Yazar "Gören, Ahmet Ceyhan" için listeleme
-
Bazı Sideritis (Sideritis niveotomentosa, Sideritis hololeuca, Sideritis brevidens) türlerinin diterpenik bileşenlerinin izolasyonu ve yapılarının tayini
Çarıkçı, Sema (Balıkesir Üniversitesi Fen Bilimleri Enstitüsü, 2010)Bu çalışmada Türkiye' de yetişen türler arasında en yüksek endemizm oranına sahip olan Sideritis türlerinden, Türkiye için endemik olan Sideritis niveotomentosa Huber - Morathii, S. hololeuca Boiss & Heldr. Apud Bentham, ... -
Composition of the essential oil of Satureja metastasiantha: a new species for the flora of Turkey
Çarıkçı, Sema; Gören, Ahmet Ceyhan; Dirmenci, Tuncay; Yalçınkaya, Burhanettin; Erküçük, Ayşen; Topçu, Gülaçtı (Walter De Gruyter GMBH, 2020)The aerial parts of Satureja metastasiantha were hydrodistilled for 3 h using a Clevenger-type apparatus. The essential oils were analyzed by gas chromatography/flame ionization detector and gas chromatography/mass ... -
Determination of secondary metabolites of Origanum vulgare subsp. hirtum and O. vulgare subsp. vulgare by LC-MS/MS
Özer, Züleyha; Çarıkçı, Sema; Yılmaz, Hasibe; Kılıç, Turgut; Dirmenci, Tuncay; Gören, Ahmet Ceyhan (ACG Publications, 2020)Secondary metabolites of solvent extracts of Origanum vulgare subsp. hirtum and O. vulgare subsp. vulgare were determined using liquid chromatography-mass spectrometry (LC-MS/MS). Curcumin was used as an internal standard. ... -
Diterpenoid and phenolic contents of Sideritis hololeuca Boiss & Heldr. Apud Bentham with antioxidant and anticholinesterase activity
Çarıkçı, Sema; Gören, Ahmet Ceyhan; Kılıç, Turgut (Walter De Gruyter GMBH, 2020)The objective of this study is to determine essential oil, diterpenoid and phenolic contents of Sideritis hololeuca along with their biological activities. Phytol was found to be the main component of the essential oil. ... -
Diterpenoids from sideritis condensata. evaluation of chemotaxonomy of sideritis species and insecticidal activity
Kılıç, Turgut; Çarıkcı, Sema; Topcu, Gülaçtı; Aslan, İrfan; Gören, Ahmet Ceyhan (Springer, 2009)Several aromatic plants are used as herbal tea in Turkey, and one of the most commonly used plants for herbal tea is the genus Sideritis, which is widely grown, particularly in Aegean and Mediterranean areas, and represented ... -
Ent-kaurene diterpenes from Sideritis athoa
Topçu, Gülaçtı; Gören, Ahmet Ceyhan; Yıldız, Yaşar Kemal; Tümen, Gülendam (Harwood Acad Publ Gmbh, 1999)Two new and six known ent-kaurene diterpenes were isolated from the whole plant of Sideritis athoa and their structures were elucidated as ent-3 alpha,18-dihydroxykaur-16-ene (1), athonolone (2), ent-3 beta-hydroxykaur-16-ene ... -
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 ... -
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 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. ... -
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 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) ... -
Sideritis adhoa papanikolau et kokkini bitkisinin diterpen bileşiklerinin izolasyonu ve yapı karakterizasyonu
Gören, Ahmet Ceyhan (Balıkesir Üniversitesi Fen Bilimleri Enstitüsü, 1997)Bu çalışma sadece Yunanistan'da Athoa Dağı'nda ve Türkiye'de Kazdağı bölgesinde yetişen Sideritis athoa bitkisinin diterpenik bileşiklerini elde etmek ve bunların kimyasal yapılarını belirlemek amacıyla yapılmıştır. Bu ... -
Synthesis, complexation, and biological activity studies of 4-aminomethyl-7,8-dihydroxy coumarines and their crown ether derivatives
Gümüş, Arzu; Karadeniz, Şeref; Uğraş, Halil İbrahim; Bulut, Mustafa; Çakır, Ümit; Gören, Ahmet Ceyhan (Wiley-Blackwell, 2010)The article focuses synthesis of novel 4-aminomethyl-7,8-dihydroxy coumarins and their crown ether derivatives. The purified novel coumarins and their crown ether derivatives were identified by (1)H NMR, (13)C NMR, mass ...
