CN110037163A - A kind of preparation method of compound plant protein peptide - Google Patents

A kind of preparation method of compound plant protein peptide Download PDF

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CN110037163A
CN110037163A CN201910334617.XA CN201910334617A CN110037163A CN 110037163 A CN110037163 A CN 110037163A CN 201910334617 A CN201910334617 A CN 201910334617A CN 110037163 A CN110037163 A CN 110037163A
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parts
weight
protein
peptide
plant protein
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王书敏
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    • 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
    • A23J3/14Vegetable 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
    • A23J3/14Vegetable proteins
    • A23J3/16Vegetable proteins from soybean
    • 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
    • A23J3/14Vegetable proteins
    • A23J3/18Vegetable proteins from wheat
    • 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
    • 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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  • Life Sciences & Earth Sciences (AREA)
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  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Peptides Or Proteins (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)

Abstract

This application discloses a kind of preparation methods of compound plant protein peptide, using soybean protein, walnut protein, sesame protein, wheat gluten, five kinds of vegetable proteins of zein are mixed and made into solution according to a certain percentage, it is digested later, compound plant protein peptide is made, various vegetable proteins have different bioactivity after enzymatic hydrolysis, soybean peptide provides lasting nutrition power for heart cell and removes the blood lipid in angiocarpy, maize oligopeptide protects liver cell from damage, wheat oligopeptide has good effect to spleen deficiency, walnut peptide plays the role of clearing lung-heat, sesame peptide can nourish kidney.

Description

A kind of preparation method of compound plant protein peptide
Technical field
The present invention relates to vegetable protein manufacture fields, particularly relate to a kind of preparation side of compound plant protein peptide Method.
Background technique
In recent years, due to hormone and antibiotic in a large amount of uses of livestock-raising industry, animal protein hormone and anti- The residue problem of raw element is increasingly severe, favor of the vegetable protein of high quality increasingly by market.Past 10 years, plant egg White Related product market growth rate is very fast, plant protein resource abundance, has yield height, low-cost advantage.But It is relative to animal protein, vegetable protein is due to dissolubility and molecular structure, so that it is in the intracorporal digestion and absorption of people Availability is lower.
Small molecule plant peptide is prepared by biological enzyme hydrolyzed vegetable protein, increases the digestion and absorption of human body, meets the modern times The requirement of biological food industrial expansion.The study found that vegetable protein enzymatic hydrolysis object and its bioactivity peptide matters, not only serve as The nutrition donor of human body has excellent digestion and absorption performance, and a kind of physiological regulation agent in vivo, participates in body in vivo Immunological regulation has the function of reducing blood lipid, blood pressure lowering, promotes the bioactivity such as mineral absorption and coordinating intestines and stomach.
Existing plant peptide patent is mostly that single vegetable protein is obtained by enzymatic hydrolysis, few compound plant protein peptides. 108041404 A application of patent CN discloses nutrient plant Gly-His-Lys and its production technology, and soybean peptide was made by digesting before this Powder, later with corn Gly-His-Lys by being simply mixed to prepare.108251485 A application of patent CN discloses a kind of functional mixed Plant peptide and its application are closed, which does not account for the dissolubility and special construction of vegetable protein, in order to reach hydrolysis result, The protease of 8-10% concentration has been used, cost is very high, and does not use centrifuge to carry out centrifugation slagging-off after the completion of digesting, It will lead to subsequent 0.45 μm of filter blocking in this way, cannot achieve industrialization continuous production.
There is numerous studies report to be crosslinked protein utilization enzyme process, generation covalent cross-linking between protein can be made to be formed Polymer can improve the functional characteristic of food, such as thermal stability, emulsibility, gel characteristic, water-retaining property, rheological properties.Peptide With it is protein-based seemingly, being all amino acid passes through compound made of peptide linkage.Plant protein peptide contains a small amount of free amine group Sour and most small peptide is a kind of pure natural food ingredient, different flavor characteristics can be brought for food, while being also good The raw material of good flavour enhancer.Therefore plant protein peptide is crosslinked using enzyme, to improve end product Sino-U.S. ladd The content of peptide will carry out unprecedented change to its flavor characteristic and functional characteristic.
The application is pressed using five kinds of soybean protein, walnut protein, sesame protein, wheat gluten, zein vegetable proteins It is mixed and made into solution according to certain ratio, is digested later, compound plant protein peptide is made.Various vegetable proteins are by enzymatic hydrolysis There is different bioactivity afterwards, soybean peptide provides lasting nutrition power for heart cell and removes the blood lipid in angiocarpy, beautiful Rice oligopeptide protects liver cell from damage, and wheat oligopeptide has good effect to spleen deficiency, and walnut peptide plays the role of clearing lung-heat, Sesame peptide can nourish kidney.Five kinds of plant protein groups side science, compatibility essence road, intensive culture the five internal organs.
