Table 5.

Antioxidant activity of the investigated extracts of M. dispermus leaves and stem barks by using hydrogen peroxide scavenging assay

Group	Equation	R2	IC50 [μg/ml]
Control	–	–	–
Standard (AA)	y = 14.89x + 49.46	R 2 = 0.969	1.09
MDML	y = 22.25x − 21.48	R 2 = 0.876	1631.49
MDHL	y = 29.62x − 33.51	R 2 = 0.885	659.75
MDTL	y = 33.54x − 13.86	R 2 = 0.992	80.17
MDCL	y = 37.06x − 26.02	R 2 = 0.915	112.53
MDEL	y = 37.88x − 44.57	R 2 = 0.9	313.74
MDAL	y = 51.46x − 63.54	R 2 = 0.907	160.83
MDMS	y = 10.80x − 0.621	R 2 = 0.952	48655.24

AA – ascorbic acid, MDML – crude methanol extract of M. dispermus leaves, MDHL – n -hexane fraction of crude methanol extract of M. dispermus leaves, MDTL – carbon tetrachloride fraction of crude methanol extract of M. dispermus leaves, MDCL – chloroform fraction of crude methanol extract of M. dispermus leaves, MDEL – ethyl acetate fraction of crude methanol extract of M. dispermus leaves, MDAL – aqueous fraction of crude methanol extract of M. dispermus leaves, MDMS – crude methanol extract of M. dispermus stem bark