Oxalis corniculata L. is well known as procumbent yellow sorrel or creeping wood sorrel grown as weeds in the tropical countries. A wide range of active constituents with potent medicinal properties present in the plant. The main objective was to determine oxalic acid content by using standard synthetic oxalic acid and to overview the total antioxidant capacity of the Oxalis corniculata. In PRAC assay, antioxidant activity of Oxalis corniculata has been increased with increasing concentration and expressed in terms of percent inhibition. It was found to be significant and valuable
