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In vitro evaluation of anti oxidant activity of methanolic and ethanolic leaf extracts of five indigenous plants in south India
Author(s): Suresh Madduluri* and B. Sitaram
Five indigenous plants, Piper betle, Punica granatum, Psidium guajava, Gloriosa superb, and Mangifera indica were investigated for their antioxidant activity. The extractions were subjected to assay by Phospho-molybdenum antioxidant assay method for evaluation of anti oxidant activity. The IC50 values are ranging from 20-60 μg/ml. Among the indigenous medicinal plants methanol extracts Psidium guajava L. revealed strongest antioxidant activity than vit C. The results primarily suggest the presence of potent oxidant inhibitory principles in the leaf of Psidium guajava.