| ITEMS | STANDARD |
| Appearance | Purple?red?powder |
| Odor | Characteristic |
| Tasted | Characteristic |
| Assay | 30%,?50%?Polyphenol?(Folin-C)0.5%,?5%?Resveratrol?(HPLC) |
| Extract?Solvent | Ethanol?&?Water |
| Sieve?Analysis | 100%?pass?80?mesh |
| Loss?on?Drying | =<5.0% |
| Ash? | =<5.0% |
| Heavy?Metal | =<20ppm |
| Arsenic | =<2ppm |
| Lead | =<2.0ppm |
| Total?Plate?Count |
< 1000cfu/g |
| Yeast?&?Mold |
< 100cfu/g |
| E.Coli | Negative |
| Salmonella | Negative |
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Address: Foodchem Building,2277 Zuchongzhi Road, Zhangjiang Hi-Tech Park,Shanghai,201203,China
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