Table 3.
FRAP and Glucose diffusion of isolated theaflavin and thearubigins
| Solvents | Time | Means | ||
|---|---|---|---|---|
| 30 min | 60 min | 90 min | ||
| FRAP (theaflavin) μmol Fe2+/g | ||||
| Ethanol | 811.67 ± 10.21 | 958.33 ± 8.48 | 799.33 ± 12.31 | 856.44 ± 9.06a |
| Methanol | 698.67 ± 10.36 | 704.00 ± 8.65 | 658.67 ± 11.32 | 687.11 ± 12.03b |
| Water | 489.67 ± 10.56 | 612.25 ± 8.23 | 586.67 ± 13.01 | 562.86 ± 11.01c |
| 666.67 ± 10.54c | 758.19 ± 8.21a | 681.55 ± 9.06b | ||
| FRAP (thearubigins) μmol Fe2+/g | ||||
| Ethanol | 690.02 ± 1.23 | 845.01 ± 7.45 | 701.33 ± 12.23 | 745.44 ± 8.21a |
| Methanol | 538.67 ± 1.56 | 665.00 ± 7.49 | 591.67 ± 11.32 | 598.44 ± 11.20b |
| Water | 429.67 ± 10.23 | 537.33 ± 7.52 | 503.67 ± 10.25 | 490.22 ± 12.20c |
| 552.70 ± 10.21c | 682.40 ± 12.23a | 598.89 ± 9.12b | ||
| Glucose diffusion (theaflavin)% | ||||
| Ethanol | 90.37 ± 3.60 | 95.99 ± 6.34 | 90.88 ± 4.13 | 91.74 ± 4.16 |
| Methanol | 89.87 ± 4.21 | 93.69 ± 4.21 | 89.22 ± 6.12 | 89.96 ± 2.31 |
| Water | 87.30 ± 2.62 | 90.36 ± 5.32 | 88.40 ± 3.21 | 87.02 ± 3.12 |
| 89.18 ± 5.20 | 93.34 ± 3.12 | 89.50 ± 4.13 | ||
| Glucose diffusion (thearubigins)% | ||||
| Ethanol | 85.27 ± 2.3 | 89.99 ± 2.9 | 87.88 ± 4.2 | 87.71 ± 6.12 |
| Methanol | 83.87 ± 1.3 | 87.69 ± 3.2 | 83.22 ± 3.6 | 84.92 ± 6.42 |
| Water | 81.30 ± 3.6 | 85.36 ± 2.9 | 82.40 ± 4.2 | 83.02 ± 7.12 |
| 83.48 ± 4.32 | 87.68 ± 4.13 | 84.50 ± 6.34 | ||
Values are mean ± SD. Values in same column within each parameter with different letters were significantly different from each other (p ≤ 0. 05)