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Chemical composition and antimicrobial activity of the essential oils of five Scrophularia L. Species from Turkey
The essential oils of the five Scrophularia species; Scrophularia chrysantha Jaub. et Spach, Scrophularia kotschyana Benth., Scrophularia olympica Boiss., Scrophularia cinerascens Boiss. and Scrophularia zuvandica Grossh. ... -
Chemical composition and antimicrobial activity of the essential oils of mosses (Tortula muralis Hedw., Homalothecium lutescens (Hedw.) H. Rob., Hypnum cupressiforme Hedw., and Pohlia nutans (Hedw.) Lindb.) from Turkey
Üçüncü, Osman; Cansu, Tayyibe Beyza; Özdemlr, Turan; Karaoğlu, Şengül Alpay; Yaylı, Nurettin (TÜBİTAK, 2010)The essential oils of mosses [Tortula muralis Hedw. (Pottiaceae), Homalothecium lutescens (Hedw.) H. Rob. (Brachytheciaceae), Hypnum cupressiforme Hedw. (Hypnaceae), and Pohlia nutans (Hedw.) Lindb. (Mniaceae)] were ... -
Chemical composition and antimicrobial activity of the volatile of Gladiolus atroviolaceus boiss
Kahriman, Nuran; Yücel, Murat; Yaylı, Büşra; Aslan, Tayfun; Karaoğlu, Şengül Alpay; Yaylı, Nurettin (Chemical Publishing Co., 2012)In the present study, essential oil extracted by hydrodistillation from Gladiolus atroviolaceus Boiss. (Iridaceae) was analyzed by gas chromatography (GC) and GC-mass spectrometry (MS). A total of 52 compounds were identified, ... -
The Chemical Composition of the Essential oil, SPME and Antimicrobial Activity of Rhododendron caucasicum Pall.
Fandaklı, Seda; Yaylı, Nurettin; Kahriman, Nuran; Uzunalıoğlu, Emel; Çolak, Nevin Ulaş; Yıldırım, Sercan; Yaşar, Ahmet (2019)The aim of this research was to investigate the effect of different extraction methods and chemical composition of the essential oil and solid-phase microextraction (SPME) from Rhododendrum caucasium Pall. The volatiles ... -
Chemical constituents and antimicrobial activity of the essential oil from vicia dadianorum extracted by hydro and microwave distillations
The aim of this research was to investigate the influence of extraction methods on yield and chemical composition of the essential oil of Vicia dadianorum Somm. & Lev. The volatiles of V. dadianorum have been isolated by ... -
Chemical variation, antimicrobial, nitric oxide scavenging activities and tyrosinase inhibition of essential oils and solvent extracts from filipendula vulgaris moench growing in Turkey
Fandaklı, Seda; Korkmaz, Büşra; Faiz, Özlem; Kılıç, Gözde; Erik, İshak; Terzioğlu, Salih; Yaylı, Nurettin (Shaheed Beheshti University, 2021)Volatile organic compositions of the essential oils (EOs), solid-phase microextraction (SPME) and SPME of n-hexane extracts from the flower and stem-leaf of Filipendula vulgaris (F. vulgaris) were analyzed by GC-FID/MS. A ... -
Comparative essential oil analysis of Calendula arvensis L. extracted by hydrodistillation and microwave distillation and antimicrobial activities
Tosun, Gonca; Yaylı, Büşra; Arslan, Tayfun; Yaşar, Ahmet; Karaoğlu, Şengül Alpay; Yaylı, Nurettin (2012)The present study was to investigate the influence of the extraction methods on yield and chemical composition of the essential oil of Calendula arvensis L. The volatiles of C. arvensis have been isolated by hydrodistillation ... -
Composition and antimicrobial activity of essential oil from the flower of Rhododendron luteum Sweet
Usta, Asu; Yaylı, Büşra; Kahrinman, Nuran; Karaoğlu, Şengül Alpay; Yaylı, Nurettin (Chemical Publishing Co., 2012)Essential oil from air-dried flower of Rhododendron luteum Sweet (Ericaceae), was obtained by hydrodistillation in a Clevenger-type apparatus and analyzed by GC-MS and GC-FID. Sixty-four components were identified in the ... -
Composition and antimicrobial activity of the essential oils from flowers of Senecio othonnae, S. racemosus, and S. nemorensis
Üçüncü, Osman; Kahriman, Nuran; Terzioğlu, Salih; Karaoğlu, Şengül Alpay; Yaylı, Nurettin (Natural Product Incorporation, 2010)The chemical composition of the essential oils of Senecio othonnae, S. racemosus, and S. nemorensis obtained by hydrodistillation of fresh flowers were analysed by GC-FID and GC-MS. A total of seventy-six compounds were ... -
Dihydroisocoumarins and phenylglycosides from scorzonera longiana, their antimicrobial activities and molecular docking studies
Korkmaz, Büşra; Renda, Gülin; Bozdal, Gözde; Coşkunçelebi, Kamil; Bozdeveci, Arif; Uzuner, Uğur; Yaylı, Nurettin (Wiley, 2023)Five new phenyl dihydroisocoumarin glycosides (1-5) and two known compounds (6-7) were identified from the butanol fraction of Scorzonera longiana. The structures of 1-7 were elucidated based on spectroscopic methods. ... -
