Product Name: Grape Seed Extract
Active ingredient: Oligomeric Proantho Cyanidins(OPC)
Specification:95%
Test Method: UV
Part of used: Seed
Appearance: Red brown powder
CAS NO.:84929-27-1
Molecular Formula: C30H12O6
Molecular Weight: 468.42
|
Item |
Specification |
Method Result |
|
Assay (Based on Drying) |
Polyphenol 95% |
UV |
|
Proanthocyanidins 95% |
UV |
|
|
Physical standards |
||
|
Appearance |
Fine Powder |
Visual |
|
Color |
Reddish Brown |
Visual |
|
Odor |
Characteristic |
Organoleptic |
|
Identification |
Identical to R.S Sample |
Cph |
|
Loss on Drying |
≤5.0% |
Cph |
|
Ash |
≤5.0% |
Cph |
|
Mesh Size |
≥95% (80 mesh size) |
Cph |
|
Chemical Standard |
||
|
Total Heavy Metal |
≤10ppm |
Atomic Absorption |
|
Pb |
≤2ppm |
Atomic Absorption |
|
As |
≤1ppm |
Atomic Absorption |
|
Hg |
≤0.2ppm |
Atomic Absorption |
|
Cd |
≤0.5ppm |
Atomic Absorption |
|
Pesticide Residue |
Meet EP or USP standards |
EP396 or USP37 |
|
Microbiological standards |
||
|
Total Plate Count |
≤1000cfu/g (AOAC) |
|
|
Yeast&Mold |
≤100cfu/g (AOAC) |
|
|
E.Coli.< |
||
Suzhou Quanhui Bio-technology Co., LTD
Address: Rm 904, Ruifeng building, No.333, Huayuan Dong Rd, Mudu ,
Wuzhong District, Suzhou , Jiangsu, China
Zip Code: 215101
TEL: 0512-66368286
FAX：0512-66368287