Summary of the invention
The purpose of the present invention is to provide a kind of preparation methods of compound plant protein peptide, using amylase and cellulase Vegetable protein is pre-processed, removes the starch and cellulose wrapped up outside albumen, is easy to protease and is digested, improves enzymatic hydrolysis effect Rate saves enzyme use cost.The application using the former distinctive vegetable protein of plant itself, the plant rennet through scientific compatibility into Row enzymatic hydrolysis, is isolated and purified using supercentrifuge combination nano ceramics film, and plant protein peptide obtained has very strong fortune Defeated physiological activity, carrier physiological activity, power physiological activity and mediator physiological activity etc..The application uses different vegetable proteins It organically combines, using complementarity principle, compatibility science accords with the quantity of a variety of essential amino acid structure proportions and essential amino acid more The demand for closing human body, realizes the comprehensive health-cares such as high protein, low fat, low cholesterol;The application is not added with vegetable fat powder, artificial Fragrance, synthetic dyestuff or preservative while supplementing high-quality protein, do not aggravate human body burden, and suitable population is extensive, has green Color, health, the feature of safety.The application primary raw material derive from natural plants, safe and non-toxic and cheap, good mouthfeel, It is suitable for taking for a long time.
Soybean protein used in this application is a kind of full price protide food produced using low temperature desolventizing Soybean Meal as raw material Product, it is full of nutrition, it is cholesterol-free, it is one of the kind of alternative animal protein few in number in phytoprotein.Greatly Legumin has many advantages, such as that protein content is high, nutrition is balanced, and having reduces cholesterol, improve immunity, prevent calcium loss And other effects.
In recent years nutritional physiology the study found that dominant digestion product of the peptide as protein, in amino acid digestion, inhale It plays an important role in receipts and Animal nutrition metabolism.Peptide is digestion and absorption form one of of the protein in enteron aisle, especially Be 2~10 amino acid composition peptide infiltration rate specific ionization amino acid speed it is also fast.Peptide in animal alimentary canal not only not There are problems that competing with Amino Acid Absorption, moreover it is possible to promote the transhipment of free amino acid, protein utilization rate be improved, to significantly increase Add digestibility, the utilization rate of food.Peptide itself makes with a large amount of nucleophilics and electrophilic group along with its suitable molecular length Be easier to the metal ions such as Ca, Fe, Cu, Zn generate chelation, then by the exclusive transhipment channel of peptide enter small intestine glue In film, the absorption and utilization of these minerals are effectively facilitated.Furthermore peptide also has promotion growth, adjusts digestion and absorption function, is anti- Stress, it adjust the functions such as immunocompetence.
It is another object of the present invention to provide a kind of preparation method of compound plant protein peptide, adjusted after the completion of enzymatic hydrolysis Solution pH value to acidity, precipitating does not digest high molecular weight protein, removes most of insoluble matter using barrel type centrifuge later, is easy to Subsequent filter technique, may be implemented industrialized production.
Another object of the present invention, which also resides in, provides a kind of preparation method of compound plant protein peptide, separation and filterer The creative high molecular weight protein insufficient using acid precipitating enzymatic hydrolysis of sequence is subsequent super using high speed barrel type centrifuge combination ceramic membrane Filter, the composite plant peptide obtained after ultrafiltration are not in the albumen point in existing production technology through subsequent concentration and heating process Turbid phenomenon caused by son is assembled solves the problems, such as opaque clarification after existing vegetable protein peptide product dissolution very well.Plant Albumen peptide material has thermal sensitivity, is heated easily by broken ring, is not easy to remove the salinity of low molecular weight using traditional method of purification, from And the purity of product is influenced, this patent uses nanofiltration membrane desalination, while pre-concentration can be carried out to composite plant peptide solution, both may be used Salinity is removed, energy consumption can also be reduced, achievees the purpose that improve product quality.
Another object of the present invention, which also resides in, provides a kind of preparation method of compound plant protein peptide, enrichment process addition Inulin and steviol glycoside, in conjunction with the citric acid added before rotary process, manufactured composite plant peptide is without bitter taste, very good solution The problem of most of plant peptide taste bitterness.
Another object of the present invention, which also resides in, provides a kind of preparation method of compound plant protein peptide, using soybean egg Five kinds of white, walnut protein, sesame protein, wheat gluten, zein vegetable proteins mix digested according to a certain percentage, Five kinds of corn gluten proteins, nutrition and have complementary functions, intensive culture the five internal organs.
