In vitro antioxidant activity of thirteen medicinal plants of India's Western Ghats

Abstract

Sixteen methanol extracts from thirteen medicinal plants collected from Western Ghats, India, were screened for in vitro antioxidant activity using different models. The methanol extract of C. aromaticus was found to be more active with low IC50 value in most of the methods. The extracts of A. indica, C. arietinum, M. alba, O. dillenii, P. procumbens, S. androgynus, and S. oenopila showed potent antioxidant activity against ABTS free radicals. Potent activity was observed for the extracts of B. calicynum against DPPH free radicals and for the extracts of O. dillenii and C. aromaticus in the lipid peroxidation assay. Many of the extracts showed high total phenol content. The leaf extract of C. aromaticus merits further investigation in animal models. © 2007 Informa Healthcare.