Tilapia Skin

Fish skin is rich in protein and a variety of trace elements. Its protein is mainly composed of macromolecular collagen and mucopolysaccharides. It is a good product for women's beauty, skin care, beauty and health care. Medical research has found that the leucine-leucine in "fish skin" Acid has an anti-cancer effect. Fish skin is rich in collagen. Each 100g of dry shark skin contains 67.1g of protein and 0.5g of fat. The protein is collagen, which is good for beauty and calcium supplement. An acid-soluble fish skin collagen is made from sea fish skin, chopped, immersed in NaCl solution to remove impurities, ethanol and acetone degreasing, and then immersed in a mixture of citric acid and acetic acid, and then centrifuged to obtain acid-soluble fish. Skin collagen solution, and then NaCl solid salt precipitation to obtain acid-soluble fish skin collagen precipitate, and finally the acid-soluble fish skin collagen precipitate is dissolved in acetic acid solution, and then in Na↓[2]HPO↓[4](PH8.6 ) Medium dialysis, or ultrafiltration through cellulose acetate hollow fiber membranes with a molecular weight of more than 60,000, and the solids obtained by dialysis or ultrafiltration are vacuum freeze-dried to obtain the product. The product is white, odorless, and spongy after freeze-drying. The purity of collagen products is ≥97%. Collagen is rich in glycine, proline and hydroxyproline, and its hydrolysate also contains physiologically active peptides. The molecular weight of collagen is greater than 60,000.

The nutritional value of fish skin is very high. Fish skin is rich in protein and a variety of trace elements. Its protein is mainly composed of macromolecular collagen and mucopolysaccharides. The leucine-leucine in fish skin has anti-cancer effects. Fish skin is rich in collagen, which is good for beauty and calcium supplementation.