Table 1.
Total amounts and antioxidant capacities (DPPH• and ABTS•+) of organs (leaf, flower, fruit, twig, and root) extracts.
| Total Extracts | Organs | ||||||
|---|---|---|---|---|---|---|---|
| Leaf | Flower | Fruit | Twig | Root | |||
| 80% EtOH (mg/g dried sample) | 27.2 | 16.0 | 40.0 | 24.2 | 2.4 | ||
| 100% MeOH (mg/g dried sample) | 14.8 | 14.0 | 25.6 | 24.0 | 1.6 | ||
|
Radical
activity |
Total extract | Con. (μg/mL) | |||||
|
DPPH (%) |
80% EtOH | 10 | 90.28 ± 9.55 * | 101.43 ± 2.60 ** | 94.37 ± 10.73 | 94.00 ± 15.47 | 98.09 ± 3.09 * |
| 100 | 64.16 ± 2.91 | 53.46 ± 3.57 | 78.43 ± 6.59 | 68.25 ± 9.42 | 68.25 ± 6.12 | ||
| 100% MeOH | 10 | 95.12 ± 0.85 * | 101.97 ± 0.93 | 95.03 ± 5.72 * | 101.49 ± 2.04 ** | 100.60 ± 1.49 | |
| 100 | 70.20 ± 2.46 | 77.09 ± 6.39 | 83.73 ± 0.49 | 78.15 ± 3.96 | 76.57 ± 1.48 | ||
| Ascorbic acid | 10 | 49.15 ± 0.21 ** | 49.15 ± 0.21 ** | 49.15 ± 0.21 ** | 49.15 ± 0.21 ** | 49.15 ± 0.21 ** | |
| 100 | 3.91 ± 0.00 ** | 3.91 ± 0.00 ** | 3.91 ± 0.00 ** | 3.91 ± 0.00 ** | 3.91 ± 0.00 ** | ||
|
ABTS•+ (%) |
80% EtOH | 10 | 95.57 ± 0.34 * | 98.76 ± 1.34 * | 95.76 ± 1.98 * | 94.39 ± 0.70 * | 93.84 ± 0.62 ** |
| 100 | 63.09 ± 1.17 * | 77.18 ± 0.23 * | 65.97 ± 0.47 * | 58.53 ± 1.03 * | 47.13 ± 0.42 ** | ||
| 100% MeOH | 10 | 96.76 ± 0.96 * | 98.39 ± 0.72 | 96.03 ± 0.48 * | 95.85 ± 0.28 ** | 93.25 ± 2.33 ** | |
| 100 | 65.74 ± 0.28 * | 83.25 ± 1.06 | 67.20 ± 0.36 * | 61.18 ± 0.63 ** | 43.52 ± 0.72 ** | ||
| Ascorbic acid | 10 | 33.92 ± 0.49 ** | 33.92 ± 0.49 ** | 33.92 ± 0.49 ** | 33.92 ± 0.49 ** | 33.92 ± 0.49 ** | |
| 100 | 2.85 ± 0.62 ** | 2.85 ± 0.62 ** | 2.85 ± 0.62 ** | 2.85 ± 0.62 ** | 2.85 ± 0.62 ** | ||
The data are expressed as the mean ± SD (n = 3) of three individual experiments. Control was prepared with same conditions with the amount of sample replaced by addition of ethanol. * p < 0.05, ** p < 0.01 (Dunnett’s multiple comparisons test) compared to the control, nonparametric one-way ANOVA.