Browsing by Author "Kılıç, Turgut"
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Ent-kaurane diterpenoids isolated from Sideritis congesta
Topçu, Gülaçtı; Ertaş, Abdulselam; Öztürk, Mehmet; Dinçel, Demet; Kılıç, Turgut; Halfon, Belkıs (Elsevier Science Bv, 2011)A new ent-kaurane diterpenoid, together with eight known ent-kauranes, were isolated from the petroleum ether and acetone extracts of the whole plant of Sideritis congesta P. H. Davis & Hub.-Mor. and their structures were ... -
Ent-kaurene diterpenoids from sideritis lycia with antiviral and cytotoxic activities
Kılıç, Turgut; Topçu, Gülaçtı; Gören, Ahmet Ceyhan; Aydoǧmuş, Zeynep; Karagöz, Ali; Yıldız, Yaşar K.; Aslan, İrfan (ACG Publications, 2020)The genus Sideritis (Lamiaceae) is represented by 45 species (54 taxa) in Anatolia with high endemism ratio (74%), and Turkey is one of the gene centers of the genus along with Spain. Acetone extract of the aerial parts ... -
Essential oil compositions of some species of Cyclotrichium and antimicrobial activities
Kılıç, Turgut; Karahan, Ahmet; Dirmenci, Tuncay; Arabacı, Turan; Kocabaş, Fatma; Gören, Ahmet (Springer, 2007)In this study we report on the essential oil composition of six freshly collected plant species, Cyclotrichium glabrescens (Boiss. & Kotschy ex Rech. F.) Leblebici, C. longiflorum Leblebici, C. stamineum, C. niveum, C. ... -
An experimental and theoretical study on siderol isolated from sideritis species
Azizoğlu, Akın; Özer, Züleyha; Kılıç, Turgut (Inst Organic Chem and Biochem, 2011)The Fourier transform infrared (FTIR) spectrum of siderol, extracted from the aerial parts of Sideritis Gulendamii, has been measured in the range 4000-400 cm(-1). Vibrational assignments and analyses of the fundamental ... -
Experimental and theoretical vibrational spectra of sideridiol isolated from sideritis species
Kılıç, Turgut; Sağır, Züleyha Özer; Çarıkçı, Sema; Azizoğlu, Akın (Maik Nauka/Interperiodica/Springer, 2017)Sideridiol (ent-7 alpha,18 beta-dihydroxykaur-15-ene) one of the ent-kaurene diterpenoid, is isolated from the genus Sideritis L. belongs to the family of Lamiaceae. The vibrational frequencies of sideridiol in the ground ... -
Experimental, theoretical and biological activity study on the acyl-substituted benzo-18-crown-6, dibenzo-18-crown-6 and dibenzo-24-crown-8
Uğraş, Halil İbrahim; Çakır, Ümit; Azizoğlu, Akın; Kılıç, Turgut; Erk, Çakıl (Springer, 2006)Hexadecanoyl, dihexadecanoyl, dioctadecaneoyl, di-10-undecenoyl, and dicis-9-octadecenoyl derivatives of benzo[18]crown-6, dibenzo[18]crown-6 and dibenzo[24]-8 were synthesized by the condensation of carboxylic acids ... -
Fatty acid composition and chemotaxonomic evaluation of species of Stachys
Gören, Ahmet Ceyhan; Akçiçek, Ekrem; Dirmenci, Tuncay; Kılıç, Turgut; Mozioğlu, Erkan; Yılmaz, Hasibe (Taylor & Francis Ltd, 2012)The fatty acid composition of the seed oil of 23 Stachys taxa was analysed by GC/MS. The main compounds were found to be linoleic (27.1-64.3%), oleic (20.25-48.1%), palmitic (4.3-9.1%), stearic (trace to 5.2%) and ... -
Fatty acid composition of seeds of some species of Nepeta L.
Kılıç, Turgut; Dirmenci, Tuncay; Gören, Ahmet C. (Taylor & Francis Ltd, 2007)The fatty acid compositions of Nepeta viscida, N. cilicica, N. crinita, N. nuda ssp. glandulifera and N. aristata were analyzed by GC/MS. The main free fatty acids were found as linolenic acid (49.8 - 58.5%), linoleic acid ... -
Fatty acid compositions of seed oils of three Turkish salvia species and biological activities
Kılıç, Turgut; Dirmenci, Tuncay; Satil, Fatih; Bilsel, Gökhan; Kocagöz, Zühtü Tanıl; Altun, Mehmet; Gören, Ahmet Ceyhan (Kluwer Academic/Plenum Publishers, 2005)The fatty acid composition of seed extracts of Salvia bracteata, S. aethiopis, and S. candidissima ssp. candidissima were analyzed by GC/MS. The main compound of S. bracteata, S. aethiopis, and S. candidissima ssp. candissima. ... -
Incorporation of an allene unit into 1,4-dihydronaphthalene: generation of 1,2-benzo-1,4,5-cycloheptatriene and its dimerization
Azizoğlu, Akın; Demirkol, Onur; Kılıç, Turgut; Yıldız, Yaşar Kemal (Pergamon-Elsevier Science Ltd, 2007)1-Bromo-1-fluoro-[1a,2,7,7a]-tetrahydro-1H-cyclopropa[b]naphthalene (19) has been prepared by the addition of bromolluoro-carbene to 1,4-dihydronaphthalene (18). Treatment of a solution of 19 in dry ether with MeLi afforded ... -
An investigation on the determination of diurnal and ontogenetic variations of essential oil composition in sideritis trojana growing in kazdagi (Edremit-Balikesir)
Paşa, Cenk; Selvi, Selami; Özer, Züleyha; Kılıç, Turgut (Kahramanmaraş Sütçü Imam Univ Rektörlüğü, 2019)This study was conducted to determine the essential oil composition and diurnal variations (9.00 am, 12.00 am and 16.00 pm) of Sideritis trojana Bornm. which was distributed naturally at the peak of Kazdagi. (Edremit-Balikesir), ... -
Isolation and biological activity of new and known diterpenoids from Sideritis strieta Boiss. & Heldr.
