CAS number： 989-51-5
Molecular formula： C22H18O11
molecular weight： 458.3717
Chemical structure：
COA
| ITEM | STANDARD |
| Appearance | Light yellow powder |
| Sieve Analysis | 98.0 min pass 80mesh |
| Moisture(%) | 5.0 max |
| Total Ash (%) | 5.0 max |
| Bulk Density (g/100ml) | / |
| Total Tea Polyphenols (%) | 95.0 min |
| Total Catechins (%) | 75.0 min |
| EGCG (%) | 40.0 min |
| Caffeine (%) | |
| Total Arsenic (mg/kg) | 1.0 max |
| Lead (mg/kg) | 5.0 max |
| Aerobic Plate Count (CFU/g) | 1000 max |
| Enumeration of Coliforms (MPN/g) | 3 max |
| Enumeration of Moulds and Yeast (CFU/g) | 100 max |
Details
It is a kind of light yellow or yellow-brown powder, which has bitter taste but good solubility in water or aqueous ethanol. It is extracted by advanced technology with high purity, good color and reliable quality.Tea polyphenols is a kind of natural complex which has strong abilities of anti-oxidation, eliminating free radicals, anti-cancer, adjusting the lipid of blood, preventing cardiovascular and cerebrovascular diseases and anti-inflammation. Therefore, it is widely applied in food, health care products, medicine, cosmetics and so on
