| ≥1 piece |
grape seed extract
Red-brownish powder
Positive reaction
| Item | Index | |
| Proanthocyanidins | % ≥ | 95.0 |
| |
% ≥ | 150 |
| pH | 2.5-4.5 | |
| Loss on drying | % ≤ | 5.0 |
| Sulphated ash | % ≤ | 0.5 |
| Heavy metals | ppm ≤ | 10 |
| Iron | ppm ≤ | 10 |
| ethyl acetate | Negtive |
| Chloroform | Negtive |
| Toluene | Negtive |
| n-Butanol | Negtive |
| Acetate | Negtive |
| Ethanol | <500 ppm |
| Total plate units | <1000units/g | Yeast and mold | <50units/g |
| Salmonella | Negtive | E.coll | Negtive |
As a dietary supplement, grape seed extract is rich in oligo-polyphenols, specifically proanthocyanidins (OPC) biologically-active flavonoids, it is a potent free radical scavenger, and strong antioxidant.
Preserve in tight, light-resistant container, store in cool place, do not freeze.
20 kg / drum, or according to order