Phytochemical Screening and In Vitro Evaluation of the Antioxidant Potential of Dichloromethane Extracts of Strychnos henningsii Gilg. and Ficus sycomorus L.

Table 4

% in vitro hydrogen peroxide radical scavenging activities of DCM extract of S. henningsii and F. sycomorus.

Concentrations
Groups	0.1 mg/ml	0.2 mg/ml	0.3 mg/ml	0.4 mg/ml	0.5 mg/ml	IC50 value
Ascorbic acid %	27.72 ± 2.38^a	42.25 ± 2.27^a	60.38 ± 1.77^a	74.24 ± 2.68^a	88.05 ± 2.55^a	0.245 mg/ml
F. sycomorus %	15.71 ± 1.47^b	31.07 ± 4.15^b	47.24 ± 2.38^b	61.41 ± 2.81^b	75.85 ± 1.66^b	0.330 mg/ml
S. henningsii %	14.22 ± 2.69^b	30.45 ± 2.64^b	48.27 ± 2.50^b	61.57 ± 2.92^b	75.22 ± 2.12^b	0.325 mg/ml

Values are expressed as mean ± SEM for three replicates. Column means with the same superscript were not significantly different by ANOVA followed by Tukey’s post hoc test ().