Also known as tea polyphenols
customizable assay 30-98%
Core structure
EGCG
EC
ECG
EGC
GC
C
| Item | Standard |
|---|---|
| Polyphenol | 30-98% (customizable) |
| Catechins | 10-90% (customizable) |
| EGCG | 10-60% (customizable) |
| Caffeine | 0.1-15% (customizable) |
| Loss on drying | ≤5.0% |
| Residue on ignition | ≤3.0% |
| Heavy metals | ≤10.0 mg/kg |
| Lead | ≤5.0 mg/kg |
| Arsenic | ≤2.0 mg/kg |
