Antioxidants consist of a group of vitamins, minerals, and enzymes that have health enhancing effects for our bodies. Antioxidants work to neutralize free radicals before they do harm to our bodies. Free radicals are atoms that cause damage to our cells. They harm our immune system leading to many degenerative diseases. In this article the radical scavenging activity of Indian tropical fruit pineapple and grapes was calculated at different concentrations using DPPH method.