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    Composition and antimicrobial activity of the essential oil of Tanacetum cadmeum (Boiss.) heywood subsp orientale grierson
    (ALLURED PUBL CORP, 2007) Ozek, Guelmira; Ozek, Ternel; Iscan, Goekalp; Baser, K. Huesnue Can; Hamzaoglu, Ergin; Duran, Ahmet
    Water distilled essential oil of aerial parts of Tanacetum cadineum (Boiss.) Heywood subsp. orientale Grierson (Asteraceae) was analyzed by GC and GC/MS methods. Ninety three compounds have been characterized representing 97.8% of the oil. 1,8-Cineole (1.8.9%), p-cymene (15.7%), terpinen-4-ol (14.8%), borneol (9.8%) and gamma-terpinene (3.5%) were found to be the major constituents of the oil. Antimicrobial activity of the oil was tested via micro-dilution broth method. Escherichia coli, Staphylococcus aureus, Enterobacter aerogenes, Salmonella typhimurium, Bacillus cereus, Staphylococcus epidemidis, Candida albicans were used as the test microorganisms.
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    Composition and antimicrobial activity of the oils of Ferula szowitsiana DC. from Turkey
    (TAYLOR & FRANCIS INC, 2008) Oezek, Guelmira; Oezek, Temel; Iscan, Goekalp; Baser, K. Huesnue Can; Duran, Ahmet; Hammoglu, Ergin
    The essential oils from the leaves and steins of Ferula szowitsiana DC. (Umbelliferae) were separately obtained by hydrodistillation and then analyzed by GC and GC/MS methods. The oil yields were 0.4% and 0.05%, respectively. One-hundred and sixty-two compounds representing 99.5% and 99 compounds representing 94.4% were identified in the leaf oil and stem oil, respectively, with beta-eudesmol (32.0% and 29.5%, resp.), alpha-eudesmol (18.2% and 16.6%, resp.) and alpha-pinene (8.6% and 6.4%, resp.) as the major constituents. Antimicrobial activity of the leaf oil was tested via in-vitro microdilution broth technique. Escherichia coli, Pseudomonas aeruginosa, Proteus vulgaris, Salmonella typhimurium, Staphylococcus epidermidis, Methicillin-resistant Staphylococcus aureus, and Candida albicans were used as the test microorganisms.
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    Composition of the essential oils of Angelica sylvestris L. var. sylvestris isolated from the fruits by different isolation techniques
    (ALLURED PUBL CORP, 2008) Ozek, Temel; Ozek, Gulmira; Baser, K. Huesnue Can; Duran, Ahmet; Sagiroglu, Mehmet
    The essential oils of the fruits of Angelica sylvestris L.var.sylvestris (Umbelliferae) obtained using hydrodistillation (HD), nucrodistillation (MD) and micro-steam distillation-solid-phase microextraction (MSD-SPME) techniques were analyzed by GC and GUMS. The composition of the oils depended on the isolation method employed. alpha-Pinene (25.6%,36.2% and 9.2%, respectively), beta-phellandrene (9.1%, 9.9% and 3.2%), bornyl acetate (7.3%,4.3% and 6.9%), limonene (5.6%, 4.3% and 2.1%). myrcene (4.4%, 4.0% and 1.3%), camphene (3.9%, 4.7% and 1.2%), alpha-chamigrene (3.4%,4.4% and 9.1%) and beta-sesquiphellandrene (2.5%,3.8% and 8.7%) were found as the main constituents in the oils. p-Cresol (6.5%), epi-alpha-bisabolol (5.6%), (Z)-beta-farnesene (5.5%), naphthalene (4.4%), daucene (3.1%), amorpha-4,11-diene (3.1%) and gamma-muurolene (2.5%) were also among the main constituents of the oil isolated by MSD-SPME.