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The comparison of DPPH free radical scavenging activity (EC50) of hexanic (H) and hydro-ethanolic (E) extracts of flowers (F) and leaves (L) of Ocimum basilicum with the standard ascorbic acid. The reference (dash) line indicates the significance difference (P value < 0.05) in the scavenging efficiency of the extract in comparison to ascorbic acid. Vertical segment at each bar peak is the Sdev.
