Browsing by Author "Yener, Ismail"
Now showing items 1-20 of 24
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Bioguided Isolation of Secondary Metabolites fromSalvia cerino-pruinosa Rech. f. var. cerino-pruinosa
Kolak, Ufuk; Ertas, Abdulselam; Firat, Mehmet; Cakirca, Hatice; Topcu, Gulacti; Yener, Ismail; Akdeniz, Mehmet (2021)In the current study, the ethanol extracts prepared from the aerial parts and roots of an endemicspecies, Salvia cerino-pruinosa Rech. f. var. cerino-pruinosa were fractionated on silica gel columns and testedfor determination ... -
Biological and Chemical Comparison of Natural and CultivatedSamples of Satureja macrantha C.A.Mey.
Akdeniz, Mehmet; Hasimi, Nesrin; Ertas, Abdulselam; Oksuz, Sevil; Demirkoz, Asli Barla; Resitoglu, Baris; Yener, Ismail (2021)In this study, investigation on the essential oils and ethanol extracts of naturally grown and cultivatedSatureja macrantha samples were reported. The essential oil, flavour and terpenoid-steroid-flavonoid contents of ... -
Characterization of the Chemical Profile of Euphorbia Species from Turkey by Gas Chromatography-Mass Spectrometry (GC-MS), Liquid Chromatography-Tandem Mass Spectrometry (LC-MS/MS), and Liquid Chromatography-Ion Trap-Time-of-Flight-Mass Spectrometry (LC-IT-TOF-MS) and Chemometric Analysis
Yener, Ismail; Ertas, Abdulselam; Yilmaz, Mustafa Abdullah; Olmez, Ozge Tokul; Yilmaz, Pelin Koseoglu; Yesil, Yeter; Kaplaner, Erhan (Taylor & Francis Inc, 2019)The Euphorbiaceae family comprises of about 300 genera and 5000 species primarily distributed in America and tropical Africa. The Euphorbia genus is represented by 105 species and locally named as Sutlegen and Xasil in ... -
Chemical Profile of Malva Neglecta and Malvella Sherardiana by LC-MS/MS, GC/MS and Their Anticholinesterase, Antimicrobial and Antioxidant Properties With Aflatoxin-Contents
Hasimi, Nesrin; Ertas, Abdulselam; Oral, Elif Varhan; Yener, Ismail; Alkan, Huseyin; Boga, Mehmet; Yilmaz, Mustafa Abdullah (Marmara Univ, Fac Pharmacy, 2017)The purpose of the present work was to determine the phenolic and the fatty acids profiles by LC-MS/MS and GC/MS with their antioxidant, anticholinesterase and antimicrobial activities, and aflatoxin contents of Malva ... -
Comparison of chemical and biological properties of in vivo and in vitro samples of Salvia siirtica Kahraman, Celep & Dogan extracts prepared with different solvents
Fidan, Hilal Saruhan; Kilinc, Fatih Mehmet; Yilmaz, Mustafa Abdullah; Akdeniz, Mehmet; Yener, Ismail; Firat, Mehmet; Onay, Ahmet (Elsevier, 2021)The use of Salvia species among the public and their importance in the scientific world increase due to their numerous pharmacological and biological activities on a daily basis. In this study, the phytochemical contents ... -
A comprehensive LC-MS/MS method validation for the quantitative investigation of 37 fingerprint phytochemicals in Achillea species: A detailed examination of A. coarctata and A. monocephala
Yilmaz, Mustafa Abdullah; Ertas, Abdulselam; Yener, Ismail; Akdeniz, Mehmet; Cakir, Oguz; Altun, Muhammed; Demirtas, Ibrahim (Elsevier Science Bv, 2018)The current study aims to optimize and validate a comprehensive LC-MS/MS method for the quantification of 37 phytochemicals (15 phenolic acids, 17 flavonoids, 3 non-phenolic organic acids, 1 phenolic aldehyde and 1 ... -
Comprehensive study of chemical composition and biological activity of Thymus pubescens Boiss. et Kotschy ex Celak
