BMC Complementary Medicine and Therapies

Table 5 Total antioxidant capacity (TCA) extracts by Phosphomolybdate assay

From: In vitro antioxidant and free-radical scavenging activities of polar leaf extracts of Vernonia amygdalina

Conc. μg/ml	H₂O extract			MeOH extract			EtOH extract			AA
Conc. μg/ml	A	%	IC50	A	%	IC50	A	%	IC50	A	%	IC50
50	0.044	11.36	250.8	0.073	46.58	133.3	0.048	18.75	176.53	0.247	84.21	98.96
100	0.054	27.78		0.095	58.95		0.059	33.9		0.297	86.87
150	0.062	37.1		0.121	67.77		0.076	48.68		0.331	88.22
200	0.065	40		0.127	69.29		0.101	61.39		0.368	89.40
250	0.072	45.83		0.148	73.65		0.116	66.38		0.409	90.46
300	0.074	47.3		0.175	77.71		0.13	68.29		0.451	91.35

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ISSN: 2662-7671

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