Table 2.
Antioxidant activities of hydroalcoholic extract/fractions from R. vesicarius
| Extract/Fractions/Standard antioxidant | TAC (mg GAE/g DW)a | IC50/DPPH a | EC50/Reducing power a | IC50/β-Carotene a |
|---|---|---|---|---|
| HAE | 32.97 ± 4.41 | 0.56 ± 0.00 | 1.38 ± 0.01 | 0.26 ± 0.01 |
| HF | 1.62 ± 0.00 | 1.01 ± 0.03 | 2.87 ± 0.03 | 2.57 ± 0.38 |
| CF | 0.56 ± 0.02 | 0.16 ± 0.00 | 0.80 ± 0.00 | 0.21 ± 0.00 |
| AF | 3.86 ± 0.16 | 0.07 ± 0.00 | 0.23 ± 0.00 | 0.24 ± 0.01 |
| BF | 6.92 ± 0.89 | 0.15 ± 0.00 | 0.72 ± 0.01 | 0.22 ± 0.01 |
| WF | 6.67 ± 1.84 | 2.90 ± 0.04 | 7.13 ± 0.07 | 0.63 ± 0.01 |
| Standard (Vit E) | – | 0.07 ± 0.01 | 0.24 ± 0.01 | 0.24 ± 0.01 |
aEach value is expressed as the mean ± standard deviation (n = 3); EC50 = effective concentration at which the absorbance was 0.5; IC50 = inhibition concentration 50 %; TAC total antioxidant capacity