Yigitkan, Serkan; Akdeniz, Mehmet; Yener, Ismail; Seker, Zeki; Yilmaz, Mustafa Abdullah; Firat, Mehmet; Kavak, Deniz Evrim (Elsevier, 2022)The use of Thymus species amongst the public and their importance in the scientific world is increasing day by day. In addition to being consumed as tea and spice, Thymus species are used as folk medicine for respiratory, ... -
A comprehensive study on chemical and biological profiles of three herbal teas in Anatolia; rosmarinic and chlorogenic acids
Ertas, Abdulselam; Yener, Ismail (Elsevier, 2020)[Abstract Not Available] -
Content analysis, nanoparticle forming potential and acaricidal effects on Tick (Hyalomma marginatum) of essential oils from two common Thymbra species
Kaya, Eda Cavus; Akdeniz, Mehmet; Ugurlu, Pelin; Yener, Ismail; Firat, Mehmet; Ertas, Abdulselam (Taylor & Francis Ltd, 2024)In this study, the fatty acid, essential oil and aroma composition of Thymbra sintenisii Bornm. & Aznav. subsp. sintenisii Bornm. & Aznav (TSS) and Thymbra sintenisii Bornm. & Azn. subsp. isaurica P.H.Davis (TSI) were ... -
A detailed study on chemical and biological profile of nine Euphorbia species from Turkey with chemometric approach: Remarkable cytotoxicity of E-fistulasa and promising tannic acid content of E-eriophora
Yener, Ismail; Olmez, Ozge Tokul; Ertas, Abdulselam; Yilmaz, Mustafa Abdullah; Firat, Mehmet; Kandemir, Sevgi Irtegun; Ozturk, Mehmet (Elsevier Science Bv, 2018)The propose of this study is to investigate the chemical constituents of nine Euphorbia species; namely, E. aleppica, E. eriophora, E. macroclada, E. grisophylla, E. seguieriana subsp. seguieriana, E. craspedia, E. ... -
Determination of essential oil and biological activities of Hypericum ternatum Poulter and H. scabrum L. species collected from different localities: is H. scabrum an alternative to multifunctional species ST JOHN'S WORT (H. perforatum)?
Akdeniz, Mehmet; Yener, Ismail; Irtegun Kandemir, Sevgi; Ozhan Kocakaya, Safak; Firat, Mehmet; Yigitkan, Serkan; Hasimi, Nesrin (Tubitak Scientific & Technological Research Council Turkey, 2022)The importance of Hypericum L. species, being used in traditional medicine, in the scientific world is increasing day by day. Hypericum species are plants that have been used in the treatment of many diseases for a long ... -
Effect of electromagnetic fields and antioxidants on the trace element content of rat teeth
Dogan, Mehmet Sinan; Yavas, Mehmet Cihan; Yavuz, Yasemin; Erdogan, Sait; Yener, Ismail; Simsek, Ibrahim; Akkus, Zeki (Dove Medical Press Ltd, 2017)The purpose of this study was to examine the possible effect of extremely low-frequency electromagnetic fields (ELF-EMFs), from a high-voltage source, on rat teeth in terms of changes in trace elements (TEs) and the effect ... -
Essential oil content, in-vitro and in-silico activities of Hypericum triquetrifolium Turra, H. empetrifolium subsp. empetrifolium Willd., and H. pruinatum Boiss. & Balansa species
Akdeniz, Mehmet; Yener, Ismail; Kocakaya, Safak Ozhan; Yolcu, Murat; Yigitkan, Serkan; Aydin, Firat; Turkmenoglu, Fatma Pinar (Istanbul Univ, Fac Pharmacy, 2023)Background and Aims: The importance of Hypericum species that are used traditionally against many diseases is increasing day by day.Methods: In this study, the essential oil contents of Hypericum triquetrifolium, H. ... -
