In Vitro and In Vivo Biochemical Evaluations of the Methanolic Leaf Extract of Garcinia kola

Table 2

Superoxide anion scavenging activity of the methanolic extract of Garcinia kola and ascorbic acid.

Sample	Concentration (g/mL)	% Inhibition ()	IC50 (g/mL)	Regression equation
Garcinia kola	3.30	26.50 ± 0.16	10.0	()
	6.70	42.70 ± 0.12
	10.00	50.50 ± 0.10
	13.30	55.70 ± 0.02
	16.70	75.10 ± 0.07
Ascorbic acid	0.67	09.5 ± 0.12	2.3	()
	1.33	24.8 ± 0.36
	2.00	52.5 ± 0.22
	2.67	63.9 ± 0.03
	3.30	70.3 ± 0.01

Results are expressed as means ± SD of five parallel measurements.