Antioxidant activity of traditionally used backyard Indian medicinal plants using frog heart as a model.

The present study was aimed at evaluation of oxidative stress and antioxidant activity of different juices of medicinal plants on isolated frog heart; the plants were collected from Botanical garden. Perfusion of frog Ringer solution containg hydrogen peroxide to isolated frog heart, results cardiac arrest at 17th minute, which indicated the induction of oxidative stress. In the presence of juices of medicinal plants, cardiac arrest was prolonged above 17minutes indicated their antioxidant activity which was comparable with standard ascorbic acid.