For achieving the above object, the invention provides the following technical scheme:
A kind of preparation method of compound plant protein peptide, includes the following steps:
1) soybean protein 1-5 parts by weight, sesame protein 1-5 parts by weight, walnut protein 1-5 parts by weight, zein 1-5 are taken Parts by weight, wheat gluten 1-5 parts by weight are mixed, and mixture is obtained;The mixture is uniformly mixed with water according to 1:1, High-speed emulsifying machine is crossed, mixed serum is obtained;
2) mixed serum obtained by step 1), which adds to add water to after mass concentration is 8-10%, carries out heat pre-treatment, then cold But to 45-50 DEG C, 0.002-0.05 weight starch enzyme and 0.002-0.05 weight is added after adjusting pH=5.0-5.5 with hydrochloric acid Part cellulase carries out enzymatic hydrolysis 1-2 hours, carries out enzyme-deactivating after the completion of enzymatic hydrolysis;
3) pH to 8.0-9.0 is adjusted after the enzyme-deactivating liquid obtained by step 2) is cooled to 45-50 DEG C of temperature, and 0.004- is added 0.08 parts by weight alkali protease digests 1-2 hours, and 0.004-0.08 parts by weight neutral proteinase and 0.004- are added later 0.08 parts by weight papain enzymolysis 2-4 hours, enzymatic hydrolysis carry out enzyme-deactivating after the completion;
4) heating keeps certain time after the citric acid of the enzyme-deactivating feed liquid obtained by step 3) adjusts pH=4.2-5.0, it The 2%-5% activated carbon for adding feed liquid quality afterwards carries out decoloration deodorization, then is being separated with barrel type centrifuge, discards solid Phase collects liquid phase;
5) liquid phase for taking step 4) to collect carries out carry out ultrafiltration, molecular cut off 2000-5000Da, take filtered solution into Row nanofiltration separation, molecular cut off 300Da, the liquid that shuts off are compound plant protein peptide solution;
6) 1-5 weight is added in the vegetable protein peptide solution liquid collected to step 5) and divides inulin and 0.02-0.1 parts by weight sweet tea Synanthrin glycosides is dried after being concentrated under reduced pressure into 10-15 ° of Baume degrees, and spray tower inlet air temperature is 180-210 DEG C, and leaving air temp is 80-90 DEG C, moisture content 5-10% is controlled, obtains compound plant protein peptide after dry.
Preferably, it is 90-95 that concentration described in step 2), which is the heat pre-treatment condition of 8-10% mixed serum, DEG C, the retention time is 1-2 hours.
Preferably, the citric acid of enzyme-deactivating feed liquid described in step 4) heats holding after adjusting pH=4.2-5.0 Certain time, 70-75 DEG C of heating temperature, the retention time is 0.5-1 hours.
Preferably, barrel type centrifuge described in step 4) is being separated, and barrel type seperator revolving speed is 10000- 12000r/min。
A kind of beneficial effect of the preparation method of compound plant protein peptide of the embodiment of the present invention is: heating pre- place in raw material The reason stage uses heating mixed serum, for 1-2 hours modes, to make the starch on vegetable protein surface to 90-95 DEG C of retention time And fiber loosens, and handles vegetable protein using using amylase and cellulase later, remove the starch wrapped up outside albumen and Cellulose is easy to protease and is digested, and improves enzymolysis efficiency, saves enzyme use cost;Solution pH value is adjusted after the completion of enzymatic hydrolysis To acidity, precipitating does not digest high molecular weight protein, removes most of insoluble matter using barrel type centrifuge later, is easy to subsequent filter Industrialization continuous production may be implemented in technique;Enrichment process adds inulin and steviol glycoside, the lemon added in conjunction with rotary process Acid, manufactured composite plant peptide is without bitter taste, the very good solution problem of most of plant peptide taste bitterness;By to plant egg Suitable inulin is added in white peptide liquid, solves plant protein peptide in the drying process because producing not caused by tower wall adherency Continuous situation;Using five kinds of soybean protein, walnut protein, sesame protein, wheat gluten, zein vegetable proteins according to certain Ratio mixing digested, five kinds of corn gluten proteins and have complementary functions at nutrition, intensive culture the five internal organs.
Beneficial effect
1, flavor peptides are produced using plant protein peptide, has the characteristics that full of nutrition, natural safety, unique flavor, this is right The class and the market competitiveness for promoting China's flavouring have great importance.Carrying out crosslinking Treatment to peptide by enzyme can be catalyzed Intramolecular or intermolecular cross-linking occur for peptide, so that the Mei Lade peptide yield of 1000-5000Da in product is improved 17-28%, significantly mention Rise the alcohol savoury of product.
2, be not in turbid phenomenon caused by protein molecular in existing production technology is assembled, solve existing plant very well After the dissolution of object albumen peptide product the problem of opaque clarification.
3, vegetable protein peptide material has thermal sensitivity, is heated easily by broken ring, is not easy to remove using traditional method of purification low The salinity of molecular weight, to influence the purity of product, this patent uses nanofiltration membrane desalination, while can be to composite plant peptide solution Pre-concentration is carried out, salinity can both be removed, energy consumption can also be reduced, achievees the purpose that improve product quality.
