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Free radical scavenging activity of the flower, leaf and wood extracts by the ABTS and DPPH assays. Hydroxyquinone was included as positive control.
| Antioxidant activity | EC50 (µg/mL) | |||
|---|---|---|---|---|
| Flower | Leaf | Wood | Hydroxyquinone | |
| ABTS | 20.5 ± 1.2 | 15.6 ± 0.8 | 28.5 ± 0.9 | 10.2 ± 0.6 |
| DPPH | 39.7 ± 1.3 | 27.3 ± 1.1 | 47.8 ± 1.2 | 15.7 ± 0.9 |
Values are mean ± SD of three samples of each extract.
