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Contents of total polyphenols, flavan‐3‐ols, theaflavins, and caffeine in tea extracts (g/kg)
| Tea extract | ||
|---|---|---|
| GTE | BTE | |
| Total polyphenols | 417 | 374 |
| Flavan‐3‐ols | ||
| Epicatechin (EC) | 28 | 4 |
| Epigallocatechin (EGC) | 123 | 3 |
| Epicatechin‐3‐gallate (ECG) | 25 | 15 |
| Epigallocatechin‐3‐gallate (EGCG) | 99 | 13 |
| Theaflavins | ||
| Theaflavin (TF) | 2 | 5 |
| Theaflavin‐3‐gallate (TF3G) | 0 | 11 |
| Theaflavin‐3′‐gallate (TF3′G) | 0 | 6 |
| Theaflavin‐3,3′‐digallate (TFdiG) | 0 | 13 |
| Caffeine | 5 | 9 |
