A kind of biologically active polypeptide eintvqvtst and its preparation method and application

A bioactive peptide and drug technology, applied in the field of protein, can solve problems such as human risks, achieve the effects of reducing damage, enhancing proliferation ability, and regulating the body's immunity
CN107188949BActive Publication Date: 2019-12-24ZHEJIANG HUITAI LIFE HEALTH TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
ZHEJIANG HUITAI LIFE HEALTH TECH CO LTD
Publication Date
2019-12-24

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Abstract

The invention relates to the field of proteins, in particular to a bioactive polypeptide EINTVQVTST and a preparation method and application thereof. An amino acid sequence of the bioactive polypeptide EINTVQVTST is Glu-Ile-Asn-Thr-Val-Gln-Val-Thr-Ser-Thr. By virtue of in-vitro antioxidant experiment and in-vitro immunity promoting experiment, the polypeptide EINTVQVTST is proved to have good antioxidant bioactivity and immunity regulation function, has good antioxidant activity on one hand, and can eliminate free radicals in the body and improve the quality of life; and on the other hand, the bioactive polypeptide EINTVQVTST can improve the in-vitro proliferation capacity of lymphocyte and macrophage, promotes the macrophage to secrete cell factors, improves the capacity of the body for resisting external pathogenic infection, decreases the disease rate of the body, and has important significance for developing food, healthcare products and drugs with an immunity regulation function and an antioxidant function.
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Description

technical field

[0001] The invention relates to the field of proteins, in particular to a biologically active polypeptide EINTVQVTST and its preparation method and application. Background technique

[0002] During the fermentation process of milk by lactic acid bacteria, a part of protein in milk is metabolized and utilized by lactic acid bacteria, and a series of physiological and biochemical reactions occur, making the protein into polypeptides or free amino acids, which are digested and absorbed by the human body or absorbed and transported by small intestinal epithelial cells directly into the blood circulation of the human body. Among these peptides, some have special physiological functions and are called "bioactive peptides".

[0003] Oxidation reaction and oxidative metabolism are crucial for food and human body, and free radicals and reactive oxygen species cause a series of oxidation reactions. When excessive free radicals are formed, they will exceed the protect...

Claims

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