Toker, ZKizil, GÖzen, HÇKizil, MErtekin, S2024-04-242024-04-2420060367-326X1873-6971https://doi.org/10.1016/j.fitote.2005.08.019https://hdl.handle.net/11468/15423The 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 mu g/ml. (c) 2005 Elsevier B.V. All rights reserved.eninfo:eu-repo/semantics/closedAccessAntimicrobial ActivityEssential OilHypericum HyssopifoliumHypericum LysimachioidesCaryophyllene OxideArticle7715760WOS:0002347626000122-s2.0-294444364071624226310.1016/j.fitote.2005.08.019Q2Q4