Solvents | Time | Means | ||
---|---|---|---|---|
30Â min | 60Â min | 90Â min | ||
Theaflavin (g/100Â g black tea) | ||||
 Ethanol | 3.11 ± 0.20 | 4.05 ± 0.19 | 3.12 ± 0.10 | 3.42 ± 0.27a |
 Methanol | 2.05 ± 0.16 | 3.25 ± 0.15 | 3.01 ± 0.08 | 2.77 ± 0.25b |
 Water | 1.99 ± 0.04 | 2.95 ± 0.19 | 2.02 ± 0.04 | 2.32 ± 0.13c |
 | 2.38 ± 0.1c | 3.41 ± 0.1a | 2.71 ± 0.1b |  |
Thearubigins (g/100Â g black tea) | ||||
 Ethanol | 12.11 ± 0.20 | 15.32 ± 0.19 | 12.12 ± 0.10 | 13.18 ± 1.07a |
 Methanol | 11.05 ± 0.16 | 13.25 ± 0.15 | 12.01 ± 0.08 | 12.10 ± 1.05b |
 Water | 8.99 ± 0.04 | 10.95 ± 0.19 | 9.32 ± 0.04 | 9.75 ± 0.42c |
 | 10.71 ± 0.4b | 13.17 ± 0.5a | 11.15 ± 0.9c |  |