Table 2.

DPPH radical scavenging potential of aqueous extract T. stocksianum (AETS)

Test solutions	Concentration μg/ml			IC50 (μg/ml)
Sample/standard	62.5	125	250
AETS	34.70 ± 1.454	48.66 ± 1.50	60.06 ± 0.846	136
Quercetin	94.86 ± 0.872	95.28 ± 1.24	96.56 ± 1.52	<62.5
Acetic acid	90.62 ± 1.856	92.45 ± 1.07	94.24 ± 1.33	<62.5

Values are expressed as means ± SEM of three replicates