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Antioxidant activity of A. bracteosum extracts and IG determined by DPPH and ABTS. assays.
| Samples | DPPH Assay IC50 (μg/mL) |
ABTS Assay IC50 (μg/mL) |
|---|---|---|
| Ethanol extract | 6.61 ± 0.17 b | 10.33 ± 0.10 b |
| Aqueous extract | 10.12 ± 0.13 c | 11.17 ± 0.05 c |
| IG compound | 11.93 ± 1.23 d | 11.41 ± 0.63 c |
| Standard (ascorbic acid) | 2.89 ± 0.09 a | 5.25 ± 0.62 a |
Results were expressed as mean ± SD of three experiments. In each column, different letters mean significant different (p < 0.01).
