Free radical scavenging activities of Zizyphus mauritiana.

Abstract

In the present study, antioxidant activities of the two varieties of fruits of Zizyphus mauritiana (Boroi) were investigated. Ethanolic extracts of fruits powder were characterized by the method described by Hatano et al. (1) in which stable 1, 1-diphenyl-2-picrylhydrazyl (DPPH) free radical solution were used. In the present investigation, it is found that all of the fruit extracts have remarkable antioxidant activities. The IC 's 50 (inhibition concentration 50) of the ethanolic extracts of Zizyphus mauritiana (Local) and Z. mauritiana (Narikeli kul) were 72 and 250 µg/ml respectively. Between these two varieties local variety showed higher antioxidant activities. Therefore, the research clearly indicates local variety of Zizyphus mauritiana is exceptionally advantageous for human health. Key word: Antioxidant activity Fruits Zizyphus mauritiana Ethanolic extracts and IC50.