Table 3.
Catechin and Caffeine Contents of Corban Complex GTB used in the MGTT, Minnesota, 2009–2014
| Component | Quantity per Capsulea,b (mg) | Dose per Daya (mg) | Quantity per Capsule (%) |
|---|---|---|---|
| Total catechins | 328.8 (28.9) | 1315.3 (115.4) | 80.7 |
| - Epigallocatechin (EGC) | 26.7 (29.7) | 106.8 (118.8) | 6.6 |
| - Catechin | 3.8 (2.1) | 15.2 (8.4) | 0.9 |
| - Epicatechin (EC) | 26.8 (5.9) | 107.2 (23.4) | 6.6 |
| - Epigallocatechin Gallate (EGCG) | 210.7 (11.0) | 842.8 (44.1) | 51.7 |
| - Gallocatechin Gallate (GCG) | 8.4 (1.8) | 33.6 (7.3) | 2.1 |
| - Epicatechin Gallate (ECG) | 50.6 (18.5) | 202.4 (74.0) | 12.4 |
| - Catechin Gallate (CG) | 1.1 (0.5) | 4.2 (1.9) | 0.3 |
| - Gallocatechin (GC) | 1.3 (1.4) | 5.1 (5.6) | 0.3 |
|
| |||
| Caffeine | 3.9 | 15.8 | 1.0 |
Abbreviations: GTB, green tea blend; MGTT, Minnesota Green Tea Trial.
a
Values are presented as means (SD) from eight batches. Catechin analyses were conducted by Covance Laboratories (Madison, WI).
b
Each capsule’s entity fill weight equals to 407.3 mg.