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Method for preparing polypeptide nutrient

A reactant and physical technology, applied in the field of preparation of polypeptide nutrients, can solve the waste of marine biological resources and other problems, and achieve the effect of improving blood quality and enhancing immunity

Inactive Publication Date: 2007-07-11
大连玉璘企业集团有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This is undoubtedly a waste of a large amount of precious marine biological resources

Method used

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Examples

Experimental program
Comparison scheme
Effect test

example 1

[0028] Take 10kg of fresh sea dragon and clam, wash and remove the shell to get 13kg of fresh flesh of sea dragon clam, put it in a 200L enzymolysis reaction kettle, add 20kg of water, start heating, and add compound protease when it reaches 48°C, the compound protease accounts for the enzymatic hydrolysis reaction 2.3% of the substrate, and kept stirring for 4 hours, using an ultra-high temperature instant sterilizer to inactivate the enzyme under the condition of 140°C / s, and then centrifuged to remove slag to obtain 30kg of the enzymolysis supernatant, with a degree of hydrolysis of 90%. The ratio of free arginine to hydrolyzate is about 5%, and 30kg of arginine hydrolyzate is obtained.

[0029] Get each 10kg of fresh and living bodies of sea cucumber and starfish, remove the viscera of sea cucumber, and get 10kg of flesh from the shell of starfish. After chopping, put it in a 200L enzymolysis reaction kettle, add 15kg of water, stir, heat at 50°C and stir at a constant tem...

example 2

[0036] According to the technical process of example 1, get dried sea cucumber 2kg and add purified water to rehydrate to 10kg, dry sea cucumber 8kg to add purified water to rehydrate to 20kg, frozen oyster meat 10kg, scallop meat 20kg, mussel meat 20kg, 10kg, clam meat 10kg, add appropriate proportion of water and protease, respectively obtain arginine, proline, partic acid, leucine, lysine hydrolyzate 150kg by compound enzymatic hydrolysis method, dilute to 550kg, and then Ultrafine membrane separation, desalination, decolorization, vacuum low-temperature concentration, crystallization, embedding, and drying into 26kg of 24% marine gold 5-peptide finished product.

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PUM

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Abstract

Disclosed is a process for preparing 5-peptide product, which comprises obtaining arginine hydrolysate, proline hydrolysate, aspartate hydrolysate, leucine hydrolysate and lysine hydrolysate through complex enzyme decomposition, employing hyperfiltration membrane to separate and reclaim 5000-1000D liquids containing rich amino acid 5-peptide molecular structures such as praline, arginine, aspartate, lycine, and leucine, then carrying out desalination, decolorization, crystallizing, embedding and drying into fine powders.

Description

Technical field: [0001] The invention relates to a method for separating and obtaining pentapeptides composed of amino acids such as arginine, proline, leucine, lysine and aspartic acid by using marine organisms. Background technique: [0002] The protein and amino acid content in marine organisms is very rich. Because these organisms live in a liquid and alkaline environment, the molecular structure of their amino acids and fatty acids is different from that of organisms living in the air. It plays an important role in enhancing human immunity and improving blood circulation. But it has not been fully understood and utilized by people so far. This is undoubtedly a waste of a large amount of valuable marine biological resources. Invention content: [0003] The purpose of the present invention is to provide a preparation method for separating and extracting pentapeptides composed of amino acids such as arginine, proline, leucine, lysine and partic acid from marine organis...

Claims

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Application Information

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IPC IPC(8): A23J1/04A23J3/34
Inventor 李长青王庆玉王云华任方方王红
Owner 大连玉璘企业集团有限公司
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