Table 1 Composition of tea packets in the crossover tea study
Component | Green tea | Black tea |
|---|---|---|
(%, g/100 g) | (%, g/100 g) | |
Flavan-3-ols | ||
(+)-Gallocatechin | 2.5 | 0.2 |
(−)-Epigallocatechin | 8.0 | 0.4 |
(+)-Catechin | 1.2 | 0.9 |
(−)-Epigallocatechingallate | 12.1 | 0.7 |
(−)-Epicatechin | 3.0 | 0.6 |
(+)-Gallocatechingallate | 1.1 | 0.2 |
(−)-Epicatechingallate | 3.9 | 0.6 |
(+)-Catechingallate | 0.2 | <0.1 |
Theaflavins | ||
Theaflavin | - | 0.3 |
Theaflavin 3-O-gallate | - | 0.5 |
Theaflavin 3’-O-gallate | - | 0.3 |
Theaflavin 3,3’-di-O-gallate | - | 0.4 |
Caffeine | 5.4 | 7.1 |
Gallic acid | 0.2 | 0.9 |