heated to 37 DEG C, regulation PH to 2, addition The pepsin of 10000000 units, hydrolyze 5 minutes, mixed liquor is heated to 80 DEG C afterwards, be incubated enzyme deactivation in 20 minutes;Again by liquid Temperature is down to 55 DEG C, adds the bromelain of 20,000,000 units, hydrolyzes 25 minutes, mixed liquor is heated into 80 DEG C afterwards, protect Warm enzyme deactivation in 20 minutes.
(2) weigh 0.88kg maltose, 0.1kg modified phospholipid is added in (1), stir and in 70 DEG C, be incubated 20 minutes, this was aqueous phase.
(3) sodium ascorbate for weighing 0.02kg is added in 4kg DHA algal oil and stirred, and is rushing the closed appearance of nitrogen In device, 80 DEG C are heated to, is incubated 60 minutes, this is oil phase.
(4) oil phase is squeezed into aqueous phase under conditions of stirring, is sheared 5 minutes with cutter, be synchronously cooled to 60 DEG C, it Homogeneous 3 times under the conditions of homogenization pressure is 45MP afterwards, are finally spray-dried the DHA microscapsule powders that 8.7kg is made, after testing egg The gross mass that white matter accounts for microscapsule powder gross 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) 5kg wheat gluten is weighed, adds 20kg distilled water to stir and is heated to 37 DEG C, regulation PH to 2, addition The pepsin of 20000000 units, hydrolyze 10 minutes, mixed liquor is heated to 80 DEG C afterwards, be incubated enzyme deactivation in 20 minutes.Again by liquid Temperature is down to 55 DEG C, adds the bromelain of 40,000,000 units, hydrolyzes 25 minutes, mixed liquor is heated into 80 DEG C afterwards, It is incubated enzyme deactivation in 20 minutes.
(2) weigh 2.88kg sucrose, 0.1kg sucrose fatty ester is added in (1), stir and in 80 DEG C, protect Temperature 30 minutes, this is aqueous phase.
(3) vitamin E for weighing 0.02kg is added in 2kg DHA algal oil and stirred, and is rushing the closed container of nitrogen In, 70 DEG C are heated to, is incubated 45 minutes, this is oil phase.
(4) oil phase is squeezed into aqueous phase under conditions of stirring, is sheared 3 minutes with cutter, be synchronously cooled to 60 DEG C, it Homogeneous 2 times under the conditions of homogenization pressure is 30MP afterwards, are finally spray-dried the DHA microscapsule powders that 8.2kg is made, after testing egg The gross mass that white matter accounts for microscapsule powder gross 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 is 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 15kg distilled water to stir and is heated to 37 DEG C, regulation PH to 2, addition 1500 The pepsin of ten thousand units, hydrolyze 8 minutes, mixed liquor is heated to 80 DEG C afterwards, be incubated enzyme deactivation in 20 minutes.Again by fluid temperature 55 DEG C are down to, adds the bromelain of 30,000,000 units, hydrolyzes 25 minutes, mixed liquor is heated to 80 DEG C afterwards, insulation 20 Minute enzyme deactivation.
(2) 1.88kg trehalose, 0.1kg soybean lecithin are weighed in (1), is stirred and in 75 DEG C, insulation 25 Minute, this is aqueous phase.
(3) Tea Polyphenols for weighing 0.02kg is added in 3kg DHA algal oil and stirred, in the closed container of nitrogen is rushed, 70 DEG C are heated to, is incubated 45 minutes, this is oil phase.
(4) oil phase is squeezed into aqueous phase under conditions of stirring, is sheared 4 minutes with cutter, be synchronously cooled to 60 DEG C, it Homogeneous 3 times under the conditions of homogenization pressure is 30MP afterwards, are finally spray-dried the DHA microscapsule powders that 8.9kg is made, after testing egg The gross mass that white matter accounts for microscapsule powder gross 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), 5kg is weighed Milk albumin, add 10kg distilled water to stir and be heated to 37 DEG C, lactalbumin is fully dissolved, add 20,000,000 units Trypsase, hydrolyze 2 minutes, mixed liquor is heated to 80 DEG C afterwards, be incubated 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 afterwards, insulation is gone out for 20 minutes Enzyme.
The thus obtained DHA microscapsule powders gross mass that protein accounts for microscapsule powder gross weight after testing is 39.4%, polypeptide (molecular weight≤10000) accounts for the 10.6% of microscapsule powder gross 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, analyze 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), 5kg is weighed Milk albumin, add 10kg distilled water to stir and be heated to 37 DEG C, lactalbumin is fully dissolved, add 50,000,000 units Trypsase, hydrolyze 15 minutes, mixed liquor is heated to 80 DEG C afterwards, be incubated 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 afterwards, insulation is gone out for 20 minutes Enzyme.
The thus obtained DHA microscapsule powders gross mass that protein accounts for microscapsule powder gross weight after testing is 4.6%, Polypeptide (molecular weight≤10000) accounts for the 45.4% of microscapsule powder gross weight, and surface oil is 8.4% (general surface oil height In 1%, that is, think no embedded), because surface oil is too high, do not do necessity of stability.
Microscapsule powder made from this comparative example embeds poor effect, and lipochondrion is found very with microscope oil mirror microscopy 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), 5kg is weighed Milk albumin, add 10kg distilled water to stir and be heated to 37 DEG C, lactalbumin is fully dissolved, add 20,000,000 units Trypsase, hydrolyze 5 minutes, mixed liquor is heated to 80 DEG C afterwards, be incubated 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 afterwards, insulation is gone out for 20 minutes Enzyme.
The thus obtained DHA microscapsule powders gross mass that protein accounts for microscapsule powder gross weight after testing is 2.8%, Polypeptide (molecular weight≤10000) accounts for the 47.2% of microscapsule powder gross weight, surface oil 18.2%, due to surface oil too Height, necessity of stability is not done.
Concrete application approach of the present invention is a lot, and described above is only the 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 domain being not intended to limit the invention.For the common skill of the art For art personnel, under the premise without departing from the principles of the invention, some improvement can also be made, these improvement also should be regarded as this hair Bright protection domain.

