Table 4 Antioxidant effect (EC 50 ) of methanol extract and its various fractions of R. hastatus roots
From: Comprehensive assessment of phenolics and antiradical potential of Rumex hastatus D. Don. roots
Plant extracts/chemical | EC50 μg/ml | |||||||
|---|---|---|---|---|---|---|---|---|
Scavenging ability on DPPH radicals | Scavenging ability on super oxide radicals | Total antioxidant capacity | Scavenging ability on hydroxyl radicals | Scavenging ability on H2O2radicals | Scavenging ability on ABTS radicals | β-carotene bleaching inhibition | Chelating power | |
MRR | 84.16 ± 3.2c | 49.06 ±1.6c | 21.21 ± 0.5a | 61.87 ± 2.4c | 90.21 ± 2.1c | 128.01 ± 2.1c | 126.67 ± 2.9d | 333.11 ± 2.3b |
HRR | >246e | >250f | >250d | >250e | > > 250d | > > 250e | >500f | > > 8000f |
ERR | >241e | >250f | 242.78 ± 5.4c | >248e | >250d | >250e | >500f | >8000f |
CRR | 99.23 ± 2.3d | 62.28 ± 3.3e | 45.85 ± 1.2b | 85.29 ± 2.1d | 75.11 ± 1.7b | 136.09 ± 4.1c | 138.09 ± 3.3e | 1233.24 ± 4.5e |
BRR | 68.04 ± 1.7b | 43.19 ± 2.4b | 21.78 ± 0.8a | 36.56 ± 1.6b | 77.02 ± 1.5b | 96.17 ± 1.12b | 84.14 ± 2.6b | 600.75 ± 4.1c |
ARR | 85.28 ± 1.9c | 56.49 ± 0.9d | 23.48 ± 0.4a | 63.92 ± 1.9c | 99.11 ± 3.3c | 143.06 ± 1.8d | 114.89 ± 3.6c | 800.28 ± 2.2d |
Ascorbic acid | 19.59 ± 0.8a | 22.36 ± 0.6a | 20.79 ± 0.4a | 29.78 ± 1.1a | 23.04 ± 0.7a | 65.23 ± 1.5a | - | - |
Catechin | - | - | - | - | - | 72.41 ± 2.5a | 233.72 ± 1.9a | |
Rutin | 19.31 ± 0.7a | 27.10 ± 0.5a | - | - | - | |||