Kılıç, Turgut (MDPI, 2006)Nine known and one new ent-kaurene diterpenoid were isolated from the acetone extract of Sideritis stricta Boiss & Heldr. The new compound, identified as ent-1 beta-hydroxy-7 alpha-acetyl-15 beta,16 beta-epoxykaurane (1) ... -
Metabolic profile and biological activity of sideritis brevibracteata p. h. davis endemic to Turkey
Sağır, Züleyha Özer; Çarıkçı, Sema; Kılıç, Turgut; Gören, Ahmet C. (Taylor & Francis Ltd, 2017)Essential oil and phenolic compositions of Sideritis brevibracteata P.H. Davis, which is an endemic species in Turkey and commonly used as a herbal tea for some diseases, were determined by GC-MS and Liquid chromatography-mass ... -
Origanum L.cinsi amaracus ve anatolican seksiyonu türlerinin fitokimyasal analizleri ve biyolojik aktivite çalışmaları
Öncü, Merve (Balıkesir Üniversitesi Fen Bilimleri Enstitüsü, 2018)Bu çalışmada Origanum L. cinsi Amaracus (Origanum boissieri Ietsw, O. saccatum P. H. Davis, O. solymicum P. H. Davis, O. ayliniae Dirmenci, Akçiçek & Yazıcı) ve Anatolicon seksiyonu türlerinin (O. sipyleum L., O. hypericifolium ... -
Phenolic compounds from section majorana (mill.) benth of origanum L. species extracts via validated lc-ms/ms method
Çarıkçı, Sema; Kılıç, Turgut; Dirmenci, Tuncay; Gören, Ahmet Ceyhan (ACG Publications, 2022)Origanum majorana L., (OM), O. onites L. (OO) and O. syriacum L. (subsp. bevanii (Holmes) Greuter & Burdet) (OS) are belong to Majorana (Mill.) Benth. section of Origanum L. genus. In this study, quantities of some ... -
The phenolic contents, antioxidant and anticholinesterase activity of section Amaracus (Gled.) Vogel and Anatolicon Ietsw. of Origanum L. species
Özer, Züleyha; Gören, Ahmet Ceyhan; Kılıç, Turgut; Öncü, Merve; Çarıkçı, Sema; Dirmenci, Tuncay (Elsevier, 2020)Origanum boissieri Ietsw., O. saccatum P.H.Davis, O. solymicum P.H.Davis and O. ayliniae Dirmenci & T.Yazici belonging to sect. Amaracus (Gled.) Vogel, O. sipyleum L. and O. hypericifolium O.Schwarz & P.H.Davis belonging ... -
Phytochemical analysis of some Sideritis species of Turkey
Kılıç, Turgut; Yıldız, Yaşar; Gören, Ahmet C; Tümen, Gülendam; Topçu, Gülaçtı (Springer, 2003)Linearol, foliol, epicandicandiol, siderol and ent-7alpha,18-dihydroxy-15beta,16beta-epoxykaurane have been investigated for antibacterial activity test. Highest activity of epicandicandiol has been determined against E-coli. -
Phytochemical screening, antioxidant and anticholinesterase activity of origanum amanum post endemic to Turkey
Çarıkçı, Sema; Gören, Ahmet Ceyhan; Kılıç, Turgut; Dirmenci, Tuncay (Agrimedia GMBH, 2020)The phenolic and essential oil profiles and, antioxidant and anticholinesterase activities (AChE and BChE inhibitory activities) of Origanum amanum Post endemic to Turkey were investigated. The oil was obtained by applying ... -
Quantitative determination of some phenolics in Origanum laevigatum Boiss. extracts via validated LC-MS/MS method and antioxidant activity
Çarıkcı, Sema; Kılıç, Turgut; Özer, Züleyha; Dirmenci, Tuncay; Arabacı, Turan; Gören, Ahmet Ceyhan (ACG Publications, 2018)In this study, quantities of some phenolics; caffeic acid, (E)-ferulic acid, rosmarinic acid, chlorogenic acid, fumaric acid, gallic acid, pyrogallol and vanillin in the directly methanol (M1), chloroform (C), acetone (Ac) ... -
A research on determination of ontogenetic and diurnal variation of essential oil content and composition in hypericum kazdaghensis growing wild in ida
Paşa, Cenk; Kılıç, Turgut; Esendal, Enver (Univ Agricultural Sciences & Veterinary Medicine Bucharest, 2017)The research carries out the determination in Hypericum kazdaghensis types of components essential oil content for growing season in Mount Ida (Turkey-Balikesir-Edremit) in 2012. Moreover the diurnal and ontogenetic ...