4, using in compound plant protein peptide made from the invention patent peptide content, purity improves 20-30% for 95%, Wherein 1000 dalton of peptide molecular weight is below accounts for 85% or more, and indices produce skill better than existing compound plant protein peptide Art.
Specific embodiment
The embodiment of the invention discloses a kind of preparation methods of compound plant protein peptide.Those skilled in the art can use for reference Present disclosure is suitably modified realization of process parameters.In particular, it should be pointed out that all similar substitutions and modifications are to this field skill It is it will be apparent that they are considered as being included in the present invention for art personnel.Method of the invention, which has passed through, preferably to be implemented Example is described, related personnel obviously can not depart from the content of present invention, in spirit and scope to product as described herein into Row change or appropriate changes and combinations, carry out implementation and application the technology of the present invention.
For a further understanding of the present invention, the following describes the present invention in detail with reference to examples.
Embodiment 1:
1) take 3 parts by weight of soybean protein, 1 parts by weight of sesame protein, 2 parts by weight of walnut protein, 1 parts by weight of zein, 4 parts by weight of wheat gluten are mixed, and mixture is obtained;The mixture is uniformly mixed with water according to 1:1, high speed is crossed and emulsifies Machine obtains mixed serum;
2) mixed serum obtained by step 1) adds to add water to after mass concentration is 8% and carries out being heated to 95 DEG C of holdings 1 hour, 45 DEG C are then cooled to, 0.006 weight starch enzyme and 0.004 part by weight of cellulose enzyme is added after adjusting pH=5.0 with hydrochloric acid It carries out enzymatic hydrolysis 1 hour, carries out enzyme-deactivating after the completion of enzymatic hydrolysis;
3) pH to 8.5 is adjusted after the enzyme-deactivating liquid obtained by step 2) is cooled to 46 DEG C of temperature, and 0.008 parts by weight alkalinity is added Protease hydrolyzed 2 hours, 0.01 parts by weight neutral proteinase and 0.08 parts by weight papain enzymolysis 3 hours are added later, Enzyme-deactivating is carried out after the completion of enzymatic hydrolysis;
4) the enzyme-deactivating feed liquid obtained by step 3) is heated to 70 DEG C of holdings 30 minutes after adjusting pH=4.2 with citric acid, it 2% activated carbon for adding feed liquid quality afterwards carries out decoloration deodorization, then is carried out under the conditions of 10000r/min with barrel type centrifuge Separation discards solid phase, collects liquid phase;
5) liquid phase for taking step 4) to collect carries out carry out ultrafiltration, and molecular cut off 2000Da takes filtered solution to be received Filter separation, molecular cut off 300Da, the liquid that shuts off is compound plant protein peptide solution;
6) 5 weight are added in the vegetable protein peptide solution liquid collected to step 5) and divide inulin and 0.1 parts by weight steviol glycoside, It is dried after being concentrated under reduced pressure into 15 ° of Baume degrees, spray tower inlet air temperature is 200 DEG C, and leaving air temp is 90 DEG C, and control moisture contains Amount 5% obtains compound plant protein peptide after dry.
Embodiment 2:
1) take 5 parts by weight of soybean protein, 1 parts by weight of sesame protein, 2 parts by weight of walnut protein, 1 parts by weight of zein, 3 parts by weight of wheat gluten are mixed, and mixture is obtained;The mixture is uniformly mixed with water according to 1:1, high speed is crossed and emulsifies Machine obtains mixed serum;
2) mixed serum obtained by step 1) adds to add water to after mass concentration is 8% and carries out being heated to 90 DEG C of holdings 1 hour, 48 DEG C are then cooled to, 0.008 weight starch enzyme and 0.006 part by weight of cellulose enzyme is added after adjusting pH=5.0 with hydrochloric acid It carries out enzymatic hydrolysis 1 hour, carries out enzyme-deactivating after the completion of enzymatic hydrolysis;
3) pH to 8.5 is adjusted after the enzyme-deactivating liquid obtained by step 2) is cooled to 46 DEG C of temperature, and 0.01 parts by weight alkalinity is added Protease hydrolyzed 2 hours, 0.01 parts by weight neutral proteinase and 0.08 parts by weight papain enzymolysis 4 hours are added later, Enzyme-deactivating is carried out after the completion of enzymatic hydrolysis;
4) the enzyme-deactivating feed liquid obtained by step 3) is heated to 75 DEG C of holdings 30 minutes after adjusting pH=4.2 with citric acid, it 4% activated carbon for adding feed liquid quality afterwards carries out decoloration deodorization, then is carried out under the conditions of 10000r/min with barrel type centrifuge Separation discards solid phase, collects liquid phase;
5) liquid phase for taking step 4) to collect carries out carry out ultrafiltration, and molecular cut off 3000Da takes filtered solution to be received Filter separation, molecular cut off 300Da, the liquid that shuts off is compound plant protein peptide solution;
6) 4 weight are added in the vegetable protein peptide solution liquid collected to step 5) and divide inulin and 0.1 parts by weight steviol glycoside, It is dried after being concentrated under reduced pressure into 14 ° of Baume degrees, spray tower inlet air temperature is 200 DEG C, and leaving air temp is 90 DEG C, and control moisture contains Amount 5% obtains compound plant protein peptide after dry.
