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Compositions and antimicrobial activities of the essential oils of two Hypericum species from Turkey |
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| Authors: | Toker Zuhal Kizil Göksel Ozen Hasan Cetin Kizil Murat Ertekin Selçuk |
| Institution: | University of Dicle, Faculty of Science and Art, Biology Department, 21280, Diyarbakir, Turkey. ztoker@dicle.edu.tr |
| Abstract: | The chemical compositions of essential oils obtained from Hypericum hyssopifolium var. microcalycinum and Hypericum lysimachioides var. lysimachioides were analysed by using GC and GC-MS. Caryophyllene oxide was found to be the major component. The essential oils of both Hypericum species showed antimicrobial activity against nine microorganism at a concentration of 60 to 80 microg/ml. |
| Keywords: | Antimicrobial activity Essential oil Hypericum hyssopifolium Hypericum lysimachioides Caryophyllene oxide |
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