Table 1.
Antiradical capacities of crude extract and partition fractions obtained from B. sphenophylla.
% Trolox 1 | ||
---|---|---|
Samples 2 | DPPH | ABTS |
EtOH extract | 33.8 ± 0.1 b | 36.1 ± 0.3 b |
DCM fraction | 20.3 ± 0.2 a | 22.1 ± 0.4 a |
EtOAc fraction | 88.9 ± 0.2 c | 90.4 ± 0.1 c |
BuOH fraction | 34.7 ± 0.1 b | 40.8 ± 0.2 b |
1 % Trolox is expressed in mg.L−1; 2 EtOH extract: ethanol extract; DCM, EtOAc, and BuOH fractions: dichloromethane, ethyl acetate, and n-butanol fractions. Different letters indicate statistical difference (p < 0.05).