Chemical Composition and Antimicrobial and Antioxidant Activities of three Turkish Thyme Essential Oils

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dc.authoridARABACI, Turan/0000-0003-3869-4557
dc.authoridKuyumcu Savan, Ebru/0000-0002-8851-0907
dc.authoridKucukbay, Fatumetuzzehra/0000-0001-7784-4138
dc.authorwosidARABACI, Turan/AAQ-3885-2020
dc.authorwosidKuyumcu Savan, Ebru/E-3430-2019
dc.authorwosidkucukbay, fatumetuzzehra/X-5743-2019
dc.contributor.authorKucukbay, F. Zehra
dc.contributor.authorKuyumcu, Ebru
dc.contributor.authorCelen, Selma
dc.contributor.authorAzaz, Ayse Dilek
dc.contributor.authorArabaci, Turan
dc.contributor.authorYildiz, Bayram
dc.date.accessioned2024-08-04T20:38:00Z
dc.date.available2024-08-04T20:38:00Z
dc.date.issued2013
dc.departmentİnönü Üniversitesien_US
dc.description.abstractThe aim of present study was to compare the antioxidant and antimicrobial activities of three Thymus kotschyanus varieties on the basis of the chemical compositions of oils obtained by hydrodistillation. GC-MS analysis of the isolated essential oils from aerial parts of Thymus kotschyanus Boiss. & Hohen. var. eriophorus (Ronniger) Jalas, Thymus kotschyanus Boiss. & Hohen. var. kotschyanus and Thymus kotschyanus Boiss. & Hohen. var. glabrascens resulted in the identification of 55,, 34 and 57 constituents, respectively. The major components in the essential oils of T. kotschyanus Boiss. & Hohen. var. eriophorus (Ronniger) Jalas and T. kotschyanus Boiss. & Hohen. var. kotschyanus were described as geraniol (55.0-59.1 %) and geranyl acetate (27.1-28.8 %). The oil of T. kotschyanus Boiss. & Hohen. var. glabrascens is characterized by the high monoterpene fraction (86.5 %) and especially by the presence of carvacrol (57.2 %) and its precursor p-cymene (11.0 %). The essential oils were studied in vitro for antimicrobial activity (as inhibition zone and MIC) against fourteen bacteria strains using agar disc diffusion and broth micro-dilution methods. The oils exhibited moderate zone of inhibitions against bacteria when compared to standard antibiotics ketoconazol and chloramphenicol used as controls. The samples were subjected to a screening for their possible antioxidant activities by using 2,2-diphenyl-1-picrylhydrazyl (DPPH). When compared with the antioxidative potentials of the standard compound used in this study (BHA), essential oils of the T. kotschyanus varieties studied exerted remarkable antioxidant activity.en_US
dc.identifier.doi10.1080/0972060X.2013.854498
dc.identifier.endpage671en_US
dc.identifier.issn0972-060X
dc.identifier.issn0976-5026
dc.identifier.issue5en_US
dc.identifier.scopus2-s2.0-84889653756en_US
dc.identifier.scopusqualityQ2en_US
dc.identifier.startpage661en_US
dc.identifier.urihttps://doi.org/10.1080/0972060X.2013.854498
dc.identifier.urihttps://hdl.handle.net/11616/96297
dc.identifier.volume16en_US
dc.identifier.wosWOS:000327587900016en_US
dc.identifier.wosqualityQ4en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherTaylor & Francis Ltden_US
dc.relation.ispartofJournal of Essential Oil Bearing Plantsen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectThymus kotschyanusen_US
dc.subjectchemical compositionen_US
dc.subjectGC-FIDen_US
dc.subjectGC-MSen_US
dc.subjectgeraniolen_US
dc.subjectgeranyl acetateen_US
dc.subjectcarvacrol antimicrobial activityen_US
dc.subjectantioxidant activityen_US
dc.titleChemical Composition and Antimicrobial and Antioxidant Activities of three Turkish Thyme Essential Oilsen_US
dc.typeArticleen_US

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