Antioxidants are molecules which can safely interact with free radicals and terminate the chain reaction before vital molecules are damaged. The free radicals are produced as a byproduct of metabolism which is exposed to the radiation and other pollution .The antioxidants fight against the free radical and prevent our body from the damage. The compounds like vitamin C and E, Carotenes, Flavinoids and also the antioxidants enzymes plays a major role in Scavenging of free radicals and protect the body from the Oxidant stress, Many medicinal herbs are having the antioxidant nature. The two plants Cissus quadrangularis and Cardiospermum halicacabum are taken in this assay. The analysis of antioxidant assay is done by two methods DPPH and FRAP and the mixtures of the ethanolic and methanolic extracts of both the plants were tested for antioxidant activity.
