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Biological Activities Of The Essential Oil And Methanol Extract Of Achillea Biebersteinii Afan. (Asteraceae), Özlem Bariş, Medi̇ne Güllüce, Fi̇kretti̇n Şahi̇n, Hakan Özer, Hamdullah Kiliç, Hakan Özkan, Münevver Sökmen, Tüli̇n Özbek
Biological Activities Of The Essential Oil And Methanol Extract Of Achillea Biebersteinii Afan. (Asteraceae), Özlem Bariş, Medi̇ne Güllüce, Fi̇kretti̇n Şahi̇n, Hakan Özer, Hamdullah Kiliç, Hakan Özkan, Münevver Sökmen, Tüli̇n Özbek
Turkish Journal of Biology
The present work examined the in vitro antimicrobial and antioxidant activities of the essential oil and methanol extract from Achillea biebersteinii Afan. (Asteraceae). The essential oil exhibited antimicrobial activity against 8 bacteria, 14 fungi and the yeast C. albicans, whereas methanolic extract remained inactive. The antioxidative capacity of the samples was evaluated by using DPPH (2,2-diphenyl-1-picrylhydrazyl) and b-carotene/linoleic acid assays. In both assays, the extract showed better antioxidative capacity than the oil. The extract reduced the stable free radical DPPH with lower IC50 value (89.90 µg/ml) than the oil (8900 µg/ml). In the b-carotene/linoleic acid assay, the samples were not …