Browsing by Author "Kılıç, Turgut"
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Analysis of essential oil composition of Thymbra spicata var. spicata: Antifungal, antibacterial and antimycobacterial activities
Kılıç, Turgut (Walter De Gruyter Gmbh, 2006)The fresh leaves and brine of leaves of Thymbra spicata var. spicata (KARAKIZ (TM)) were analyzed by hydrodistillation, headspace and GC/MS techniques. The main components were determined as carvacrol, p-cymene, beta-myrcene, ... -
Bazı flavon türevlerinin enzim katalizli sentezi ve aktivitelerinin araştırılması
Çabaş, Büşra (Balıkesir Üniversitesi Fen Bilimleri Enstitüsü, 2017)Bu çalışmada; İlk aşamada bir flavonoid olan kaempferol molekülünün açil türevinin enzim katalizli reaksiyon ile bölge seçimli olarak sentezlenmesi amaçlanmıştır. Reaksiyonda enzim olarak Candida antarctica’dan elde edilen ... -
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, ... -
Bioactive Turkish plant extracts and their constituents
Tümen, Gülendam; Kılıç, Turgut; Gören, Ahmet C.; Barla, Ash; Topçu, Gülaçtı; Türkmen, Zeynep; Kingston, David G. I. (Springer, 2009)Over 200 plant extracts were prepared from different family plants of rich flora of Turkey, in a frame of international collaborative project "Bioactive Turkish Plant Constituents". The plants were chosen randomly and/or ... -
Chemical constituents of two endemic sideritis species from Turkey with antioxidant activity
Çarıkçı, Sema; Kılıç, Turgut; Azizoğlu, Akın; Topçu, Gülaçtı (Acg Publications, 2012)In this study, two Sideritis species, endemic to Turkey, S. niveotomentosa Huber - Morathii, S. brevidens P. H. Davis have been studied for their diterpenic compounds and the antioxidant properties. Eight known diterpenoids, ... -
Chemical profile of the Anatolian Sideritis species with bioactivity studies
Çarıkçı, Sema; Kılıç, Turgut; Gören, Ahmet C.; Dirmenci, Tuncay; Toraman, Gülbahar Özge Alim; Topçu, Gülaçtı (Taylor & Francis Ltd, 2023)Context: The genus Sideritis L. (Lamiaceae) is represented by 46 species in Turkey with an 79% endemism ratio, 42 of 46 belonging to the section Empodoclia. Objective: In this review article, Sideritis species growing ... -
Chemotaxonomic evaluation of species of Turkish salvia: Fatty acid composition of seed oils. II.
Kılıç, Turgut; Dirmenci, Tuncay; Gören, Ahmet C. (Acg Publications, 2007)Fatty acids composition of seed oil of Salvia viridis, S. hydrangea, S. blepharochleana, S. chianantha, S. staminea, S. hypergeia,, S. cilicica, S. caespitosa, S. sclarea, S. cadmica, S. microstegia, S. pachystachys and ... -
Chemotaxonomic evaluation of Turkish species of Salvia: Fatty acid compositions of seed oils
Gören, Ahmet C.; Kılıç, Turgut; Dirmenci, Tuncay; Bilsel, Gökhan (Pergamon-Elsevier Science Ltd, 2006)Fatty acid composition of nine species of Salvia, naturally growing in Turkey was determined: Salvia syriaca, Salvia potentilli-folia, Salvia candidissima ssp. occidentalis, Salvia macrochlamys, Salvia poculata, Salvia ... -
Comparative experimental and theoretical study on the molecular structure and spectroscopic properties of sideroxol isolated from Sideritis stricta and its electronic properties
Azizoğlu, Akın; Özer, Züleyha; Çarıkçı, Sema; Kılıç, Turgut (Taras Shevchenko Natl Univ Kyiv, 2021)Sideroxol, a kaurene diterpene, was obtained from the acetone extract of Sideritis stricta plant. The ground-state molecular geometry, vibrational frequencies, and NMR chemical shifts were also investigated by using various ... -
