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In this study, the isolation of compounds from the aerial parts of Morina persica L. and the antimicrobial, antioxidant and antityrosinase activities of various polarity extracts and isolated compounds were investigated. Column chromatography methods were used for isolation. A microdilution method was used to determine antimicrobial activity; Folin-Ciocalteu method was used to determine total phenolic content; DPPH and ABTS radical scavenging- capacity methods were used to determine antioxidant activity; and a mushroom tyrosinase method was used to determine antityrosinase activity. Kaempferol-3-O-β-glucopyranoside (astragalin) and quercetin-3-O-rutinoside (rutin) were isolated from M. persica. The extracts and compounds showed higher activity against Staphylococcus aureus and Enterococcus faecalis than other tested bacteria. The highest phenolic content, DPPH, and ABTS radical scavenging activity were detected in an ethyl acetate extract at 50 μg/mL concentration. The methanol extract showed the highest antityrosinase effect at 200 μg/mL concentration.
Özgen et al. (Wed,) studied this question.