Solvents | Time | Means | ||
---|---|---|---|---|
30Â min | 60Â min | 90Â min | ||
DPPH activity (theaflavin)% | ||||
 Ethanol | 80.21 ± 2.31 | 87.51 ± 4.21 | 82.11 ± 5.91 | 83.27 ± 1.23a |
 Methanol | 75.10 ± 2.60 | 81.08 ± 4.30 | 78.03 ± 3.60 | 78.08 ± 3.74b |
 Water | 72.37 ± 3.12 | 79.49 ± 4.92 | 75.97 ± 4.92 | 75.94 ± 2.65c |
 | 75.89 ± 3.92c | 82.69 ± 5.10a | 78.03 ± 4.31b |  |
DPPH activity (thearubigins)% | ||||
 Ethanol | 62.58 ± 3.21 | 74.26 ± 1.90 | 69.33 ± 4.01 | 68.72 ± 3.61a |
 Methanol | 60.75 ± 3.26 | 63.26 ± 1.42 | 61.03 ± 1.36 | 61.68 ± 2.69b |
 Water | 58.18 ± 4.32 | 62.03 ± 1.93 | 60.13 ± 3.02 | 60.11 ± 1.36b |
 | 60.50 ± 2.36c | 66.51 ± 1.32a | 63.49 ± 2.13b |  |
ß-carotene (theaflavin)% | ||||
 Ethanol | 63.16 ± 2.31c | 73.23 ± 3.60a | 69.85 ± 3.42b | 68.74 ± 4.31a |
 Methanol | 60.15 ± 3.62e | 67.35 ± 2.91d | 65.12 ± 4.13d | 64.20 ± 4.72b |
 Water | 59.61 ± 4.12 h | 64.16 ± 3.12 g | 61.04 ± 1.94f | 61.27 ± 2.30c |
 | 62.61 ± 3.12c | 68.91 ± 2.42a | 65.33 ± 4.22b |  |
ß-carotene (thearubigins)% | ||||
 Ethanol | 60.16 ± 2.31c | 70.23 ± 2.81a | 66.85 ± 3.10b | 63.74 ± 1.22a |
 Methanol | 58.15 ± 1.52e | 68.35 ± 2.33d | 62.12 ± 4.31d | 62.87 ± 3.20b |
 Water | 56.61 ± 2.90 h | 65.16 ± 1.92 g | 61.04 ± 3.62f | 60.93 ± 4.16b |
 | 59.30 ± 3.13c | 67.91 ± 2.31a | 63.33 ± 4.23b |  |