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| Product Name: |
Sericin Powder |
| Product Origin: |
Zhejiang,China |
| Description: |
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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.
·Quality Index Items Index
Property White or light jasmine powder
Solubility Soluble in water
Polarity Collateral Amino Acid/Total Amino Acids ＞70%
Total Nitrogen ≥13.5%
Weight loss on drying ≤5.0%
Residue on Ignition ≤4.0%
PH Value 5.0-7.0
Heavry Metal（As Pb） ≤10ppm
Arsenic ≤1ppm
Bacteria/g ≤100
Coli Group（MPN）（个/100g） ≤30
Pathogenic Bacteria Not detected |
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| Company Name : |
Huzhou Xintiansi Bio-tech Co, Ltd. |
| Address : |
318#,Chuangye Road,Huzhou,Zhejiang,China
Huzhou Yunnan China |
| Zip : |
313000 |
| Tel : |
86- -572-- 2123171 |
| Fax : |
86- -572-- 2127876 |
| Website : |
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| Contact Person : |
Xu Guowen  |
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