Table 2 The EC 50 values for antioxidant tests for aqueous leaf extract of A. ceylanica with respect to reference standard antioxidants
Antioxidant test | A. ceylanica(μg/ml) | Ascorbic acid (μg/ml) | Gallic acid (μg/ml) |
|---|---|---|---|
DPPH assay (n =9) | 131.2 ± 36.1 | 3.30 ± 0.27 | - |
HO . scavenging (n =9) | 48.4 ± 12.1 | - | 27.69 ± 4.14 |
NO . scavenging (n =3) | 263.5 ± 28.3 | 276.3 ± 25.8 | - |
Fe 3+ reducing power (n =9) | 87.70 ± 6.06 | 2.78 ± 0.30 | - |