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?Descriptions?:? ? ? ? ? ??Product?name: Fibroin protein?Extracted?part?:?WholeSpecifications?:?100% pure for cosmeticsAppearance:?White?fine powder??Introductions:?? ? ? ? ?Silk is a natural protein fiber, some forms of which can be woven into textiles. The protein fiber of silk is composed mainly of fibroin and is produced by certain insect larvae to form cocoons. The best-known silk is obtained from the cocoons of the larvae of the mulberry silkworm Bombyx mori reared in captivity (sericulture). The shimmering appearance of silk is due to the triangular prism-like structure of the silk fibre, which allows silk cloth to refract incoming light at different angles, thus producing different colors.( keratin silk protein)??Main Functions ? ? ? ?1.Mixed amino acids, a kind of highly practical nutrient substance with higher nutritive value, is produced through biochemistry technology which adopts the raw material of mulberry silk in which alanine, serine and glycine account for more than 83%;?2.Glycine and Serine of silk essence are raw materials to synthesize protein in organisms, and are also precursors for synthesis of glutathione, which has a preventive effect on cardiovascular diseases,and aging; Glycine also has an antidotal action on the detoxication of aromatic compounds which can cause ; alanine promotes the alcohol metabolism, protects the liver and prevents people from being drunk; tyrosine has a good effect on preventing senile dementia;?3.Silk amino acid is very easy to permeate the derma layer of skin and get absorbed, nurturing skin as well. Due to its action in the enzyme metabolism, silk amino acid can keep and adjust moisture, prevent skin from ultraviolet radiation, restrain splash generation, facilitate anti-aging for skin;?4.Fibroin protein contains abundant unsaturated fatty acids which occupy about 72.5% of the total fat. The unsaturated fatty acids play a very important role to maintain human well-balanced physiological function: Keep relative fl