Table 2.
DPPH, •OH, and O2− radical scavenging activities of A. distichum-derived acteoside.
| Treatment (μg/mL) |
DPPH (%) | •OH (%) | O2− (%) | |||
|---|---|---|---|---|---|---|
| Acteoside | l-Ascorbic Acid | Acteoside | l-Ascorbic Acid | Acteoside | l-Ascorbic Acid | |
| 1 | 15.60 ± 2.00 e | 70.04 ± 3.40 c | 62.40 ± 0.84 e | 56.92 ± 1.31 e | 3.60 ± 0.18 d | 6.63 ± 1.82 c |
| 2.5 | 33.12 ± 2.19 d | 82.94 ± 3.60 b | 80.41 ± 0.27 d | 68.94 ± 0.95 d | 9.44 ± 0.95 c | 6.66± 2.24 c |
| 5 | 59.90 ± 1.76 c | 94.15 ± 2.73 a | 86.08 ± 0.11 c | 73.29 ± 1.67 c | 9.89 ± 0.38 c | 7.20 ± 1.76 c |
| 10 | 76.25 ± 3.32 b | 93.63 ± 2.14 a | 87.52 ± 0.27 b | 80.30 ± 1.05 b | 15.71 ± 0.61 b | 10.43 ± 2.80 b |
| 25 | 82.84 ± 1.65 a | 94.74 ± 3.60 a | 89.46 ± 0.85 a | 89.95 ± 0.47 a | 30.31 ± 0.34 a | 17.68 ± 3.62 a |
The values represent the mean ± SD. Different letters (a–e) indicate significant differences (p < 0.05), as determined by Duncan’s multiple range test. L-Ascorbic acid was used as a positive control.