Embodiment 3:
1) take 5 parts by weight of soybean protein, 5 parts by weight of sesame protein, 2 parts by weight of walnut protein, 1 parts by weight of zein, 1 parts by weight of wheat gluten are mixed, and mixture is obtained;The mixture is uniformly mixed with water according to 1:1, high speed is crossed and emulsifies Machine obtains mixed serum;
2) mixed serum obtained by step 1) adds to add water to after mass concentration is 8% and carries out being heated to 90 DEG C of holdings 1 hour, Then be cooled to 46 DEG C, with hydrochloric acid adjust pH=5.0 after be added 0.01 weight starch enzyme and 0.002 part by weight of cellulose enzyme into Row enzymatic hydrolysis 1 hour, enzymatic hydrolysis carries out enzyme-deactivating after the completion;
3) pH to 8.5 is adjusted after the enzyme-deactivating liquid obtained by step 2) is cooled to 46 DEG C of temperature, and 0.01 parts by weight alkalinity is added Protease hydrolyzed 2 hours, 0.005 parts by weight neutral proteinase is added later and 0.009 parts by weight papain enzymolysis 4 is small When, enzymatic hydrolysis carries out enzyme-deactivating after the completion;
4) the enzyme-deactivating feed liquid obtained by step 3) is heated to 70 DEG C of holdings 30 minutes after adjusting pH=4.2 with citric acid, it 5% activated carbon for adding feed liquid quality afterwards carries out decoloration deodorization, then is carried out under the conditions of 10000r/min with barrel type centrifuge Separation discards solid phase, collects liquid phase;
5) liquid phase for taking step 4) to collect carries out carry out ultrafiltration, and molecular cut off 5000Da takes filtered solution to be received Filter separation, molecular cut off 300Da, the liquid that shuts off is compound plant protein peptide solution;
6) 4 weight are added in the vegetable protein peptide solution liquid collected to step 5) and divide inulin and 0.1 parts by weight steviol glycoside, It is dried after being concentrated under reduced pressure into 12 ° of Baume degrees, spray tower inlet air temperature is 200 DEG C, and leaving air temp is 95 DEG C, and control moisture contains Amount 5% obtains compound plant protein peptide after dry.
Embodiment 4:
1) take 2 parts by weight of soybean protein, 5 parts by weight of sesame protein, 5 parts by weight of walnut protein, 1 parts by weight of zein, 5 parts by weight of wheat gluten are mixed, and mixture is obtained;The mixture is uniformly mixed with water according to 1:1, high speed is crossed and emulsifies Machine obtains mixed serum;
2) mixed serum obtained by step 1) adds to add water to after mass concentration is 8% and carries out being heated to 90 DEG C of 30 points of holdings Clock is then cooled to 46 DEG C, and 0.01 weight starch enzyme and 0.002 part by weight of cellulose is added after adjusting pH=4.8 with hydrochloric acid Enzyme carries out enzymatic hydrolysis 1 hour, carries out enzyme-deactivating after the completion of enzymatic hydrolysis;
3) pH to 8.5 is adjusted after the enzyme-deactivating liquid obtained by step 2) is cooled to 46 DEG C of temperature, and 0.01 parts by weight alkalinity is added Protease hydrolyzed 2 hours, 0.005 parts by weight neutral proteinase and 0.03 parts by weight papain enzymolysis 4 hours are added later, Enzyme-deactivating is carried out after the completion of enzymatic hydrolysis;
4) the enzyme-deactivating feed liquid obtained by step 3) is heated to 70 DEG C of holdings 30 minutes after adjusting pH=4.8 with citric acid, it 2% activated carbon for adding feed liquid quality afterwards carries out decoloration deodorization, then is carried out under the conditions of 10000r/min with barrel type centrifuge Separation discards solid phase, collects liquid phase;
5) liquid phase for taking step 4) to collect carries out carry out ultrafiltration, and molecular cut off 2000Da takes filtered solution to be received Filter separation, molecular cut off 300Da, the liquid that shuts off is compound plant protein peptide solution;
6) 2 weight are added in the vegetable protein peptide solution liquid collected to step 5) and divide inulin and 0.05 parts by weight stevioside Glycosides is dried after being concentrated under reduced pressure into 12 ° of Baume degrees, and spray tower inlet air temperature is 200 DEG C, and leaving air temp is 95 DEG C, controls water Divide content 7%, obtains compound plant protein peptide after dry.
