Table 2 Radical scavenging activities of aqueous crude leaf extract of H. longifolium and BHT as standard at different concentrations.
Percentage inhibition (% I) of radical scavenging of H. longifolium | |||||
|---|---|---|---|---|---|
Extract or BHT concentration (mg/ml) | Superoxide anion | Nitric oxide | DPPH | Hydrogen peroxide | ABTS |
0.2 | 62.65(60.16) | 31.71(40.27) | 40.91(42.62) | 58.99(68.61) | 50.00(51.17) |
0.4 | 67.55(73.49) | 42.00(46.27) | 47.63(53.00) | 66.14(73.29) | 59.31(63.39) |
06 | 72.16(77.12) | 62.28(61.87) | 58.33(73.99) | 70.85(76.22) | 66.31(77.20) |
0.8 | 75.01(79.96) | 64.96(80.29) | 75.91(82.32) | 72.44(80.00) | 75.10(77.95) |