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Evaluation of antioxidant activity of aqueous fraction of Prunus persica L leaf aqueous extract

An antioxidant is a chemical that prevent the oxidation of other chemicals. They protect key cell components by neutralizing the damaging effect of free radicals, which are natural by production of cell metabolism free radicals are form when oxygen is metabolized. In the body oxygen is essential for the survival of aerobic cell but it has long been known to be toxic to them when supplied at concentration greater than those in normal air. The biochemical mechanism responsible for oxygen toxicity include lipid per oxidation and the generation of H2O2 the super oxide radicals, O2. These free radicals can inhibit or propagate the process of lipid per oxidation. In the present study the reducing power, and DPPH radical scavenging activity was exhibited by aqueous fraction of Prunus persica L leaf aqueous extract. But the products were produced less e f fe ct than rutin that used as standard antioxidant. It is evident from our study that the aqueous fraction has shown dose dependent increase in free radical scavenging activity.