Browsing by Author "Ertas, Abdulselam"
Now showing items 1-16 of 16
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A detailed study on the chemical and biological profiles of essential oil and methanol extract of Thymus nummularius (Anzer tea): Rosmarinic acid
Ertas, Abdulselam; Boga, Mehmet; Yilmaz, Mustafa Abdullah; Yesil, Yeter; Tel, Gulsen; Temel, Hamdi; Hasimi, Nesrin; Gazioglu, IŞIL; Ozturk, Mehmet; Ugurlu, Pelin (2015-05-01)The aim of this study was to determine the chemical profile of Thymus nummularius by LC-MS/MS and GC/MS. Additionally, the methanol extract, essential oil and some individual main compounds of Thymus nummularius were tested ... -
Antioxidant, anticholinesterase activities and polyphenolic constituents of cones of algerian fir (Abies numidica) by LC-ESI-MS/MS with chemometric approach
Mokaddem-Daroui, Habiba; Mostefa, Maya Belhadj; Aydogmus-Ozturk, Fatma; Erol, EBRU; Ozturk, Mehmet; Ertas, Abdulselam; Duru, Mehmet Emin; Kabouche, Ahmed; Kabouche, Zahia (2021-01-01)The fractions (Fr.1-5) of the hydromethanolic extract of Abies numidica cones were studied for their polyphenol constituents, antioxidant, and anticholinesterase activities. The beta-carotene-linoleic acid, cupric reducing ... -
Antioxidant, anticholinesterase, and antimicrobial activities and fatty acid constituents of Achillea cappadocica Hausskn. et Bornm.
Ertas, Abdulselam; Boga, Mehmet; Hasimi, Nesrin; Yesil, Yeter; GOREN, AHMET CEYHAN; Topcu, GÜLAÇTI; Kolak, Ufuk (2014-01-01)This study was the first fatty acid analysis and biological activity report on an endemic Achillea species, Achillea cappadocica Hausskn. et Bornm. The major compounds in the fatty acid were identified as oleic (34.7%), ... -
Bioguided Isolation of Secondary Metabolites from Salvia cerino-pruinosa Rech. f. var. cerino-pruinosa
Ertas, Abdulselam; Cakirca, Hatice; Yener, Ismail; Akdeniz, Mehmet; Fırat, Mehmet; TOPÇU, GÜLAÇTI; KOLAK, Ufuk (2021-11-01)In the current study, the ethanol extracts prepared from the aerial parts and roots of an endemic species, Salvia cerino-pruinosa Rech. f. var. cerino-pruinosa were fractionated on silica gel columns and tested for ... -
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; Yılmaz, Mustafa Abdullah; Olmez, Ozge Tokul; Yilmaz, Pelin Koseoglu; Yesil, Yeter; Kaplaner, Erhan; Ozturk, Mehmet; Temel, Hamdi; Kolak, Ufuk; Topcu, GÜLAÇTI (2019-05-03)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- ... -
Chemical Composition of The Essential Oils of Three Centaurea Species Growing Wild in Anatolia and Their Anticholinesterase Activities
Ertas, Abdulselam; Goren, AHMET CEYHAN; Boga, Mehmet; DEMİRCİ, SERPİL; Kolak, Ufuk (2014-09-03)This report represents the first study on the chemical composition of essential oil of endemic Centaurea lycopifolia. This report also represents the first study on the anticholinesterase activity of essential oils of C. ... -
Chemical Profile and Biological Activities of Two Edible Plants: Chemical Investigation and Quantitative Analysis Using Liquid Chromatography Tandem Mass Spectrometry and Gas Chromatography Mass Spectrometry
Ertas, Abdulselam; Yilmaz, Mustafa Abdullah; Boga, Mehmet; Hasimi, Nesrin; Yesil, Yeter; GOREN, Ahmet C.; Temel, Hamdi; Topcu, GÜLAÇTI (2016-01-02)The objectives of this study were to define the phenolic and fatty acid profiles, anticholinesterase, antioxidant, antimicrobial activities, and total phenolic-flavonoid contents of Lycopsis orientalis and Tragopogon ... -
Chemical profile and biological activities of Veronica thymoides subsp pseudocinerea
