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Process for preparing pepton

A preparation process and process technology, applied in the field of milk peptide preparation technology, can solve the problems of low enzymatic hydrolysis degree and incomplete hydrolysis, and achieve the effects of wide application, thorough hydrolysis process and high yield.

Inactive Publication Date: 2008-02-27
灵武市泰运生化制品有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the prior art, there is no method for producing milk peptides by using milk, milk powder, etc. Chinese patents CN1334037A, CN1185960C, and CN1046191C disclose the preparation methods of polypeptide bone powder, small peptide bone paste, and polypeptide health nutrition products. method, but the raw materials used are different from the milk and milk powder used to prepare milk peptides, and the products produced are also different. The enzymes used in the process have a low degree of enzymatic hydrolysis and incomplete hydrolysis

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] Prepare 10 kg of milk and 90 kg of milk powder.

[0018] Formulate milk powder into 15% aqueous solution, mix with milk, adjust pH8. Add 1 / 2 of the total dosage each time. After hydrolysis for 2 hours, the first hydrolyzate was obtained.

[0019] The pH value of the first hydrolyzate was adjusted to 8, and the compound protease (direct purchase) produced by Ningxia Lingwu Taiyun Biochemical Products Co., Ltd. was added for enzymolysis. Measure protein content 3% in milk, protein content in milk powder is 15%, the protein total amount that contains in the raw material is 13.8 kilograms, actually add compound protease 27.6 grams, when adding compound protease, add on average 3 times according to hydrolysis time, every time Add 1 / 3 of the total amount. Enzymolysis for 3h. After enzymolysis, the enzyme is decolorized at 85°C for 10 minutes; after the enzyme is deactivated, the temperature is lowered to 60°C, and 207 grams of activated carbon is added for decolorization ...

Embodiment 2

[0021] Prepare 90 kg of milk and 10 kg of milk powder.

[0022] Formulate milk powder into 10% aqueous solution, mix with milk, adjust pH9 with 30% sodium hydroxide solution, add papain 1.52 kg (0.8%*190 kg) at 50 ° C, when adding papain, divide according to hydrolysis time Add 3 times, adding 1 / 3 of the total dosage each time. After hydrolysis for 3 hours, the first hydrolyzate was obtained;

[0023] The pH value of the first hydrolyzate was adjusted to 9, and the compound protease (direct purchase) produced by Ningxia Lingwu Taiyun Biochemical Products Co., Ltd. was added for enzymolysis. Determination of protein content 3% in milk, protein content in milk powder is 15%, the protein total amount that contains in the raw material is 4.2 kilograms, actually adds compound protease 33.6 grams (0.8%). When adding compound protease, add in 4 times on average according to the hydrolysis time, and add 1 / 4 of the total amount each time. Enzymolysis 4h. After enzymatic hydrolysis,...

Embodiment 3

[0025] Prepare 50 kg of milk and 50 kg of milk powder.

[0026] Make milk powder into 20% aqueous solution, mix it with milk, adjust pH 10.5 with 40% sodium hydroxide solution, add 3 kg of trypsin and papain at 65°C (1%*300 kg), add trypsin and papaya For protease, add 4 times on average according to the hydrolysis time, adding 1 / 4 of the total amount each time. Among them, 0.6 kg of trypsin and 2.4 kg of papain. After hydrolysis for 4 hours, the first hydrolyzate was obtained.

[0027] The pH value of the first hydrolyzate was adjusted to 10, and the compound protease (direct purchase) produced by Ningxia Lingwu Taiyun Biochemical Products Co., Ltd. was added for enzymolysis. Determination of protein content 3% in milk, protein content in milk powder is 15%, the protein total amount that contains in the raw material is 9 kilograms, actually adds 90 grams (1%) of compound protease. When adding compound protease, add it in 5 times on average according to the hydrolysis time,...

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PUM

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Abstract

The present invention provides a preparation process of milk peptide. Said invention adopts biological enzymolysis method, and uses fresh milk and milk powder as raw material, so that it is low in cost, and it applicable to industrial production.

Description

technical field [0001] The invention relates to the field of biological products, in particular to a preparation process of milk peptides. Background technique [0002] Breast milk is the most ideal natural food for infants, and cow's milk is the main breast milk food for infants and young children. However, there are differences in the composition of cow's milk protein and breast milk protein. Casein in cow's milk forms larger clots in the stomach, which can easily lead to indigestion in infants and young children, causing diarrhea and other symptoms. β-lactoglobulin in milk can cause allergic reactions in infants and young children, especially some infants and young children with family history of allergies can cause allergies. It is reported in the literature that the incidence rate of milk allergy is 0.3%-7%, and its symptoms are atopic dermatitis on the skin, rhinitis and wheezing on the respiratory system. Studies by Maubois and Nil have shown that milk peptides (mil...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C12P21/02A23J1/20A23J3/34
Inventor 卢斌马相林张炬才马学礼王继军
Owner 灵武市泰运生化制品有限公司