Embodiment 5:
1) take 3 parts by weight of soybean protein, 4 parts by weight of sesame protein, 3 parts by weight of walnut protein, 4 parts by weight of zein, 3 parts by weight of wheat gluten are mixed, and mixture is obtained;The mixture is uniformly mixed with water according to 1:1, high speed is crossed and emulsifies Machine obtains mixed serum;
2) mixed serum obtained by step 1) adds to add water to after mass concentration is 8% and carries out being heated to 90 DEG C of 30 points of holdings Clock is then cooled to 46 DEG C, and 0.003 weight starch enzyme and 0.005 part by weight of cellulose is added after adjusting pH=4.8 with hydrochloric acid Enzyme carries out enzymatic hydrolysis 1 hour, carries out enzyme-deactivating after the completion of enzymatic hydrolysis;
3) pH to 8.5 is adjusted after the enzyme-deactivating liquid obtained by step 2) is cooled to 46 DEG C of temperature, and 0.01 parts by weight alkalinity is added Protease hydrolyzed 2 hours, 0.01 parts by weight neutral proteinase and 0.03 parts by weight papain enzymolysis 4 hours are added later, Enzyme-deactivating is carried out after the completion of enzymatic hydrolysis;
4) the enzyme-deactivating feed liquid obtained by step 3) is heated to 70 DEG C of holdings 30 minutes after adjusting pH=4.8 with citric acid, it 2% activated carbon for adding feed liquid quality afterwards carries out decoloration deodorization, then is carried out under the conditions of 12000r/min with barrel type centrifuge Separation discards solid phase, collects liquid phase;
5) liquid phase for taking step 4) to collect carries out carry out ultrafiltration, and molecular cut off 2000Da takes filtered solution to be received Filter separation, molecular cut off 300Da, the liquid that shuts off is compound plant protein peptide solution;
6) 4 weight are added in the vegetable protein peptide solution liquid collected to step 5) and divide inulin and 0.06 parts by weight stevioside Glycosides is dried after being concentrated under reduced pressure into 15 ° of Baume degrees, and spray tower inlet air temperature is 200 DEG C, and leaving air temp is 95 DEG C, controls water Divide content 7%, obtains compound plant protein peptide after dry.
Embodiment 6:
1) take 5 parts by weight of soybean protein, 5 parts by weight of sesame protein, 5 parts by weight of walnut protein, 5 parts by weight of zein, 5 parts by weight of wheat gluten are mixed, and mixture is obtained;The mixture is uniformly mixed with water according to 1:1, high speed is crossed and emulsifies Machine obtains mixed serum;
2) mixed serum obtained by step 1) adds to add water to after mass concentration is 8% and carries out being heated to 95 DEG C of 30 points of holdings Clock is then cooled to 46 DEG C, and 0.01 weight starch enzyme and 0.008 part by weight of cellulose is added after adjusting pH=4.8 with hydrochloric acid Enzyme carries out enzymatic hydrolysis 1 hour, carries out enzyme-deactivating after the completion of enzymatic hydrolysis;
3) pH to 8.5 is adjusted after the enzyme-deactivating liquid obtained by step 2) is cooled to 46 DEG C of temperature, and 0.01 parts by weight alkalinity is added Protease hydrolyzed 2 hours, 0.008 parts by weight neutral proteinase is added later and 0.006 parts by weight papain enzymolysis 4 is small When, enzymatic hydrolysis carries out enzyme-deactivating after the completion;
4) the enzyme-deactivating feed liquid obtained by step 3) is heated to 75 DEG C of holdings 30 minutes after adjusting pH=4.2 with citric acid, it 2% activated carbon for adding feed liquid quality afterwards carries out decoloration deodorization, then is carried out under the conditions of 12000r/min with barrel type centrifuge Separation discards solid phase, collects liquid phase;
5) liquid phase for taking step 4) to collect carries out carry out ultrafiltration, and molecular cut off 5000Da takes filtered solution to be received Filter separation, molecular cut off 300Da, the liquid that shuts off is compound plant protein peptide solution;
6) 4 weight are added in the vegetable protein peptide solution liquid collected to step 5) and divide inulin and 0.08 parts by weight stevioside Glycosides is dried after being concentrated under reduced pressure into 10 ° of Baume degrees, and spray tower inlet air temperature is 200 DEG C, and leaving air temp is 90 DEG C, controls water Divide content 7%, obtains compound plant protein peptide after dry.
