Yazar "Özek, Temel" için listeleme
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11-Hydroxy-2,4-cycloeudesmane from the Leaf Oil of Juglans regia and Evaluation of its Larvicidal Activity
Köroğlu, Ayşegül; Baldemir, Ayşe; Özek, Gülmira; Bedir, Erdal; Tabanca, Nurhayat; Ali, Abbas; Özek, Temel (Sage Publications Inc, 2016)Leaves of Juglans regia L. collected from two different locations [Adana (A) and Ankara (BA from Turkey were subjected to hydrodistillation in a Clevenger type apparatus to yield the essential oils (EOs). GC/MS and GC-FID ... -
Achillea sivasica Çelik & Akpulat uçucu yağının kimyasal, enantiyomerik ve biyolojik aktivite açıcından araştırılması
Haliloğlu, Yeşim (Anadolu Üniversitesi, 2016)Çalışmanın kapsamında endemik Achillea sivasica Çelik & Akpulat bitkisinin uçucu yağ ve ekstreleri üzerinde fitokimyasal ve biyolojik aktivite araştırmaları gerçekleştirildi. Bitkinin çiçek, yaprak ve kök kısımlarından ... -
Analysis of Essential Oils and Fragrances by Gas Chromatography
Can, Baer, K. H.; Özek, Temel (Elsevier Inc., 2012)[No abstract available] -
Antimicrobial activities of methanol extracts and essential oils of Rosmarinus officinalis, depending on location and seasonal variations
Yesil-Çeliktas, O.; Kocabaş, E. E. Hames; Bedir, E.; Sukan, F. Vardar; Özek, Temel; Başer, K. Hüsnü Can (Elsevier Sci LTD, 2007)Rosmarinus officinalis is widely found in the lands of Aegean and Mediterranean regions of Turkey. The goal of this work was to test the antimicrobial activity of the essential oils and methanolic extracts of R. officinalis ... -
Assessment of Endemic Cota fulvida (Asteraceae) for Phytochemical Composition and Inhibitory Activities against Oxidation, alpha-Amylase, Lipoxygenase, Xanthine Oxidase and Tyrosinase Enzymes
Özek, Gülmira; Özbek, M. Ufuk; Yur, Süleyman; Göğer, Fatih; Arslan, Münevver; Özek, Temel (Acg Publications, 2019)In the present work, chemical compositions of essential oil and methanol extract of endemic Cota fulvida (Grierson) Holub were investigated as well as their antioxidant, antidiabetic, antiinflammatory and antimelanogenesis ... -
Betulenols from Betula species
Demirci, Betül; Başer, K. Hüsnü Can; Özek, Temel; Demirci, Fatih (Georg Thieme Verlag, 2000)The essential oils from buds of five Betula species growing in Turkey were investigated by CC-MS. A major component in the essential oils was shown to be 14-hydroxy-beta-caryophyllene (6). The structure of beta-betulenal ... -
Bioactivity-Guided Fractionation and GC/MS Fingerprinting of Angelica sinensis and Angelica archangelica Root Components for Antifungal and Mosquito Deterrent Activity
Wedge, David E.; Klun, Jerome A.; Tabanca, Nurhayat; Demirci, Betül; Özek, Temel; Başer, K. Hüsnü Can; Zhang, Jian (American Chemical Society, 2009)Bioassay-guided fractionation of the chloroform extract from the roots of Angelica sinensis led to isolation and characterization of (Z)-ligustilide using direct-bioautography with Colletotrichum species. The structure of ... -
Biological Evaluation, Overpressured Layer Chromatography Separation, and Isolation of a New Acetylenic Derivative Compound from Prangos platychlaena ssp platychlaena Fruit Essential Oils
Tabanca, Nurhayat; Wedge, David E.; Li, Xing-Cong; Gao, Zengping; Özek, Temel; Bernier, Ulrich R.; Özek, Gülmira (Akademiai Kiado Zrt, 2018)In the present work, fruits of Prangos platychlaena Boiss. ex Tchihat. ssp. platychlaena (Apiaceae) collected from eastern (sample A) and central (sample B) parts of Turkey were subjected to hydrodistillation to yield ... -
Characterization of the Essential Oil of Thymus sibthorpii Bentham
The water distilled essential oil from the flowering herb of Thymus sibthorpii Bentham was studied by GC/MS. Some physico-chemical characteristics were also determined. Fifty compounds representing 95.08% of the oil were ... -