Computational and experimental study on 7-epicandicandiolisolated from sideritis niveotomentosa huber - morathii
Yıldız, Cem Burak; Sağır, Züleyha Özer; Kılıç, Turgut; Azizoğlu, Akın (Univ Babes-Bolyai, 2014)7-epicandicandiol is an ent-kaurane diterpenoid isolated from Sideritis niveotomentosa Huber - Morathii. The molecular geometry, vibrational frequencies, and gauge including atomic orbital (GIAO) H-1- and C-13-NMR chemical ... -
Çeşitli sideritis türlerinden izole edilen linearol bileşiği üzerine deneysel ve hesapsal çalışmalar
Çıtak, Selvihan (Balıkesir Üniversitesi Fen Bilimleri Enstitüsü, 2012)Sideritis L.(Lamiaceae) cinsi, Türkiye'de 36'sı endemik 46 tür ile temsil edilmektedir. Türkiye'de yetişen Sideritis türleri uçucu yağları, diterpen ve flavonoid bileşikleri bakımından zengindir. Bu çalışmanın ilk aşamasında ... -
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. ... -
Diterpenes from Sideritis argyrea
Topçu, Gülaçtı; Gören, Ahmet C.; Kılıç, Turgut; Yıldız, Yaşar Kemal; Tümen, Gülendam (Elsevier Science Bv, 2001)The known ent-kaurene diterpenes 1-9 and a new ent-labdane, ent-6 beta ,8 alpha -dihydroxyl-abda-13(16),14-diene (10), were isolated from the whole plant of Sideritis argyrea. Their structures were elucidated based on one- ... -
Diterpenes from Sideritis sipylea and S-dichotoma
Topçu, Gülaçtı; Gören, Ahmet C.; Kılıç, Turgut; Yıldız, Yaşar; Tümen, Gülendam (Scientific Technical Research Council Turkey-Tubitak, 2002)Two Sideritis species afforded eleven kaurene and one beyerene diterpenes. Structures of the compounds from Sidcritis sipylca were elucidated as linearol (1), 7-epicandicandiol (2), sideridiol (3), siderol (4), isolinearol ... -
Diterpenes from Sideritis trojana
Topçu, Gülaçtı; Gören, Ahmet C.; Kılıç, Turgut; Yıldız, Yaşar; Tümen, Gülendam (Taylor & Francis Ltd, 2002)Six known ent-kaurene, a new ent-kaurane and a new pimarane diterpenes were isolated from Sideritis trojana. The structures of new compounds were determined as ent-7alpha-15beta,16beta-epoxykaurane (1), and ent-2alpha-hy ... -
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 ... -
Diterpenoids from Sideritis tmolea P. H. Davis
Çarıkıçı, Sema; Çöl, Ciğdem; Kılıç, Turgut; Azizoğlu, Akın (Acg Publications, 2007)Four known ent-kaurene diterpenoids 1-4 were isolated from the acetone extract of Sideritis tmolea P. H. Davis by using different chromatographic methods. The structures of the isolated compounds were determined as siderol ... -
Effect of different drying methods and development stages on the essential oil chemical composition of aerial parts of origanum vulgare l. subsp. hirtum (link) letsw
Özer, Züleyha; Kılıç, Turgut; Selvi, Selami; Paşa, Cenk (Taylor & Francis Ltd, 2018)In this study, the effects of different methods of drying (sun, shade, and oven-drying at 45 degrees C for 12 hours) and development stages (pre, full, and post-flowering) on the essential oil composition and yield ratio ... -
Effects of some lamiaceae species methanol extracts on potential mycotoxin producer fungi
Aşkun, Tülin; Tümen, Gülendam; Satıl, Fatih; Kılıç, Turgut (Taylor & Francis Inc, 2008)In this study, antifungal effects of some Lamiaceae species (Thymbra spicata L. Satureja hortensis L., Origanum onites L., O. vulgare L. subsp. hirtum (Link) Iestswaart, O. vulgare L. subsp vulgare, O. minutiflorum O. ...
