Silk protein peptide

Silk peptide refers to the degradation of silk fibroin protein to form a water-soluble polypeptide. The molecular weight is generally between 500-10,000. When used as a food nutrient fortifier, silk peptide can prevent and reduce the body's absorption of fat and cholesterol; when used as a cosmetic additive, silk peptide can provide essential nutrients for the normal metabolism of skin and hair, thereby increasing the natural luster and elasticity of the skin and hair, its moisturizing effect and whitening effect on the skin are also very significant, and it has the characteristics of fast absorption and good film formation, which can solve various skin problems. Good water solubility, white powder, ninhydrin reaction is positive. PH value 5-7.