Finally, it should be noted that obviously, above-described embodiment is only intended to clearly illustrate the application example, and simultaneously The non-restriction to embodiment.For those of ordinary skill in the art, it can also do on the basis of the above description Other various forms of variations or variation out.There is no necessity and possibility to exhaust all the enbodiments.And thus drawn Shen go out obvious changes or variations still in the protection scope of the application type among.

Claims (8)

1. a kind of preparation method of compound plant protein peptide, which comprises the steps of:
Step 1: weighing plant protein material, the plant protein material is soybean protein 1-5 parts by weight, sesame protein 1-5 Parts by weight, walnut protein 1-5 parts by weight, zein 1-5 parts by weight, wheat gluten 1-5 parts by weight;
Step 2: the plant protein material in step 1 is dried, then mix, obtains mixture A;By the mixture A is crushed, and sieves with 100 mesh sieve, minus mesh B is taken to be uniformly mixed with pure water according to parts by weight 1:1, is crossed high-speed emulsifying machine, is mixed Slurries A;
Step 3: the mixed serum A obtained by step 2, which adds, adds water to mass concentration as 8-10%, mixed serum B is obtained, is then carried out Heat pre-treatment is then cooled to 45-50 DEG C, and 0.002-0.05 weight starch is added after adjusting pH=5.0-5.5 with hydrochloric acid Enzyme and 0.002-0.05 part by weight of cellulose enzyme are digested, and enzymolysis time is 1-2 hours, carry out enzyme-deactivating after the completion of enzymatic hydrolysis;
Step 4: the enzyme-deactivating liquid obtained by step 3 adjusts pH to 8.0-9.0 after being cooled to 40-45 DEG C of temperature, 0.004- is added 0.08 parts by weight alkali protease enzymatic hydrolysis, enzymolysis time are 1-2 hours, and 0.004-0.08 parts by weight neutral proteinase is added later With 0.004-0.08 parts by weight papain enzymolysis, enzymolysis time is 2-4 hours, carries out enzyme-deactivating after the completion of enzymatic hydrolysis;
Step 5: heating keeps certain time after the citric acid of the enzyme-deactivating feed liquid obtained by step 4 adjusts pH=4.2-5.0, it 5% activated carbon for adding feed liquid quality afterwards carries out decoloration deodorization, then is separated with barrel type centrifuge, and solid phase is discarded, and collects Liquid phase;
Step 6: the liquid phase for taking step 5 to collect carries out the ultrafiltration of nano ceramics film, molecular cut off 2000-5000Da is taken Filtered solution carries out nano ceramics film nanofiltration separation, and molecular cut off 300Da, the liquid that shuts off is that compound plant protein peptide is molten Liquid;
Step 7: 1-5 weight is added in the vegetable protein peptide solution liquid collected to step 6 divides inulin and 0.02-0.1 parts by weight The anticaking agent of steviol glycoside and 0.1-0.5 parts by weight is dried after being concentrated under reduced pressure into Baume degrees 10-15 degree, spray tower into Air temperature is 180-210 DEG C, and leaving air temp is 80-90 DEG C, controls moisture content 5-10%, obtains compound plant protein after dry Gly-His-Lys;
Step 8: packing compound plant protein Gly-His-Lys obtained in step 7 to get final products.
2. a kind of preparation method of compound plant protein peptide as described in claim 1, it is characterised in that: dense described in step 3 Degree is that the heat pre-treatment condition of 8-10% mixed serum is 90-95 DEG C, and the retention time is 1-2 hours.
3. a kind of preparation method of compound plant protein peptide as described in claim 1, it is characterised in that: enzyme described in step 5 It inactivates heating after feed liquid citric acid adjusts pH=4.2-5.0 and keeps certain time, 70-75 DEG C of heating temperature, the retention time is 0.5-1 hours.
4. a kind of preparation method of compound plant protein peptide as described in claim 1, it is characterised in that: bucket described in step 5 Formula centrifuge is being separated, and barrel type seperator revolving speed is 10000-12000r/min.
5. a kind of preparation method of compound plant protein peptide as described in claim 1, it is characterised in that: in the step 7 Anticaking agent is one or more of silica, magnesium stearate, tricalcium phosphate and microcrystalline cellulose mixture.
6. a kind of preparation method of compound plant protein peptide as described in claim 1, it is characterised in that: in the soybean protein Content >=85% of protein;Content >=70% of protein in sesame protein, content >=90% of protein in walnut protein, Content >=75% of protein in zein, in wheat gluten protein content >=80%.
