Product name | Polyphenon | Sunphenon | ||
70S | EGCg | BG-3 | 90S | |
Lot No. | 1008271 | 207051 | 210041 | 207311 |
Catechins content(a)/wt% | ||||
(+)-Catechin | 2.2 | 0.1 | 2.7 | 1.4 |
(−)-Epicatechin | 7.5 | 0.6 | 7.9 | 4.5 |
(−)-Gallocatechin | 6.6 | - | 4.6 | 2.3 |
(−)-Epigallocatechin | 18.2 | - | 16.2 | 3.8 |
(−)-Catechin gallate | 0.7 | - | - | 0.8 |
(−)-Epicatechin gallate | 8.9 | 3.9 | 7.4 | 11.9 |
(−)-Gallocatechin gallate | 4.1 | 0.3 | 2.7 | 7.5 |
(−)-Epigallocatechin gallate | 32.0 | 92.1 | 51.2 | 46.8 |
Total catechin content(a) | 80.2 | 96.8 | 92.6 | 78.9 |
Total polyphenol content(b) | /(c) | ≈100 | 90.8 | 92.0 |