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Hydrolyzed protein powder and preparation method thereof

A technology for hydrolyzing protein powder and crude protein, which is applied in protein food processing, animal protein processing, plant protein processing, etc., can solve the problems of high price, achieve the effects of increasing potency, stabilizing the process, and shortening the culture time of bacteria

Inactive Publication Date: 2016-04-20
王金光
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The medium used in the microbial transformation process of existing pharmaceutical factories is fish meal, bean cake powder, yeast powder or extract, starch, etc., which are expensive

Method used

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  • Hydrolyzed protein powder and preparation method thereof

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0042] The invention provides a hydrolyzed protein powder, which uses 10 kg of blood meal, 10 kg of feather meal, 80 kg of cell protein and 80 kg of wheat bran as raw materials.

[0043] Its preparation method comprises the following steps:

[0044] Step 1: Preparation of semi-finished product I, including

[0045] (1) Premix I: mix blood meal and feather meal evenly to form mixture I, then add water three times the weight of mixture I and stir evenly;

[0046] (2) Enzymolysis I: adjust the pH value of the mixture I after adding water to 3.5, add 1.0% pepsin by weight of the mixture I to carry out the enzymolysis process, the temperature of the enzymolysis I is 30°C, and the enzymolysis I The time is 2.5 hours, and finally the enzymatic treatment is carried out to obtain the enzymatic hydrolyzate Ⅰ;

[0047] (3) The first pulverization: pulverize the enzymatic hydrolyzate Ⅰ into a material with a small particle size of 20-30 meshes, and then adjust the pH value to 6.0;

[0...

Embodiment 2

[0057] The invention provides a hydrolyzed protein powder, which uses 20 kg of blood meal, 20 kg of feather meal, 50 kg of bacterial protein and 70 kg of wheat bran as raw materials.

[0058] Its preparation method comprises the following steps:

[0059] Step 1: Preparation of semi-finished product I, including

[0060] (1) Premix I: mix blood meal and feather meal evenly to form mixture I, then add water 5 times the weight of mixture I and stir evenly;

[0061] (2) Enzymolysis I: adjust the pH value of the mixture I after adding water to 4.0, add 0.6% pepsin by weight of the mixture I to carry out the enzymolysis process, the temperature of the enzymolysis I is 40°C, and the enzymolysis I The time is 2 hours, and finally the enzyme inactivation treatment is carried out to obtain the enzymatic hydrolyzate Ⅰ;

[0062] (3) The first pulverization: pulverize the enzymatic hydrolyzate Ⅰ into a material with a small particle size of 20-30 meshes, and then adjust the pH value to 7...

Embodiment 3

[0072] The invention provides a hydrolyzed protein powder, which uses 10 kg of blood meal, 40 kg of feather meal, 30 kg of bacterial protein and 60 kg of wheat bran as raw materials.

[0073] Its preparation method comprises the following steps:

[0074] Step 1: Preparation of semi-finished product I, including

[0075] (1) Premix I: the blood meal and feather meal are tested earlier, the moisture content of the blood meal is 10%, the moisture content of the feather meal is 11%, the crude protein content of the blood meal is 83% and the The crude protein content of the feather meal is 80%; then the blood meal and the feather meal are mixed uniformly to form a mixture I, and then water 4 times the weight of the mixture I is added and stirred evenly;

[0076] (2) Enzymolysis I: adjust the pH value of the mixture I after adding water to 3.0, add 0.8% pepsin by weight of the mixture I to carry out the enzymolysis process, the temperature of the enzymolysis I is 32°C, and the enzy...

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Abstract

The invention relates to hydrolyzed protein powder and a preparation method. The hydrolyzed protein powder takes feather meal, blood meal, mycoprotein and wheat bran as raw materials. According to the preparation method, macromolecular protein of multiple amino acids contained in the feather meal and the blood meal are turned into micro-molecule polypeptides with a first enzymolysis and second puffing method, and the mycoprotein and the wheat bran are turned into micro-molecule polypeptides with an enzymolysis method. The hydrolyzed protein powder and the preparation method have the benefits as follows: the preparation method can be used for industrial production, and a process is stable; sources of raw materials are wide, and the cost is low; the nitrogen content of the produced hydrolyzed protein is high; the hydrolyzed protein powder contains rich vitamins and other growth factors, anti-nutritional factors and various toxins of agricultural and sideline products are decomposed in a hydrolysis and puffing process; the growth time of thalli in the earlier stage is remarkably shortened, the fermentation period is shortened, and the productivity is improved.

Description

technical field [0001] The invention belongs to the field of protein powder preparation, and in particular relates to a hydrolyzed protein powder and a preparation method thereof. Background technique [0002] With the development of my country's biomedical industry, especially a series of breakthrough applications of microbial transformation in drug development has created huge medical value and economic benefits for the pharmaceutical industry. The characteristic of microbial pharmaceutical industry production is to use a certain microorganism to have its most suitable medium for its growth according to the process. With the addition of a certain ingredient, the finished product of fermentation is completely different. Therefore, the culture medium plays a very important role in the biopharmaceutical industry. [0003] The medium used in the microbial transformation process of existing pharmaceutical factories is fish meal, bean cake powder, yeast powder or extract, star...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23J3/34A23J3/04A23J3/12A23J3/14A23J3/20
CPCA23J3/34A23J3/341A23J3/345A23J3/346A23J3/347
Inventor 王金光
Owner 王金光
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