7. a kind of preparation method of compound plant protein peptide as described in claim 1, it is characterised in that: the drying is low temperature Freeze-drying, moisture is less than 3%;Step (1) is cooling, raw material is carried out low temperature drying, sealing is placed in -10 to -5 DEG C of refrigerator Constant temperature 2-3h, then takes out, and is placed in vacuum freeze drier, is first refrigerated to -20~-30 DEG C with the cooling rate of 3 DEG C/min, Keep 2-4h;Step (2) is thawed, and freezing raw material is placed under conditions of room temperature, ventilation defrosting airing to the ice crystal on raw material surface Melt, moisture evaporation, stirred a freezing raw material during defrosting airing every 10 minutes, defrosting airing 10-11h is to get arriving Defrosting raw material;
Step (3) is just dried, and defrosting raw material obtained in step (2) is uniformly added in dryer, and temperature is 100-130 DEG C Under conditions of just be dried to water content be 10-15% degree, just dry 3-5min to get to just dry raw material, then will just dry raw material booth 1-2h dry in the air to get to multiple baking raw material;
Step (4) is dried again, will be uniformly added in dryer obtained in step (3) to multiple baking raw material, temperature 110-120 Being dried to again under conditions of DEG C to multiple baking feed moisture content is 5-8%, dries 1-3min again to get finished product stand-by raw material, the baking is arrived The model 7CHB-5 of dry machine, yield >=30kg/h, 50-60 DEG C at a temperature of be dried under reduced pressure 5-8h;The pressure being dried under reduced pressure For 0.001-0.05MPa;Then it carries out being dried under vacuum to aqueous 10-20% again, the vacuum drying is to carry out in drying chamber Hot wind-is infrared-microwave drying, 40-50 DEG C of hot blast temperature, and far infrared radiation intensity 0.3-0.4W/cm2, the first rank of microwave heating Section power is 100-150W, and second stage power is 200-300W, and phase III power is 350-400W, conveyor belt speed 1- 2m/min is recycled 9-10 times;It is stored in refrigerator after drying, storage temperature is -5 DEG C~-10 DEG C.
8. a kind of preparation method of compound plant protein peptide as described in claim 1, it is characterised in that: the ultrafiltration nanometer Ceramic membrane is oxidation zirconium base nano inorganic film, and molecular cut off 2000-5000Da, filtration temperature is 20-25 DEG C;It is described to receive Rice inorganic thin film with a thickness of 10-15 microns;The material component and weight proportion of the nano inorganic film are as follows: silica 8- 10 parts, 5-8 parts of 1-5 parts of 5-8 parts of 1-3 parts of 5-8 parts of zirconium oxide, titanium carbide, carbon fiber, zinc oxide, the magnesium nitride of stabilized with yttrium oxide, 3-4 parts of silicon nitride, Sc2O31-3 parts;The clear liquid of hyperfiltration treatment is removed greatly with the nanofiltration membrane that aperture is divided into 200-300 dalton Partial moisture and inorganic salts, it is 20%-30% that clear liquid, which is concentrated into solid content, and the membrane pressure of filter membrane is 0.2MPa- 0.5MPa。
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CN111455011A (en) * 2020-05-28 2020-07-28 江南大学 Method for extracting polypeptide by gradient enzymolysis of kitchen solid residue
CN111670995A (en) * 2020-06-08 2020-09-18 颜如玉医药科技有限公司 Preparation method of wheat protein peptide
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CN111358009A (en) * 2020-03-16 2020-07-03 赵秋萍 Plant peptide and preparation method and application thereof
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CN112998279A (en) * 2021-03-15 2021-06-22 东北农业大学 Method for preparing functional polypeptide powder by enzyme method
CN113100320A (en) * 2021-04-12 2021-07-13 武汉轻工大学 Walnut oligopeptide candy with function of relieving sub-health fatigue and preparation method thereof
CN114032272A (en) * 2021-11-12 2022-02-11 中国农业大学 Low phenylalanine vegetable protein peptide and preparation method thereof
CN114231583A (en) * 2021-12-16 2022-03-25 云南文山坤七药业股份有限公司 Preparation method and application of soybean, coffee and pseudo-ginseng bioactive peptides
CN114214380A (en) * 2021-12-16 2022-03-22 云南文山坤七药业股份有限公司 Preparation method and application of soybean, coffee and American ginseng bioactive peptides
CN114395596A (en) * 2021-12-17 2022-04-26 云南文山坤七药业股份有限公司 Preparation method and application of soybean, coffee and ganoderma lucidum bioactive peptide
CN114480536A (en) * 2021-12-17 2022-05-13 云南文山坤七药业股份有限公司 Preparation method and application of soybean, coffee and sealwort bioactive peptide
CN114517219A (en) * 2021-12-17 2022-05-20 云南文山坤七药业股份有限公司 Preparation method and application of soybean, coffee and gastrodia elata bioactive peptide
CN114438155A (en) * 2022-01-12 2022-05-06 云南文山坤七药业股份有限公司 Preparation method and application of soybean, coffee and Chinese wolfberry bioactive peptide
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Application publication date: 20190723