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silk peptide powder
Silk peptide is a kind of albumin produce, which can be obtained after hydrolysis from silk, contains 18 kinds of amino acids. It has below 2000 molecular weight can be easily absorbed by human body.
Silk peptide can be used in cosmetic as a natural material, protecting and keeping the moisture of ones skin, preventing skin cocking and aging. Its super absorbency and adsorption enable protect and care to ones hair. The function and security fibroin makes in cosmetic bears comparison with any other compound material.
Silk peptide has a bright potential be used as biomedicine remedy and biologic gas defense material.
Main index on physics, chem. and sanitation of Silk peptide Powder:
Item Index of Seri-peptide Powder liquid of silk peptide
Characteristic Powder in white or light yellow, liable to deliquesce Clear liquid in light yellow
Loss on Drying (%) <=5
Total Solid (%) 2--7
Residue on Ignition (%) <=3 <=1
PH Value (1% Aqueous Solution) 5--7 5--7
Total Nitrogen (%) >=14 0.3---0.7
Average Molecular Weight 1000---3000 500---2000
Heavy Metal (as Pb) , mg/kg <=20 <=20
Arsenicum (as As) , mg/kg <=1.5 <=1.5
Number of Aerobic Bacterial <=100 <=100
Other Pathogenis Bacteria Cant be detected Cant be detected
Package: packing by complex bag. Liquid of silk peptide packed in bottle and bucket.
Storage: kept at cool and dry place, valid for 18 months.