As an important natural resource, the production and processing of tilapia is mainly based on the export of frozen fish meat. As by-products, important resources such as unused fish skin and fish bones are very rich in protein components, especially the tilapia fish scales and skin have rich collagen.

Collagen is the main structural protein of vertebrates, accounting for about 30% of the total protein. Observing the functional products and health care products used in daily life, it is found that most of the products contain collagen, but from a biological and medical point of view, the molecular weight of collagen is very high.

It is found that collagen can be hydrolyzed by appropriate protease to form collagen peptides, so as to solve the problem that the molecular weight of collagen is too high and difficult to absorb. And after experiments, it was found that collagen peptides have a lower molecular weight, which can absorb better effects.

Function:

1. Antioxidant

Different types of fish collagen peptides are prepared as substances with good antioxidant activity, which are more safe and more nutritious than artificially synthesized materials, so they are more popular in medicine.

2. Improve Immunity

The molecular weight of the polypeptide is controlled between 280-1000Dal. From the perspective of biology, this polypeptide has very good biological activity and can promote the proliferation, differentiation and maturation of lymphocytes.

In summary, collagen peptides, as an antioxidant activity, are good for skin whitening, anti-aging, anti-wrinkle, etc.

At this stage, with the continuous improvement of people’s production level and living needs, the demand for collagen peptides is also increasing year by year, especially the biological activity of peptides is very good, not only widely used in functional food, nutritonal supplement and food additives, but also in cosmetic beauty , solid drink and healthcare supplement.

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