Table 3.
The antioxidant activity of the examined extracts.
| Plant species | aIC50 (μg/mL) | |||
|---|---|---|---|---|
| DPPH scavenging activity | Inhibitory activity against lipid peroxidation | Metal chelating activity | Hydroxyl radical scavenging activity | |
| Methanol extract | 34.45 ± 1.15 | 35.36 ± 1.68 | 45.91 ± 0.88 | 89.11 ± 0.29 |
| Chloroform extract | 31.34 ± 1.10 | 29.31 ± 0.65 | 39.46 ± 0.78 | 83.34 ± 0.35 |
| Gallic acid | 3.79 ± 0.69 | 255.43 ± 11.68 | — | 59.14 ± 1.10 |
| Ascorbic acid | 6.05 ± 0.34 | >1000 | — | 160.55 ± 2.31 |
| BHT | 15.61 ± 1.26 | 1.00 ± 0.23 | — | 33.92 ± 0.79 |
| α-Tocopherol | — | 0.48 ± 0.05 | — | — |
aIC50 values were determined by nonlinear regression analysis. Results are mean values ± SD from three experiments.