Comparison of antimicrobial activities of essential oil and solvent extracts of endemic Phlomis oppositiflora Boiss. and Hausskn. from Turkey
2013
Toroglu, S. (Kahramanmaras Sutcu Imam Univ. (Turkey). Biology Dept.) | Cenet, M. (Osmaniye Korkut Ata Univ., Osmaniye (Turkey). Biology Dept.)
Antimicrobial activity of methanol, ethanol, ethyl acetate extracts and essential oil of Phlomis oppositiflora was investigated against eight bacteria and three fungi by disc diffusion method. The methanol, ethanol and ethyl acetate extracts of P. oppositiflora showed antibacterial activity with 8-15 mm, 7-11 mm 8-9 mm inhibition zones) and antifungal activity with 9-13 mm and 8-15 mm and 9-12 mm inhibition zones at 30 mul-1. The essential oil of P. oppositiflora shows antibacterial activity with 7-10 mm inhibition zone at 1 mul-1; and antifungal activity with 9-12 mm inhibition zone at 2 mul-1. There is no statistical difference between 2 mul-1 essential oil and methanol extract of P. oppositiflora standard antibiotics (V30 and E15) in respect to antibacterial effectiveness in E. coli. The essential oil, however, had a more significant antibacterial effect on E. coli than did the methanol extract (f= 81,905; df= 8; p 0, 0001). To conclude P. oppositiflora contains antimicrobial components against various microorganisms, which could be important in various pharmaceutical preparations.
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