Best Selling Resveratrol Grape Skin Extract Resveratrol Knotweed
China Best Selling Resveratrol Grape Skin Extract Resveratrol Knotweed, Find details about China Resveratrol, Grape Skin Extract from Best Selling Resveratrol Grape Skin Extract Resveratrol Knotweed
Product Information
Resveratrol (3,5,4'-trihydroxy-trans-stilbene) is a natural compound found in red grape skin, Japanese knotweed (polygonum
cuspidatum), peanuts, blueberries and some other berries. It is a powerful antioxidant produced by some plants to protect
them against environmental stresses. Antioxidants neutralize free radicals, which are believed to be the cause of aging.
Japanese knotweed is the plant source with the highest resveratrol content.
Certificate of Analysis
| Item | Specification |
| Resveratrol | 20%, 50%, 98%, HPLC |
| Appearance | Fine Powder |
| Identification | Positive, TLC |
| Solubility | Good solubility in alcohol |
| Bulk Density | 40-60g/100ml |
| Particle Size | 100%Through 80 mesh |
| Loss on Drying | ≤2.0%, 5g / 105ºC / 2hrs |
| Ash content | ≤2.0%, 2g / 525ºC / 2hrs |
| Solvent Residue | Eur.Pharm 2000, Gas Chromatography |
| Total Heavy Metals | ≤10ppm, Atomic Absorption |
| Arsenic | ≤0.5ppm, Atomic Absorption |
| Lead | ≤1.0ppm, Atomic Absorption |
| BHC | ≤0.1ppm, Gas Chromatography |
| DDT | ≤0.1ppm, Gas Chromatography |
| PCNB | ≤0.1ppm, Gas Chromatography |
| Total Plate Count | ≤1000cfu/g |
| Total Yeast & Mold | ≤100cfu/g |
| E.Coli | Negative |
| Salmonella | Negative |
Application
1) Pharmaceutical as capsules or pills;
2) Functional food as capsules or pills;
3) Water-soluble beverages;
4) Health products as capsules or pills.
| Items | Specification |
| Odor | Characteristic |
| Taste | Characteristic |
| Mesh size | Pass 80 mesh |
| Loss on drying | ≤5% |
| Heavy metals | <10ppm |
| As | <1ppm |
| Pb | <3ppm |
| Total Plate Count | <5000cfu/g |
| Yeast & Mold | <500cfu/g |
Production line:
Lab:
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Certificate:
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