Kurum Yazarı "Demirci, Fatih" Scopus İndeksli Yayınlar Koleksiyonu İçin Listeleme
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Biological Activities of Bellis perennis Volatiles and Extracts
Kavalcıoğlu, Neslihan; Açık, Leyla; Demirci, Fatih; Demirci, Betül; Demir, Hülya; Başer, K. Hüsnü Can (Natural Products Inc, 2010)Different parts of Bellis perennis were subjected to hydrodistillation and the products were subsequently analyzed by GC and GC/MS. Aqueous and methanol extracts were prepared from the aerial parts. Antioxidant ... -
Biological activity and essential oil composition of two new Tanacetum chiliophyllum (Fisch & Mey.) Schultz Bip. var. chiliophyllum chemotypes from Turkey
Polatoğlu, Kaan; Demirci, Betül; Demirci, Fatih; Gören, Nezhun; Başer, K. Hüsnü Can (Elsevier, 2012)Water-distilled essential oils from aerial parts of Tanacetum chiliophyllum (Fisch. & Mey.) Schultz Bip. var. chiliophyllum, from two different localities in Turkey were analyzed by GC and GC/MS. The flower and stem oils ... -
Biotransformation of (-)-(R)-a-Phellandrene: Antimicrobial Activity of Its Major Metabolite
İşcan, Gökalp; Kırımer, Neşe; Demirci, Fatih; Demirci, Betül; Noma, Yoshiaki; Başer, K. Hüsnü Can (Wiley-V C H Verlag GMBH, 2012)Terpene derivatives converted by microbial biotransformation constitute an important resource for natural pharmaceutical, fragrance, and aroma substances. In the present study, the monoterpene a-phellandrene was biotransformed ... -
Biotransformation of (-)-?-Pinene by Botrytis cinerea
Farooq, A.; Choudhary, M. I.; Atta-ur-Rahman; Ahmed, Z.; Tahara, S.; Farooq, A.; Demirci, Fatih (2002)(-)-?-Pinene (1), a major constituent of many aromatic plants was biotransformed by the plant pathogenic fungus, Botrytis cinerea to afford three new metabolites, characterized as 3ß-hydroxy-(-)-ß-pinene (10%) (3), ... -
Biotransformation of ?-cedrol and caryophyllene oxide by the fungus Neurospora crassa
Kıran, İsmail; Durceylan, Zeynep; Kırımer, Neşe; Başer, K. Hüsnü Can; Noma, Yoshiaki; Demirci, Fatih (2010)Incubation of ?-cedrol and caryophyllene oxide with Neurospora crassa afforded 12ß-hydroxy cedrol, 10?-hydroxy cedrol, and 3?-hydroxy cedrol, and 12ß-hydroxy caryophyllene oxide as major metabolites, respectively. The ... -
Biotransformation of abietic acid by fungi and biological evaluation of its metabolites
Özşen, Özge; Kıran, İsmail; Dağ, İlknur; Atlı Eklioğlu, Özlem; Çiftçi, Gülsen Akalın; Demirci, Fatih (Elsevier Sci LTD, 2017)Biotransformation of abietic acid was carried out initially using 28 different microbial strains. Among the evaluated, Mucor ramannianus produced a known metabolite namely 2 alpha-hydroxy-dehydroabietic acid whereas ... -
Carbazoles and Hydrazone-Bridged Thiazole-Pyrrole Derivatives as New Inhibitors of alpha-Glucosidase
Ghani, Usman; Albarrag, Ahmed; Yurttaş, Leyla; Demirci, Fatih; Kaplancıklı, Zafer Asım (Wiley-V C H Verlag GMBH, 2018)Carbazoles and hydrazone-bridged thiazole-pyrrole derivatives are known to exhibit a wide range of biological activities including antimicrobial activity. This work is a further extension of their biological activities ... -
Characterization and Biological Activity of Achillea teretifolia Willd. and A. nobilis L. subsp. neilreichii (Kerner) Formanek Essential Oils
The aerial parts of the endemic Achillea teretifolia Willd. and A. nobilis L. subsp. neilreichii (Kerner) Formanek collected from Beysehir were investigated for their essential oil compositions and several biological ... -
Characterization of Sideritis trojana Bornm. essential oil and its antimicrobial activity
Kırmızıbekmez, Hasan; Karaca, Nursenem; Demirci, Betül; Demirci, Fatih (Marmara University, Fac Pharmacy, 2017)The components of the essential oil obtained from the dried aerial parts of Sideritis trojana Bornm. by hydrodistillation was analyzed both by GC-FID and GC-MS, simultaneously. Overall 57 compounds were identified representing ... -
Characterization of Szovitsia callicarpa Volatile Constituents Obtained by Micro- and Hydrodistillation
Demirci, Betül; Küçükboyacı, Nurgun; Adıgüzel, Nezaket; Başer, K. Hüsnü Can; Demirci, Fatih (Natural Products Inc, 2010)The volatile constituents of Szovitsia callicarpa Fisch. & C. A. Mey. were obtained from the fruits by microdistillation, due to the limited plant material availability. Initial GC-MS analyses of the obtained material ... -
