Auteur Betül Demirci
Documents disponibles écrits par cet auteur (18)
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Betül Demirci, Auteur ; K. Hüsnü Can Baser, Auteur ; Sara L. Crockett, Auteur |Of the 57 species of the economically important genus Hypericum (St. John's Wort; Clusiaceae) occurring in China, only a small percentage have been previously phytochemically investigated. As part of our continuing research on the phytochemistry[...]
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Sara L. Crockett, Auteur ; Betül Demirci, Auteur ; K. Hüsnü Can Başer, Auteur |The volatile constituents of five species of the medicinally and ornamentally valuable genus Hypericum L. (St. John's Wort; Clusiaceae), with native distributions in Africa and the Mediterranean regions of Europe and Asia, were examined as part [...]
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Kemal Hüsnü Can Başer, Auteur ; Betül Demirci, Auteur ; Mehmet Yaşar Dadandi, Auteur |The genus Phlomis L. is represented in the Flora of Turkey with 50 taxa having a high endemism and hybridization rate. Phlomis x vuralii Dadan di and its parents P. chimerae Boissieu. and P. bourgaei Boiss. were collected from Antalya, southern [...]
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Ayse Mine Gençler Özkan, Auteur ; Betül Demirci, Auteur ; Fatih Demirci, Auteur |The essential oil from the fruits of Ferulago longistylis Boiss. (Apiceae) was obtained by hydrodistillation. Simultaneous analyses by GC and GC/MS resulted in the identification of 59 compounds representing 96% of the essential oil. The major c[...]
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Canan Karamenderes, Auteur ; Betül Demirci, Auteur ; K. Hüsnü Can Başer, Auteur |Essential oils obtained by microdistillation from seven endemic Centaurea species [C. hierapolitana Boiss., C. cadmea Boiss., C. calolepis Boiss., C. cariensis Boiss. subsp. maculiceps (O. Schwarz) Wagenitz, C. cariensis Boiss. subsp. microlepis[...]
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K. Hüsnü Can Baser, Auteur ; Temel Ozek, Auteur ; Betül Demirci, Auteur |A steam-distilled commercial by available essential oils of Cymbopogon afronardus (Mutete) were analyzed by GC and GC/MS. Seventy-four compounds making up 95.1% of A and 59 compounds making up 86.4% of B were characterized. Myrcene (3.3–38.9%) a[...]
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Gülendam Tümen, Auteur ; Mine Kürkçüoglu, Auteur ; Betül Demirci, Auteur |A water-distilled essential oil from herbal parts of Myrrhoides nodosa (L.) Cannon was analyzed by GC and GC/MS using polar and non-polar columns. Methyl chavicol (74.1%) was characterized as the main component of this oil, which has a distinct [...]
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Yavuz B. Köse, Auteur ; Betül Demirci, Auteur ; K. Hüsnü Can Başer, Auteur |The essential oil obtained by hydrodistillation from three endemic Centaurea species (Asteraceae) in Phalolepis (Cass.) DC. Section; C. wagenitzii Hub.-Mor., C. tossiensis Freyn et Sint. and C. luschaniana Heimerl from Turkey were analyzed by ga[...]
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Betül Demirci, Auteur ; Kemal Husnu Can Baser, Auteur ; Mehmet Y. Dadandi, Auteur |The essential oils of Phlomis rigida Labill. and P. samia L. (Lamiaceae) obtained from the aerial parts by hydrodistillation were analyzed by GC and GC/MS. P. rigida (albino and normal form) oils were found to be rich in β-caryophyllene (31.2% a[...]
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Mehmet Cicek, Auteur ; Betül Demirci, Auteur ; Gulderen Yilmaz, Auteur |The essential oil obtained by hydrodistillation from subspecies of Scutellaria albida L. (Lamiaceae): S. albida L. subsp. albida, S. albida L. subsp. colchica (Rech.f.) J.R.Edm., S. albida L. subsp. condensata (Rech.f.) J.R.Edm., and S. albida L[...]
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Kemal H. C. Başer, Auteur ; Betül Demirci, Auteur ; Ilkay Erdogan Orhan, Auteur |The genus Iris is known to contain gorgeous flowers with a violet-like scent. Iris is represented in the Turkish flora by 37 species. Nonetheless, no study has been so far performed on the volatile constituents of the Turkish Iris species. In th[...]
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Ayse Mine Gençler Özkan, Auteur ; Betül Demirci, Auteur ; Kemal Husnu Can Baser, Auteur |The composition of the essential oil obtained from the aerial parts of Hypericum thymopsis Boiss. (Guttiferae) was analyzed by GC and GC/MS. The analysis resulted in the identification of 72 compounds representing 82.4% of the oil. The major c[...]
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K. Hüsnü Can Baser, Auteur ; Mine Kürkçüoglu, Auteur ; Betül Demirci, Auteur |A new analysis by GC and GC/MS was made on a sample of ninde oil that had been produced by water and steam distillation in 1934/35 from flowers of Aeollanthus myrianthus Bak. (Lamiaceae) of Northern Zambian origin. Forty-one compounds were chara[...]
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Ayla Kaya, Auteur ; Betül Demirci, Auteur ; K. Hüsnü Can Başer, Auteur |Microdistilled essential oils from flowers (A) and fruits (B) of Scandix iberica Bieb. were analyzed by GC and GC/MS. A total of 29 and 27 compounds were identified representing 99.3% and 99.4% of the flower and fruit oils, respectively. The mai[...]
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Betül Demirci, Auteur ; K. Hüsnü Can Başer, Auteur |A water distilled essential oil from aerial parts of Tanacetum macrophyllum (Waldst. et Kit.) Schultz.Bip. was analyzed both by gas chromatography (GC) and gas chromatography/mass spectrometry (GC/M S). The major components were identified as β-[...]
