Test samples | RSa50 (μg/ml) |
---|---|
Plant extract and fractions | Â |
Methanol extract | 7.12 ± 0.21* |
n-hexane fraction | 35.87 ± 0.07* |
Ethyl acetate fraction | 3.07 ± 0.04* |
n-butanol fraction | 3.10 ± 0.10* |
Aqueous residue fraction | 7.15 ± 0.08* |
Isolated compounds a | Â |
1 | 298 ± 0.57* |
2 | 1.45 ± 0.00* |
3 | 1.45 ± 0.00* |
4 | 1.60 ± 0.01* |
Reference substance | Â |
L-ascorbic acid | 0.68 ± 0.00 |