sericin
Inquiry
| Post Date: | Feb 02,2013 |
| Expiry Date: | Feb 02,2014 |
| Detailed Description: |
Cas No. :60650-89-7
Sericin is a kind of protein surrounding fibroin (silk protein), yellowy powder and soluble in water with pH value between 5 to 7 and positive ninhydrin reaction.
·Quality Index Items Index Appearance White or light jasmine powder Solubility Soluble in water Polarity Side Amino Acid/Total Amino Acids ＞70% Total Nitrogen ≥14% Weight loss on drying ≤5.0% Residue on Ignition ≤4.0% pH Value 5.0-7.0 Heavy Metal(As Pb) ≤5ppm Arsenic ≤0.5ppm Bacteria/g ≤100 Coli Group(MPN) (pieces/100g) ≤30 Pathogenic Bacteria Not detected ·Application characteristics: In sericin, about 80% of the amino acid has hydrophilic lateral groups, about 1/3 is serine whose water absorption is 50 times more than that of glycerin. So sericin, as raw material of cosmetics, has excellent moisture absorption and Anti-microbe ability. Sericin protein can generate membrane on hair surface, which has nice luster, feels well and spring, and is also suitable for hair shaping. It can prevent chemicals adhering to hair and avoid the harms to hair too. Sericin has good ability of anti-oxidation and can restrain the activity of polyhphenol oxidase (PPO) in food. It is also a good natural anti-oxidant especially for rich grease food, cream and milk products. Sericin has been widely used as the coating on chemical fiber, under-dress, bed sheet,skin-friendly products and leather products, due to its skin caring, anti-microbe, and comfort effects. |
| CAS Registry Number: | 60650-89-7 |
| Company: | Huzhou Xintiansi Bio-tech Co, Ltd. [ China ] |
| Contact: | Michael |
| Tel: | +86-572-2123171 +86-572-212787 |
| Fax: | +86-572-2127876 |
| Email: | nichaelluo23@gmail.com |
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