A fast, accurate and comprehensive LC-MS/MS method validation for the sensitive quantification of water-soluble vitamins in walnut, almond, hazelnut and pistachio fruits
Yilmaz, Mustafa Abdullah; Cakir, Oguz; Yener, Ismail (Elsevier, 2023)Evaluating nutritional values of food products such as nuts has been of great importance nowadays. In the current study, development and validation of a robust and fast LC-MS/MS method was carried out for simultaneous ... -
A GC-MS method validation for quantitative investigation of some chemical markers inSalvia hypargeiaFisch. & CA Mey. of Turkey: Enzyme inhibitory potential of ferruginol
Bakir, Derya; Akdeniz, Mehmet; Ertas, Abdulselam; Yilmaz, Mustafa A.; Yener, Ismail; Firat, Mehmet; Kolak, Ufuk (Wiley, 2020)In the present study, a GC-MS method used for quantitative screening of 26 compounds (sclareolide, sclareol, ferruginol, cryptanol, 6,7-dehydroroyleanone, suginal, 9,10-dihydro-7,8-dimethyl-2-(1-methylethyl) phenanthren-3-ol, ... -
ICP-MS Determination of Lead Levels in Autopsy Liver Samples: An Application in Forensic Medicine
Arica, Enes; Yuksel, Bayram; Yener, Ismail; Dolak, Ibrahim; Gok, Ertugrul; Yilmaz, Eyup (Atomic Spectroscopy Press Ltd, 2018)The objective of this study was to develop and validate a senstitive ICP-MS method with no gas mode for the determination of Pb levels in autospy liver samples collected from patients in Diyarbakir, Turkey. The microwave-assisted ... -
Method validation of 15 phytochemicals inHypericum lysimachioidesvar.spathulatumby LC-MS/MS, and fatty acid, essential oil, and aroma profiles with biological activities
Akdeniz, Mehmet; Yilmaz, Mustafa Abdullah; Ertas, Abdulselam; Yener, Ismail; Firat, Mehmet; Aydin, Firat; Kolak, Ufuk (Springer, 2020)The aim of the present study was to develop and validate a LC-MS/MS method for quantification of 15 phytochemicals inHypericumspecies. The developed method was fully validated in terms of repeatability (inter-day and ... -
A new method for preconcentration of Th(IV) and Ce(III) by thermophilic Anoxybacillus flavithermus immobilized on Amberlite XAD-16 resin as a novel biosorbent
Yener, Ismail; Oral, Elif Varhan; Dolak, Ibrahim; Ozdemir, Sadin; Ziyadanogullari, Recep (Elsevier Science Bv, 2017)A novel approach has been improved for the preconcentration of Th(IV) and Ce(III) by using thermophilic Anoxybacillus flavithermus which were immobilized on Amberlite XAD-16 resin and analyzed by Inductively Coupled ... -
Phytochemical and biological investigations on two Nepeta species: Nepeta heliotropifolia and N. congesta subsp. cryptantha
Akdeniz, Mehmet; Ertas, Abdulselam; Yener, Ismail; Firat, Mehmet; Kolak, Ufuk (Wiley, 2020)In the present study, the essential oil and aroma compositions of Nepeta heliotropifolia (NH) and N. congesta subsp. cryptantha (NC) were determined by gas chromatography-mass spectrometry (GC-MS) and gas chromatography-flame ... -
A potential species for cosmetic and pharmaceutical industries: Insight to chemical and biological investigation of naturally grown and cultivated Salvia multicaulis Vahl
Akdeniz, Mehmet; Yener, Ismail; Yilmaz, Mustafa Abdullah; Kandemir, Sevgi Irtegun; Tekin, Fethullah; Ertas, Abdulselam (Elsevier, 2021)The importance of Salvia L. species, being used as traditional medicine, in the scientific world is increasing day by day. The relationship between health and traditional-modern life, promotes the creation of new value ...
