Silk amino acid
- Product Introduction
Silk fibroin is hydrolyzed to obtain a water-soluble mixed amino acid with an average molecular weight of about 100. It is a white to off-white powder or a pale yellow transparent liquid. The ninhydrin reaction is positive. Properties: white
- Specifications：
- Advantages：
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Details Introduction
Silk fibroin is hydrolyzed to obtain a water-soluble mixed amino acid with an average molecular weight of about 100. It is a white to off-white powder or a pale yellow transparent liquid. The ninhydrin reaction is positive.
Properties: white or light yellow powder
PH value: 4.5-6.5
Total nitrogen (%): ≥15
Loss on drying (%): ≤4.0
Ignition residue (%): ≤3.0
Total content of glycine, L-alanine and L-serine (%): ≥83
Silk amino acids easily penetrate into the dermis of the skin, are quickly absorbed by the skin, and participate in the activities of enzymes in the body to achieve the effects of regulating humidity, moisturizing, preventing ultraviolet radiation, inhibiting melanin production, preventing skin aging and nourishing the skin.