Table 2.
Effect of the extraction solvent on the antioxidant activities of Acroptilon repens
| Solvent |
DPPH
(IC 50 , mg/ml) |
FRAP
(mM Fe (II)/g DW) |
RP
(EC 50 mg/ml) |
Scavenging effect of H 2 O 2 IT50 (min) |
|---|---|---|---|---|
| Acetone (70%) | 0.551 ± 0.1a | 0.74 ± 0.049a | 0.354 ± 0.01a | 30.06 ± 1.73a |
| Methanol (70%) | 0.756 ± 0.12b | 0.59 ± 0.033b | 0.425 ± 0.015b | 43.57 ± 2.23b |
| Ethanol (70%) | 0.918 ± 0.15c | 0.45 ± 0.044c | 0.528 ± 0.018c | 51.18 ± 2.87c |
| BHA | 0.03 ± 0.001 | - | - | - |
| Trolox | - | - | 0.012 ± 0.001 | - |
Each value is expressed as mean ± SD (n = 3). Means, in the same column, with different letters are significantly different (p < 0.05).