Complaint
1. Product name: Resveratrol
2. Active ingredient: Polydatin
3. Botanical source: Polygonum cuspidatum sibeb.et zucc.
4. CAS NO.: 27208-80-6
5. Specification: 98% Polydatin
6. Characters: White crystalline powder
7. Solubility: Easily soluble in ether,chlorofrom, methanol,ethanol,acetone etc.
8. Usage: Pharmaceuticals, healthcares,and cosmetics
1. Anti-cancer;
2. Effect on cardiovascular system;
3. Anti-bacterial and anti-fungal;
4. Nourish and protect liver;
5. Anti-oxidant and quench free-radicals;
6. Impact on the metabolism of osseous issue.
| Test/Observation | Specifications | Result |
| Assay Content % by HPLC | ≥ 98% | 98.26% |
| Characters | Powder | Complies |
| Color | White or light yellow | Complies |
| Odour | Characteristic | Complies |
| Mesh | 100 | Complies |
| Solubility | Soluble in Ethanol | Complies |
| Loss on drying % | ≤5 | 2.68 |
| Pesticides | Negative | Negative |
| Ash % | ≤1.0 | 0.46 |
| Heavy metals PPM | ≤10 | Complies |
| As AAS Pb Cd | <1ppm <1ppm <1ppm | Complies Complies Complies |
| Microbiology Total Plate Count Yeast & Mold E.Coli S. Aureus Salmonella | <1000cfu/g <100cfu/g Negative Negative Negative | 69cfu/g Negative Complies Complies Complies |
| Conclusion | Conform with specification | |
| Packing description | Sealed export grade drum & double of sealed plastic bag | |
| Storage | Store in cool & dry place not freeze., keep away from strong light and heat | |
| Shelf life | 2 years when properly stored | |
