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Article – Journal of Natural Products and Resources

Journal of Natural Products and Resources, Volume 4,Issue 2,2018 Pages 182-184

Free Radical Scavenging Activity and Preliminary Phytochemical Screening of Ethylacetate Fraction of Stem Bark of Lannea acida (A. Rich)
Onoshe Solomon*, M.M. Azubuike, Louis Hitler, I.E. Oghenekevwe, M.A. Mary, P.I. Amos


The present study was designed to investigate the free radical scavenging activity and phytochemical composition of ethylacetate fraction (EtyAc) of stem bark of Lannea acida. The free radical scavenging activity was tested using 2,2-diphenyl-1-picrylhydrazyl (DPPH) and by determination of total phenolic composition. Preliminary phytochemical screening was carried out using standard methods. The EtyAc fraction demonstrated significant scavenging activity, contained appreciable amounts of total phenolics and a number of secondary plant metabolites including, flavonoids, alkaloids, tannins and saponins. The study revealed that EtyAc fraction of stem bark of Lannea acida possesses significant antioxidant activity.

Keywords: Lannea acida ; 2,2-Diphenyl-1-picrylhydrazyl; Free Radicals;