sericin powder and Silk Peptide

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Origin:

China

Payment Method:

L/C

1.sericin powder---main use: cosmetic
Sericin is a kind of protein surrounding fibroin (silk protein), it''s yellowy powder, soluble in water, PH value between 5 to 7, and positive ninhydrin reaction.

2. Silk Amino Acids---main use: healthfood
made from degummed silk(fibroin) by biotechnology method,
molecular weight of 90Da, It''s soluble, PH value between 5 to 7, positive ninhydrin reaction.

3.Silk protein powder(fibroin powder)-main use:cosmetic
after special treatment silk, Using physical methods to smash, average size have 4 kinds :2micron, 5micron, 10micron, 40 micron
molecular weight: 300,000Da

4.Silk Peptide--main use:cosmetic
It's hydrolyzed silk protein (fibroin) with average molecular weight between 500-10000Da, white powder, soluble in water, its PH value between 5 to 7, positive ninhydrin reaction.

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