Andrias davidianus collagen peptide, preparation method of andrias davidianus collagen peptide, and preparation containing andrias davidianus collagen peptide

Abstract

The invention relates to the technical field of deep processing of andrias davidianus, and in particular relates to andrias davidianus collagen peptide, a preparation method of the andrias davidianuscollagen peptide, and a preparation containing the andrias davidianus collagen peptide. Raw materials of andrias davidianus, fat and non-collagen protein of which are removed, are subjected to three-stage enzymolysis of alkaline protease, neutral protease and flavourzyme in sequence; then, enzymolysis substances are filtered and refined to obtain the andrias davidianus collagen peptide; the average molecular weight of the andrias davidianus collagen peptide is below 1000 Da; the protein content is above 95%; the ash content is below 2%; furthermore, the andrias davidianus collagen peptide hasa function of improving skin cell proliferation; the content of small molecule active peptide is high; and thus, the andrias davidianus collagen peptide can excellently promote skin cell proliferativeactivity. The invention further provides a composition containing the andrias davidianus collagen peptide and vitamin C or animal and plant extracts rich in vitamin C, and a preparation thereof; andthe composition and the preparation thereof can improve the skin cell activity and proliferative capability, and effectively relieve skin aging, adermotrophia and the like.

Description

technical field [0001] The invention relates to the technical field of giant salamander deep processing, in particular to a giant salamander collagen peptide, its preparation method, application, composition and preparation containing the giant salamander collagen peptide. Background technique [0002] The giant salamander (Andrias davidianus) is a tailed amphibian belonging to the family Cryptogillidae and the genus Giant salamander, also known as the giant salamander. Collagen is a fibrous protein whose main constituents are amino acids, which are hydrolyzed to produce collagen peptides and by-product amino acids. In recent years, collagen peptides have been increasingly used in various skin care products, health products, medicines and foods due to their significant biological functional activities. The skin and meat of giant salamanders are rich in collagen. In addition to the general collagen peptide's many physiologically active functions such as replenishing water, ...

AI Technical Summary

Problems solved by technology

[0004] The composition of polypeptide products after enzymatic hydrolysis of giant salamander collagen is very complex, including functionally active peptides with known or unknown sequences, but also a large number of peptides that do not have the target effect or even any substantial effect. The existence of these peptides will interfere with The absorption and utilization of functionally active peptides form a competitive relationship, which is not conducive to the absorption and utilization of functionally active peptides

On the other hand, active peptides with specific functions often contain multiple peptides with different amino acid compositions and molecular weights, and it is difficult to distinguish them by some common features

The present invention found that although collagen peptides with smaller molecular weights can be obtained through suitable single enzymatic hydrolysis or compound enzymatic hydrolysis, it is often difficult to ensure the content and activity of peptides with specific functions

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