Current page: Home > Cosmetics IngredientsCosmetics Ingredients
CAS No.: 96690-41-4
Purity: 99.0%
Use: for cosmetics use
Silk Peptide
Product Name: Silk Peptide
Appearance: Off-white powder
Total Nitrogen (%):≥14.5
Average Molecular Weight (Da): 500-2000D
Description:
Silk Peptide Powder is extracted from Silkworm Pupa with biotechnology. It contains 18 kinds of amino acids. Among them, especially eight kinds of amino acids which are essential for human body own high content in our product, approx twice higher than pork, 10 times higher than milk. It owns balance nutrition and appropriate proportion.
Function:
1, Making skin smooth, delicate,ruddy and rich flexibility.
2, Preserving wet; nutrition supplements.
3, Checking melanin.
4, Protecting hair.
5, preventing skin wrinkles and skin injury
Specification:
Items |
Index |
Appearance |
White powder, deliquescence in air, none special odor. |
Differentiation |
Positive ninhydrin reaction |
Total nitrogen |
≥14.5% |
Weight Loss on drying |
≤4.0% |
Residue on ignition |
≤3.0% |
pH value |
4.5-6.5 |
Average Molecular Weight |
500-2000D |
Solid Content |
|
Heavy Metal (as Pb) |
≤5.0ppm |
As |
≤1.0ppm |
Bacteria |
≤100/g |
Coli Group(MPN) |
≤30/100g |
Pathogenic Bacteria |
No detection |
Packing:1kg/bag,25kg/drums.
Storage: in cool place