Of the isolates tested, only 3(MEE and EAE) revealed susceptibly to the extracts, with
DMSOE revealing the highest susceptibility. DPPH radical scavenging activity of Vernonia
leaf extract with ascorbic acid as reference where the IC50 value for the Vernonia extract
(IC50 = 3259 µg/ml) and IC50 value was said to be moderate as compared to standard
(IC50= 2782 µg/ml).
KEYWORDS: V. elaeagnifoli