Table 3.
Free radical scavenging activity of Rumex crispus L. root extracts and fractions 1.
| Samples 2 | EC503 | ||
|---|---|---|---|
| DPPH Radical | Hydroxyl Radical | Superoxide Radical | |
| EE | 46.5 ± 2.6 b | 19.65 ± 0.64 c | 51.72 ± 2.00 c |
| HF | 126.2 ± 1.3 e | 62.47 ± 2.44 f | >200 f |
| DCMF | 65.6 ± 1.2 d | 0.54 ± 0.13 a | 45.83 ± 2.00 b |
| EAF | 11.9 ± 2.5 a | 0.65 ± 0.06 a | 4.45 ± 0.42 a |
| BF | 55.1 ± 1.5 c | 3.84 ± 0.35 d | 61.00 ± 2.81 d |
| AF | 44.2 ± 3.4 b | 43.12 ± 0.00 e | 71.29 ± 2.39 e |
1 Values are expressed as a mean ± SD (n = 3). 2 EE: ethanol extracts. HF: n-hexane fractions. DCMF: dichloromethane fraction. EAF: ethyl acetate fraction. BF: n-buthanol fractions. AF: aqueous fraction. 3 Effective concentration of substance that causes 50% inhibition. a–e Means with different superscripts in the same column are significantly different at p < 0.05.