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Method of preparing metal-chelating peptide by utilizing enzyme to synergistically hydrolyze microalgae protein

A metal chelating peptide, enzymatic hydrolysis technology, applied in the biological field, can solve problems such as zinc deficiency, zinc absorption and metabolism limitation

Active Publication Date: 2014-06-25
FUZHOU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Although zinc sources are very abundant in nature, the absorption and metabolism of zinc in the human body is restricted by various factors. Zinc deficiency has become a public health problem in my country and many developing countries.

Method used

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  • Method of preparing metal-chelating peptide by utilizing enzyme to synergistically hydrolyze microalgae protein
  • Method of preparing metal-chelating peptide by utilizing enzyme to synergistically hydrolyze microalgae protein

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Experimental program
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Embodiment 1

[0017] The preparation method is as follows:

[0018] 1 Optimization of enzymatic hydrolysis conditions for marine-sourced proteins

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Abstract

The invention provides a metal (Ca, Fe, Zn)-chelating peptide, specifically relates to a method of preparing metal-chelating peptide by utilizing enzyme to synergistically hydrolyze microalgae protein, and belongs to the biological technical field. Metal-chelating peptide is obtained by taking microalgae protein as a material, compounding compound protease with flavourzyme to carry out enzymolysis on the microalgae protein, separating and purifying, freezing and drying, wherein an amino acid sequence of the obtained peptide is as follows: eeplp. Amino acid and a small peptide have effect of promoting zinc absorption; and biological utilization of metal complex such as Fe and Zn of the amino acid or peptide is higher than that of an inorganic salt, and free of toxic and side effect. And therefore, research and development on the biostate zinc-protein zymolyte chelating zinc are of great importance.

Description

technical field [0001] The invention relates to a metal (Ca, Fe, Zn) chelating peptide, in particular to a method for preparing a metal chelating peptide by synergistically hydrolyzing microalgal proteins with enzymes, and belongs to the field of biotechnology. Background technique [0002] Bioactive peptides derived from microalgae proteins have extremely high nutritional value, food safety and physiological health functions, and play an important role in promoting the growth, development and disease prevention of the body. They can be used as functional foods or food additives or even Drugs are applied to people's daily life. [0003] Calcium deficiency is a global nutritional problem. Because our people mainly eat plant-based diets, the phenomenon of calcium deficiency is even more serious. Therefore, calcium supplementation has become an important topic in the study of dietary nutrition in our country. Traditional inorganic calcium salts, such as calcium carbonate, calc...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C07K7/06C07K1/20C07K1/18C07K1/16C12P21/06
Inventor 汪少芸邵彪林彬彬方卫东赵立娜廖兰洪晶
Owner FUZHOU UNIV
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