Chemical and Biological Diversity of the Leaf and Rhizome Volatiles of Acorus calamus L. from Turkey
Suzgec-Selçuk, Sevda; Özek, Gülmira; Meriçli, Ali Hikmet; Başer, K. Hüsnü Can; Haliloğlu, Yeşim; Özek, Temel (Taylor & Francis LTD, 2017)Two different isolation techniques, conventional hydrodistillation (HD) and micro-steam distillation-solid-phase microextraction (MSD-SPME), have been used to analyze the volatile constituents from the leaves and rhizomes ... -
Chemical Composition and Antibacterial Activity of Essential Oils from Ferula L. Species against Methicillin-Resistant Staphylococcus aureus
Utegenova, gülzhakhan A.; Pallister, Kyler B.; Kushnarenko, Svetlana V.; Özek, Gülmira; Özek, Temel; Abidkulova, Karime T.; Voyich, Jovanka M. (MDPI, 2018)Essential oils (EOs) were obtained by hydrodistillation of various parts of Ferula ovina (Boiss.) Boiss., Ferula iliensis Krasn. ex. Korovin, and Ferula akitschkensis B. Fedtsch. ex Koso-Pol., collected in the flowering/budding ... -
Chemical composition and bioactivity studies of Alpinia nigra essential oils
Ghosh, Sudipta; Özek, Temel; Tabanca, Nurhayat; Ali, Abbas; Rehman, Junaid Ur; Khan, Ikhlas A.; Rangan, Latha (Elsevier Science BV, 2014)Free radical scavenging, bactericidal and bitting deterrent properties of Alpinia nigra essential oils (EOs) were investigated in the present study. Chemical composition of the EOs was analyzed using GC MS/GC-FID which ... -
Chemical composition and phagocyte immunomodulatory activity of Ferula iliensis essential oils
Özek, Gülmira; Schepetkin, Igor A.; Utegenova, gülzhakhan A.; Kirpotina, Liliya N.; Andrei, Spencer R.; Özek, Temel; Quinn, Mark T. (Wiley, 2017)Essential oil extracts from Ferula iliensis have been used traditionally in Kazakhstan for treatment of inflammation and other illnesses. Because little is known about the biologic activity of these essential oils that ... -
Chemical composition of essential oils from artemisia glabella kar. Et kir. and artemisia rupestris L. obtained by different extraction methods
Shaimerdenova, Z. R.; Makubayeva, A. I.; Özek, Temel; Özek, Gülmira; Yur, S.; Atazhanova, G. A.; Adekenov, S. M. (Badebio Biotechnololgy Ltd, 2018)The aim of the research was to investigate the chemical composition of essential oils and volatiles from two species of Artemisia glabella and Artemisia rupestris growing in Kazakhstan. Two different techniques, the ... -
Chemical composition of Santolina chamaecyparissus L. essential oil
Demirci, Betül; Özek, Temel; Başer, K. Hüsnü Can (Allured Publ Corp, 2000)The hydrodistilled essential oil of Santolina chamaecyparissus L. (Asteraceae) was analyzed by GC/MS. The main components were found as artemisia ketone (38.1%), camphor (11.7%) and beta-phellandrene (9.2%). -
Chemical composition of the oil of Cicuta virosa L. from Kazakhstan
Ishmuratova, M.; Özek, Temel; Özek, Gülmira; Başer, K. Hüsnü Can (Georg Thieme Verlag Kg, 2011)… -
Chemical composition of the wood and leaf oils from the "Clanwilliam Cedar" (Widdringtonia cedarbergensis J.A Marsh): A critically endangered species
Kamatou, G. P. P.; Viljoen, Alvaro M.; Özek, Temel; Başer, K. Hüsnü Can (Elsevier Science BV, 2010)Widdringtonia is the only genus of the 16 genera of Cupressaceae present in South Africa This genus is represented by three species in South Africa, W nodiflora, W schwarzu and W cedarbergensis (= W juniperoides) and the ... -
Chemical composition of Turkish myrtle oil
Özek, Temel; Demirci, Betül; Başer, K. Hüsnü Can (Allured Publ Corp, 2000)The chemical composition of essential oils from leaves and branches + leaves of Myrtus communis L. (Myrtaceae) was examined by GC/MS technique. The main components were found to be 1,8-cincole (18.3% and 10.5%), linalool ...
