Investigation on the comparative antioxidant potential of various fractions of Vitex negundo of Pakistani origin

he methanolic extract of Vitex negundo L. was dissolved in distilled water and partitioned with nexane, chloroform, ethyl acetate and n-butanol successively. The antioxidant potential of all ese fractions and remaining aqueous fraction was evaluated by four methods: 1,1-Diphenyl-2icrylhydrazyl radical (DPPH) scavenging activity, total antioxidant activity, ferric reducing ntioxidant power (FRAP) a…