Characterization of volatiles and anti-ulcerogenic effect of Turkish sweetgum balsam (Styrax liquidus)
Gürbüz, İlhan; Yeşilada, Erdem; Demirci, Betül; Sezik, Ekrem; Demirci, Fatih; Başer, K. Hüsnü Can (Elsevier Ireland LTD, 2013)Ethnopharmacological relevance: Sweetgum, Styrax liquidus (Turkish sweetgum) is a resinous exudate obtained from the wounded barks of Liquidambar orientalis Miller tree which belongs to Altingiaceae (Hamamelidaceae). The ... -
Chemical characterization and anticholinesterase effects of essential oils derived from Salvia species
Temel, Halide Edip; Demirci, Betül; Demirci, Fatih; Celep, Ferhat; Kahraman, Ahmet; Doğan, Musa; Başer, K. Hüsnü Can (Taylor & Francis Inc, 2016)Inhibitory effect of Salvia species herbal preparations on acetylcholinesterase (AChE) and butylcholinesterase (BuChE) activitiy may contribute to regulation of cognitive performance and impaired cholinergic functions in ... -
Chemical characterization and antimicrobial evaluation of Stachys citrina subsp. Citrina essential oil [Stachys Citrina subsp. Citrina uçucu yagi{dotless}ni{dotless}n kimyasal karakterizasyonu ve antimikrobiyal degerlendirilmesi]
Flowering aerial parts of Stachys citrina Boiss. et Heldr. subsp. citrina (Lamiaceae) being endemic for Turkey were subjected to hydrodistillation to obtain the essential oil which was further analysed by GC-FID and GC-MS, ... -
Chemical composition and antimicrobial activity of the essential oils of Lavandula stoechas L. ssp. stoechas growing wild in Turkey
The chemical compositions of the essential oils obtained by hydrodistillation from the dried leaves and flowers of Lavandula stoechas L. ssp. stoechas were separately identified by GC-FID and GC-MS analyses. The main ... -
Chemical Composition of the Essential Oil and Antimicrobial Activity of Scaligeria DC. Taxa and Implications for Taxonomy
Baldemir, Ayşe; Demirci, Betül; Paksoy, Mehmet Yavuz; Iİgün, Selen; Koşar, Müberraberra; Başer, K. Hüsnü Can; Demirci, Fatih (Acg Publications, 2018)Six different Scaligeria DC. taxa (Apiaceae) essential oils (EOs) obtained by hydrodistillation from herba with the flowers collected from different sites from Turkey. The oils were analyzed and characterized by gas ... -
Chemical composition, antioxidant and antimicrobial activities of essential oils from leaves, aerial stems, basal stems, and rhizomes of Etlingera fimbriobracteata (K.Schum.) RMSm.
Ud-Daula, A. F. M. Shahid; Demirci, Fatih; Abu Salim, Kamariah; Demirci, Betül; Lim, Linda B. L.; Başer, K. Hüsnü Can; Ahmad, Norhayati (Elsevier Science BV, 2016)Essential oils from the leaves, aerial stems, basal stems, and rhizomes of Etlingera fimbriobracteata (K.Schum.) R.M.Sm. were analyzed using a gas chromatography-flame ionization detector (GC-FID) and by gas chromatography-mass ... -
Chemical investigations on some hypericum species croeing in Turkey-I
The chemical composition of five taxa of the genus Hypericum L. obtained from herbarium specimens has been investigated. Namely, H. adenotriekam Spuch (endemic), H. calycinam L., H. cerastoides (Spach) Robson, H. mombretii ... -
Chemical investigations on some Hypericum species growing in Turkey-I
Erken, Semra; Malyer, Hulusi; Demirci, Fatih; Demirci, Betül; Başer, K. Hüsnü Can (Consultants Bureau, 2001)The chemical composition of five taxa of the genus Hypericum L obtained from herbarium specimens has been investigated. Namely, R adenotrichum Spach (endemic), H. calycinum L., H. cerastoides (Spach) Robson, 11 montbretii ... -
Chemistry and Biological Activities of Tanacetum chiliophyllum var. oligocephalum Extracts
Polatoğlu, Kaan; Karakoç, Ömer Cem; Demirci, Fatih; Gökçe, Ayhan; Gören, Nezhun (Aoac Int, 2013)Tanacetum chiliophyllum (Fisch. & Mey.) var. oligocephalum (D.C.) Sosn. collected in Turkey was subjected to phytochemical and biological evaluations in this study. Pure compounds were obtained from ethyl acetate extracts ... -
Chemistry of essential oils
Başer, K. Hüsnü Can; Demirci, Fatih (Springer Berlin Heidelberg, 2007)Essential oil, also defined as essence, volatile oil, etheric oil or aetheroleum, is a complex mixture of volatile constituents biosynthesised by living organisms. Essential oils can be liberated from their matrix by water, ...