A kind of peanut antioxidant polypeptide and preparation method thereof

An antioxidant polypeptide and antioxidant technology, applied in the biological field, can solve the problems of insufficient peanut bioavailability and safety defects, and achieve the effects of improving the low economic benefit of protein and alleviating side effects.
CN113185575BActive Publication Date: 2022-07-12SICHUAN UNIV
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
SICHUAN UNIV
Publication Date
2022-07-12

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Abstract

The invention discloses a peanut antioxidant polypeptide and a preparation method thereof. The amino acid sequence of the antioxidant polypeptide is Pro-Gly-Cys-Pro-Ser-Thr. Taking peanut as raw material, using pepsin for enzymatic hydrolysis, separation, purification and freeze-drying to obtain antioxidant polypeptide. The antioxidant polypeptide of the present invention alleviates the possible side effects caused by artificial antioxidants, and provides a new natural antioxidant, which can replace traditional synthetic food antioxidants.
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Description

technical field

[0001] The invention belongs to the field of biotechnology, and in particular relates to a peanut antioxidant polypeptide and a preparation method thereof. Background technique

[0002] Oxidation is a process in which all organisms form free radicals in the process of oxidative metabolism, which is necessary for the development of some important functions of organisms. Common reactive oxygen species include hydroxyl radicals, superoxide anion radicals and hydrogen peroxide. Excessive accumulation of reactive oxygen species leads to oxidative damage to cellular biomolecules, such as DNA fragmentation, protein denaturation, and membrane lipid peroxidation, and is associated with a variety of human diseases, including cancer, cardiovascular disease, and neurodegenerative diseases. In addition, in food, oxidation will not only cause nutrient loss, rot, and odor, resulting in a decline in food quality, but also affect the health of the ingested in severe cases. T...

Claims

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