
Merremia emarginata whole plant was subjected to preliminary phytochemical investigation and was found that it possess alkaloids, steroids, glycosides, flavonoids, tannins, carbohydrates and proteins. The extracts prepared by using polar solvents have demonstrated the dose dependent Antioxidant activity. The Methanolic extract of Merremia emarginata whole plant has shown Antioxidant activity in various screening models .Our study has justified the claim of native herbal practitioners that the plant extract has antioxidant activity and Superoxide anion scavenging activity useful in treating gastric disorders.