Essential oil analysis and antimicrobial activity of neckera complanata (Hedw.) huebener and neckera crispa Hedw. (Neckeraceae) grown in Turkey
Cansu, Tayyibe Beyza; Özdemir, Turan; Batan, Nevzat; Yaylı, Büşra; Karaoğlu, Şengül Alpay; Yaylı, Nurettin (Chemical Publishing Co., 2014)In this work, the essential oils obtained by hydrodistillation from Neckera complanata (Hedw.) Huebener and Neckera crispa Hedw (Neckeraceae) were analyzed by GC-FID and GC-MS. Twenty-one compounds in the oil of N. complanata, ... -
Essential oil composition, antimicrobial and antioxidant activities of Salvia staminea
Çolak, Nevin Ulaş; Yıldırım, Sercan; Bozdeveci, Arif; Yaylı, Nurettin; Çoşkunçelebi, Kamil; Fandaklı, Seda; Yaşar, Ahmet (2018)Volatile constituents of the essential oil which was obtained by hydrodistillation (HD) in a Clevengertype apparatus from the air-dried Salvia staminea Montbret & Aucher ex Bentham (Lamiaceae) collected from Bayburt (North ... -
Essential oil compositions of four mushrooms: Scleroderma verrucosum, Cortinarius infractus, Hypholama capnoides and Hypholama fasciculare from Turkey
The chemical composition of the essential oils obtained from four varieties of Mushrooms, ie. Scleroderma verrucosum, Cortinarius infractus, Hypholama capnoides and Hypholama fasciculare were analyzed by GC-MS. 13, 36, 8 ... -
Microwave assisted essential oil analysis and antimicrobial activity of M. alpestris subsp. alpestris
Cansu, Tayyibe Beyza; Yücel, Murat; Sinek, Kadriye; Baltacı, Cemalettin; Karaoğlu, Şengül Alpay; Yaylı, Nurettin (2011)The present work describes the chemical composition and antimicrobial activity of the essential oil of Myosotis alpestris F.W. Schmidt subsp. alpestris (Boraginaceae). The essential oil was obtained from all parts of the ... -
Microwave-assisted synthesis of 4′-azaflavones and their n-alkyl derivatives with biological activities
Yaşar, Ahmet; Akapınar, Kurtuluş; Burnaz, Nesibe Arslan; Küçük, Murat; Karaoğlu, Şengül Alpay; Doğan, Neşe; Yaylı, Nurettin (Wiley, 2008)4?-Azaflavone (=2-(pyridin-4-yl)-4H-1-benzopyran-4-one; 4) and 3-[(pyridin-4-yl)methyl]-4?-azaflavone (5) were synthesized by a simple environmentally friendly microwave-assisted one-pot method through the cyclization of ... -
Molecular docking, synthesis and biological evaluation (enzyme inhibition, antimicrobial and antioxidant) of methoxy benzoin/benzil/stilbenoid derivatives
Yaylı, Nurettin; Kahriman, Nuran; Kılıç, Gözde; Serdaroğlu, Vildan; Aliyazıcıoğlu, Rezzan; Sellitepe, Hasan Erdinç; Karaoğlu, Şengül Alpay; Yılmaz, Gizem Tatar (ACG Publications, 2022)In this study. methoxy benzoin compounds (1-10) were synthesized from the corresponding aromatic aldehydes based on a screening of biological activity. Oxidation and reduction of benzoins (1-10) yielded the corresponding ... -
New chlorogenic acid derivatives and triterpenoids from Scorzonera aucheriana
Erik, İshak; Coşkunçelebi, Kamil; Makbul, Serdar; Yaylı, Nurettin (The Scientific and Technological Research Council of Turkey-TUBİTAK, 2021)Chromatographic separation of n-hexane and ethyl acetate fraction of a crude methanol extract obtained from aerial parts of the Scorzonera aucheriana DC collected from Sivas province of Turkey yielded nine natural compounds; ... -
New pyrimidine-N-β-D-glucosides: synthesis, biological evaluation, and molecular docking investigations
Kahriman, Nuran; Peker, Kıvanç; Serdaroğlu, Vildan; Aydın, Ali; Türkmenoğlu, Burçin; Usta, Asu; Yaylı, Nurettin (Scientific Technical Research Council Turkey, TÜBİTAK, 2023)In this study, syntheses of new pyrimidine-coupled N-beta-glucosides and tetra-O-acetyl derivatives were carried out. All glycoconjugates were investigated in comparison with known chemotherapeutic agents in terms of their ... -
Novel 2-amino-4-aryl-6-pyridopyrimidines and N-alkyl derivatives: Synthesis, characterization and investigation of anticancer, antibacterial activities and DNA/BSA binding affinities
Kahriman, Nuran; Peker, Kıvanç; Serdaroğlu, Vildan; Aydın, Ali; Usta, Asu; Fandaklı, Seda; Yaylı, Nurettin (Academic Press Inc Elsevier Science, 2020)A series of new 2-amino-4-aryl-6-pyridopyrimidines, and their N-alkyl bromide derivatives were designed and synthesized by employing methyl substituted azachalcones. These novel compounds were evaluated and compared to the ... -
Phenylenediamine, salicylic acid, stoichiometry, formation constant, speplot, metal complexes
Tosun, Gonca; Kahriman, Nuran; Çoskunçelebi, Kamil; Genç, Hasan; Karaoğlu, Şengül Alpay; Yaylı, Nurettin (2011)The present work describes the chemical composition and antimicrobial activity of the essential oil of Campanula olympica Boiss. which was isolated from the all parts of the plant by hydrodistillation and analyzed by GC-FID ...