XAZB SUPPLY Natural Cosmetic Grade Silk Amino Acid Powder
Silk Amino Acid Powder is water-soluble mixed amino acids, also called Fibroin-90, whose average molecular weight is about 90, which is acquired after the hydrolysis of silk fibroin. White or creamy white powder, or faint yellow transparent liquid, the ninhydrin reaction is positive.
It can easily impenetrate into the dermis layer of skin, be quickly absorbed by the skin, and takes part in enzyme activities, which obtains the actions of humidity, moisturizing, UV radiation, inhibiting melanin production, preventing skin aging and nourishing the skin.
XAZB Supply the Silk Products Series | ||
Item Name | Specification | Price |
Silk Amino Acids | MW:90, Water-soluble mixed amino acids | $38.0-48.0/ kg |
Silk Peptide Powder | MW:500 and 10000,water-soluble polypeptide substance | $40.0-52.0/kg |
Sericin Powder | It is colloid protein wrapping in the outer layer of silk, soluble in water | $42.0-53.0/kg |
Silk Fibroin Powder | MW:250000.macromolecular silk fibrin in powder form,slightly soluble in water,particle size 2μm, 10um | $37.0-58.0/kg |
Project | Silk Amino Acids Powder |
Characters | Creamy white powder, easily dissolving in water and has sweet taste |
Identify | Ninhydrin reaction is positive |
Total Nitrogen (%) | ≥15 |
Drying Shrinkage (%) | ≤4 |
Residue on Ignition (%) | ≤3 |
PH Value | 4.5.0-6.5 |
Total Content of Glycine, L-Alanine, L-Serine (%) | ≥83 |
Heavy Metal (recorded with pb) /(mg/kg) | ≤5 |
Total Bacterial Count (CFU/g) | ≤100 |
Coliform (MPN) (entity/100g) | ≤30 |
Pathogenic Bacteria (Salmonella, Shigella, Staphylococcus Aureus) | Not Detectable |
1. Sericin Powder Applied in cosmetic industry,sericin powder is mainly used as the additive;
2. Sericin Powder Applied in food industry, sericin powder is easy to permeate the derma layer of skin and get absorbed, nurturing skin as well.