Antioxidant activity of hydromethanolic extract of Urtica parviflora Roxb. (family Urticaceae) was investigated by different in vitro methods, namely, nitric oxide scavenging, DPPH scavenging, and reducing power assay. In the present study, plant extract exhibited dose dependent free radical scavenging and reducing activity. The antioxidant activity of the hydromethanolic extract of Urtica parviflora Roxb. was compared with ascorbic acid as standard. In addition, phytochemical screening of hydromethanolic extract of the plant was undertaken to identify the phytochemicals present in the extract. Phytochemical examination revealed the presence of alkaloids, polysaccharides, saponins, flavonoids, phenolic compounds, glycosides and tannins. It was concluded that the extract contains important phytoconstituents responsible for antioxidant effect. The study indicated that Urtica parviflora could protect the cell injury caused by the reactive oxygen species and might be a valuable source of antioxidant both for medicine and food industry.
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