Table I.
Polyphenolic constituents | Polyphenon-B (%w/w) | BTF-35 (%w/w) |
---|---|---|
| ||
Epigallocatechin (EGC) | - | 0.1 |
Epicatechin (EC) | 0.4 | 0.2 |
Epigallocatechin gallate (EGCG) | 1.4 | 2.6 |
Epicatechin gallate (ECG) | 0.1 | 2.1 |
Gallocatechin gallate (GCG) | 0.2 | 0.3 |
Catechin gallate (CG) | - | 0.1 |
Catechin (C) | - | 0.1 |
Free theaflavin | 0.32 | 7.1 |
Theaflavinmonogallate-A | 0.14 | 8.3 |
Theaflavinmonogallate-B | 0.15 | 2.6 |
Theaflavindigallate | 0.24 | 9.8 |
Tannin | 35.6 | - |
Caffeine | 4.9 | 0.5 |
The composition of Polyphenon-B and BTF-35 was kindly provided by Mitsui Norin Co., Ltd., Japan.