The study aims to evaluate the phytochemical screening and in-vitro antioxidant potential of ethanolic extract of Ocimum sanctum leaves with the help of three in-vitro antioxidant models viz total antioxidant activity (phosphomolybdic acid method),1,1-diphenyl -2-picrylhydrazyl (DPPH) assay and FRAP assay. Ethanolic extract of Ocimum sanctum leaves strongly scavenged DPPH radical scavenging activity, reducing power and total antioxidant activity in dose-dependent manner. The results showed that Ocimum sanctum leaves exhibited strong antioxidant potential with the presence of alkaloids, flavonoids, saponins, tannins, polyphenols and steroids.
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