Resveratrol is a natural polyphenol compound that is mainly found in grape skins, red wine, berries, and peanuts. It has potential antioxidant and anti-inflammatory effects.
GET A QUOTEResveratrol exhibits significant biological activity, possessing pharmacological effects such as anti-tumor, cardiovascular protection, antioxidant, antibacterial, antiviral, hepatoprotective, anti-inflammatory, and immunomodulatory properties. It can also be used as a dietary supplement for health maintenance and disease prevention. Resveratrol inhibits tyrosinase, monophenolase, and diphenolase, and has a skin-whitening effect, making it suitable for use in cosmetics.
| CERTIFICATION OF ANALYSIS | ||||||||
| Product Name: Resveratrol Report Date: 2025.05.21 | ||||||||
| Manufacture Date: 2025.05.21 Retest Date: 2027.05.20 | ||||||||
| Batch No.: 20250521 Quantity: 500kg | ||||||||
| Item | Specification | Result | ||||||
| Appearance | Off-white or yellowish powder | Conforms | ||||||
| IR | Spectrum must conform | Conforms | ||||||
| HPLC | Retention time must | Conforms | ||||||
| Emodin | Not more than 0.10% | Not detected | ||||||
| Cis-resveratrol | Not more than 0.10% | Not detected | ||||||
| Single impurity | Not more than 0.10% | 0.03% | ||||||
| Total impurities | Not more than 0.50% | 0.05% | ||||||
| Heavy metals | Not more than 10ppm | Conforms | ||||||
| Lead | Not more than 0.5ppm | Conforms | ||||||
| Cadmium | Not more than 1ppm | Conforms | ||||||
| Arsenic | Not more than 1ppm | Conforms | ||||||
| Mercury | Not more than 0.1ppm | Conforms | ||||||
| Particle size | 95% through 80mesh | Conforms | ||||||
| Residual solvents（Ethanol） | Not more than 1000ppm | 356ppm | ||||||
| Total Plate Count | Not more than 1000cfu/g | Conforms | ||||||
| Yeast and Mould | Not more than 100cfu/g | Conforms | ||||||
| E.Coli | Negative/10g | Negative | ||||||
| Pseudomonas | Negative/10g | Negative | ||||||
| Salmonella | Negative/10g | Negative | ||||||
| Loss on drying | Not more than 0.50% | 0.07% | ||||||
| Residue on ignition | Not more than 0.50% | 0.06% | ||||||
| Assay | 99.0% to 101.5% | 99.95% | ||||||
| Conclusion : | The Products Conforms to In-House standard. | |||||||
| Packing info&Storage condition | 25KG/ Drum, packed with 2-tier polyethylene bag as inner. Keep container dry and tightly closed;Keep in a cool well-ventilated place;Keep away from heat and oxidizing agents. |
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