Claims (10)

1. a kind of DHA grease microscapsule powder containing polypeptide, it is characterised in that include each group of following weight/mass percentage composition Point:
2. the DHA grease microscapsule powder according to claim 1 containing polypeptide, it is characterised in that the protein For any one or a few in milk albumin, sheep lactalbumin, soybean protein, wheat gluten, pea protein.
3. the DHA grease microscapsule powder according to claim 1 containing polypeptide, it is characterised in that the albumen is more Peptide is that protein is made by protease hydrolytic;The protein is milk albumin, sheep lactalbumin, soybean protein, wheat Any one or a few in albumen, pea protein;The protease is trypsase, pepsin, papain, pineapple One or more in protease.
4. the DHA grease microscapsule powder according to claim 3 containing polypeptide, it is characterised in that the protein For milk albumin and/or sheep lactalbumin when, be combined hydrolysis with trypsase and papain;The protein is When at least one of soybean protein, wheat gluten, pea protein, hydrolysis is combined with pepsin and bromelain.
5. the DHA grease microscapsule powder according to claim 1 containing polypeptide, it is characterised in that the carbon aquation Compound is one or more of mixtures in lactose, maltodextrin, maltose, sucrose, trehalose, glucose.
6. the DHA grease microscapsule powder according to claim 1 containing polypeptide, it is characterised in that the emulsifying agent For the mixture of one or more of examples in monoglyceride, soybean lecithin, modified phospholipid, sucrose fatty ester;The antioxidant For one or more of mixtures in Tea Polyphenols, ascorbyl palmitate, sodium ascorbate, vitamin E.
7. a kind of preparation method of the DHA grease microscapsule powder according to claim 1 containing polypeptide, its feature exist In comprising the following steps:
A, protein is not exclusively digested, prepares the mixture of protein and polypeptide;
B, carbohydrate, emulsifying agent are added in the mixture of protein and polypeptide made from step A, stirring is equal It is even, and 20~30 minutes are incubated at 70~80 DEG C, obtain aqueous phase;
C, add antioxidants in DHA algal oil and stir, in the closed container of inflated with nitrogen, be added at 60~80 DEG C Insulation 30~60 minutes, obtains oil phase;
D, under agitation, oil phase is squeezed into aqueous phase, is sheared 3~5 minutes with cutter, be synchronously cooled to 60 DEG C, then The homogeneous 2~3 times under the conditions of pressure is 25~45MPa, then be spray-dried and produce the DHA microscapsule powders.
8. the preparation method of the DHA grease microscapsule powder according to claim 7 containing polypeptide, it is characterised in that In step A, when the protein is milk albumin and/or sheep lactalbumin, specific preparation method is as follows:
A1, protein is weighed, add 2~4 times of distilled water to stir and be heated to 37 DEG C, albumen is fully dissolved;
A2, protease 1 is added in solution made from step A1, hydrolyzed 5~15 minutes, be then heated to 80 DEG C, be incubated 20 points Clock enzyme deactivation;
A3, the solution after step A2 processing is cooled to 55~60 DEG C, adds protease 2, hydrolyze 25~30 minutes, Ran Houjia Heat is incubated enzyme deactivation in 20 minutes to 80 DEG C;Produce the mixture of the protein and polypeptide;
The protease 1 is trypsase or pepsin;Protease 2 is papain or bromelain.
9. the preparation method of the DHA grease microscapsule powder according to claim 8 containing polypeptide, it is characterised in that When the protein is milk albumin and/or sheep lactalbumin, protease 1 is trypsase, enzyme add concentration be 4000~ 8000U/g;Protease 2 is papain, and it is 5000~10000U/g that enzyme, which adds concentration,.
10. the preparation method of the DHA grease microscapsule powder according to claim 8 containing polypeptide, it is characterised in that When the protein is at least one of soybean protein, wheat gluten, pea protein, protease 1 is pepsin, and enzyme adds Concentration is 2000~4000U/g;Protease 2 is bromelain, and it is 4000~8000U/g that enzyme, which adds concentration,.
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CN109123660A (en) * 2018-09-17 2019-01-04 山西欧莱特农业科技有限公司 A kind of walnut lactalbumin composite powder and preparation method thereof for maternal nutritional product
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CN110547457A (en) * 2019-09-02 2019-12-10 嘉必优生物技术(武汉)股份有限公司 Polyunsaturated fatty acid microcapsule and preparation method and application thereof
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CN112450390A (en) * 2020-10-30 2021-03-09 浙江波拉波拉食品股份有限公司 Fish sausage containing DHA microcapsules and preparation method thereof
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CN115553466A (en) * 2022-09-30 2023-01-03 南京益唯森生物科技有限公司 Nitraria seed oil microcapsule powder containing flax polypeptide and preparation method thereof

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