In the present research work acacetin (1), chrysin (2) and umbelliferone (3) were isolated for the first time from the chloroform fraction of Potentilla evestita. The isolated compounds as well as various solvent fractions of the crude ethanolic extract were assessed for their antioxidant potentials. A significant DPPH free radical scavenging effect was observed in the methanolic and chloroform fractions. The acacetic and chrysin demonstrated significant free radical scavenging activity. Likewise compound 3 showed moderate activity as comparative. It was concluded that the therapeutic potential of this plant is due to its antioxidant potential and the antioxidant effect of P. evestita is due to the presence of these three isolated antioxidant compounds.
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Abdur Rauf (2013) studied this question.
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