| Plant material | Solvent | Antioxidant content (mg QE/100g P) |
| Leaves | Acetone | 2.438 ± 0.03a |
| Methanol | 2.152 ± 0.07a | |
| Stem barks | Acetone | 1.256 ± 0.15c |
| Methanol | 1.634 ± 0.05b | |
| Roots | Acetone | 1.674 ± 0.023b |
| Methanol | 0.934 ± 0.024c |