| Product Name | Tea Polyphenols |
| CAS NO. | 84650-60-2 |
| Molecular formula | C22H18O11 |
| Molecular weight | 458.37 |
| structural formula |  |
TEST STANDARD
| Characteristic | Specification |
|---|---|
| Appearance | Light yellow to light brown |
| Moisture | ≤6.0% |
| Ash | ≤2.0% |
| Particle size | NLT 99% pass 80 mesh |
| Polyphenols | 98%min, 95%min, 90%min, 80%min, 50%min |
| Catechin | 80%min, 75%min, 70%min, 60%min, 30%min |
| EGCG | 50%min, 45%min, 40%min, 30%min, 15%min |
| Caffeine | 0.5%-5% |
| Heavy metals (ppm) | ≤10.0 |
| Lead (ppm) | ≤5.0 |
| Arsenic (ppm) | ≤3.0 |
| Cadmium(ppm) | ≤1.5 |
| Mercury(ppm) | ≤0.2 |
| Total Bacteria(cfu/g) | ≤10, 000 |
| Yeast&Mold(cfu/g) | ≤100 |
| E.coli | Negative |
| Salmonella | Negative |