Ertas, Abdulselam; Boga, Mehmet; Kizil, Murat; Ceken, Bircan; GOREN, AHMET CEYHAN; Hasimi, Nesrin; Demirci, Serpil; Topcu, GÜLAÇTI; Kolak, Ufuk (2015-03-01)Context: In Turkey, Veronica species (Plantaginaceae) have been used as a diuretic and for wound healing in traditional medicine. Objective: To examine the fatty acid and essential oil profiles, the antioxidant, ... -
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; Yener, Ismail; Alkan, Huseyin; Boga, Mehmet; Yilmaz, Mustafa Abdullah; Gazioglu, IŞIL; Ozaslan, Cumali; AKDENIZ, Mehmet; Kolak, Ufuk (2017-01-01)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 ... -
Complete C-13 NMR assignments for ent-kaurane diterpenoids from Sideritis species
Halfon, Belkis; GOREN, AHMET CEYHAN; Ertas, Abdulselam; Topcu, GÜLAÇTI (2011-05-01)In this work, the detailed NMR studies and full C-13 NMR assignments for five diterpenoids isolated from Sideritis caesarea and Sideritis athoa are described. The assignments are based on a combination of 1D and 2D NMR ... -
Di-, and Triterpenoids Isolation and LC-MS Analysis of Salvia marashica Extracts with Bioactivity Studies
Toraman, Gulbahar O. Alim; Aydin, Sibel Kiran; Ertas, Abdulselam; Boga, Mehmet; EROL, EBRU; Saygi, Tuba Kusman; Halfon, Belkis; TOPÇU, GÜLAÇTI (2021-11-01)In this study, dichloromethane, acetone, and methanol extracts of the aerial parts of the Salvia marashica plant which is an endemic species to Anatolia, were investigated. The total phenolic amounts of these extracts were ... -
Ent-kaurane diterpenoids isolated from Sideritis congesta
Topcu, GÜLAÇTI; Ertas, Abdulselam; Ozturk, Mehmet; Dincel, Demet; Kilic, Turgut; Halfon, Belkis (2011-12-01)A new ent-kaurane diterpenoid, together with eight known ent-kauranes, were isolated from the petroleum ether and acetone extracts of the whole plant of Sideritis congesta P. H. Davis & Hub.-Mor. and their structures were ... -
Essential oil compositions and anticholinesterase activities of two edible plants Tragopogon latifolius var. angustifolius and Lycopsis orientalis
Ertas, Abdulselam; Goren, AHMET CEYHAN; Boga, Mehmet; Yesil, Yeter; Kolak, Ufuk (2014-01-01)This is the first report in the literature on essential oil compositions of Tragopogon latifolius var. angustifolius and Lycopsis orientalis which were analysed by using GC-FID and GC-MS techniques. The main constituents ... -
Evaluation of Antioxidant, Cholinesterase Inhibitory and Antimicrobial Properties of Mentha longifolia subsp noeana and Its Secondary Metabolites
Ertas, Abdulselam; Goeren, AHMET CEYHAN; Hasimi, Nesrin; Tolan, Veysel; Kolak, Ufuk (2015-01-01)The aim of the present study was to determine the chemical structures of the isolated compounds, the essential oil and fatty acid compositions of Mentha longifolia subsp. noeana with their biological activities. Ursolic ... -
Fatty Acid, Essential Oil and Phenolic Compositions of Alcea pallida and Alcea apterocarpa with Antioxidant, Anticholinesterase and Antimicrobial Activities
Ertas, Abdulselam; Boga, Mehmet; Gazioglu, IŞIL; Yesil, Yeter; Hasimi, Nesrin; Ozaslan, Cumali; YILMAZ, Hasibe; KAPLAN, Muammer (2016-01-01)This study was the first phytochemical and biological activity report on Alcea pallida and Alcea apterocarpa extracts. The main constituents of the essential oils were identified as arachidic acid (34.2%) for A. pallida, ... -
Phytochemical profile and some biological activities of three Centaurea species from Turkey
Boga, Mehmet; Alkan, Huseyin; Ertas, Abdulselam; Oral, Elif Varhan; Yilmaz, Mustafa A.; Yesil, Yeter; Goren, AHMET CEYHAN; Temel, Hamdi; Kolak, Ufuk (2016-09-01)Purpose: To characterise the phytochemical profile of whole plants of Centaurea balsamita, C. depressa and C. lycopifolia with LC-ESI-MS/MS, and as well as their antioxidant, anticholinesterase and antimicrobial activities.
