Browsing by Author "Boga, Mehmet"
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
Yilmaz, Mustafa Abdullah; Gazioglu, IŞIL; Ertas, Abdulselam; Boga, Mehmet; Yesil, Yeter; Ugurlu, Pelin; Ozturk, Mehmet; Hasimi, Nesrin; Temel, Hamdi; Tel, Gulsen (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 ... -
Anticholinesterase and Antioxidant Activities of Natural Abietane Diterpenoids with Molecular Docking Studies
TOPÇU, GÜLAÇTI; Ozturk, Mehmet; Kolak, Ufuk; AKDEMİR, ATİLLA; Cakmar, Seda Damla Hatipoglu; BAHADORİ, FATEMEH; Boga, Mehmet (2020-01-01)Background: Alzheimer-s Disease (AD) is one of the most prevalent causes of dementia in the world, and no drugs available that can provide a complete cure. Cholinergic neurons of the cerebral cortex of AD patients are lost ... -
Antioxidant and anticholinesterase activities of eleven edible plants
Hacibekiroglu, IŞIL; Boga, Mehmet; Kolak, Ufuk (2011-03-01)Objective: The antioxidant potential and anticholinesterase activity of eleven edible plants were investigated. -
Antioxidant and Anticholinesterase Activities of Some Dialkylamino Substituted 3-Hydroxyflavone Derivatives
Öztürk, Turan; Topcu, Gülaçtı; Culhaoglu, Burcu; Capan, Asli; Boga, Mehmet; Ozturk, Mehmet (2017-01-01)Background: Flavones, are a class of naturally occuring polyphenolic compounds which have 2-phenylchromen-4-one structure. Various studies showed that flavones have several pharmacological activities such as antioxidant, ... -
Antioxidant, anticholinesterase, and antimicrobial activities and fatty acid constituents of Achillea cappadocica Hausskn. et Bornm.
Hasimi, Nesrin; GOREN, AHMET CEYHAN; Topcu, GÜLAÇTI; Kolak, Ufuk; Ertas, Abdulselam; Boga, Mehmet; Yesil, Yeter (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%), ... -
Chemical Composition of The Essential Oils of Three Centaurea Species Growing Wild in Anatolia and Their Anticholinesterase Activities
Ertas, Abdulselam; Kolak, Ufuk; DEMİRCİ, SERPİL; Boga, Mehmet; Goren, AHMET CEYHAN (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
Boga, Mehmet; Yesil, Yeter; Ertas, Abdulselam; Yilmaz, Mustafa Abdullah; Hasimi, Nesrin; Topcu, GÜLAÇTI; GOREN, Ahmet C.; Temel, Hamdi (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; Topcu, GÜLAÇTI; GOREN, AHMET CEYHAN; Kolak, Ufuk; Demirci, Serpil; Hasimi, Nesrin; Ceken, Bircan; Kizil, Murat; Boga, Mehmet (2015-03-01)Context: In Turkey, Veronica species (Plantaginaceae) have been used as a diuretic and for wound healing in traditional medicine. -
Chemical Profile of Malva Neglecta and Malvella Sherardiana by LC-MS/MS, GC/MS and Their Anticholinesterase, Antimicrobial and Antioxidant Properties With Aflatoxin-Contents
Boga, Mehmet; Oral, Elif Varhan; Yener, Ismail; Alkan, Huseyin; Yilmaz, Mustafa Abdullah; Gazioglu, IŞIL; Kolak, Ufuk; AKDENIZ, Mehmet; Ozaslan, Cumali; Yener, Ismail; Hasimi, Nesrin; Ertas, Abdulselam (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 ... -
Essential oil compositions and anticholinesterase activities of two edible plants Tragopogon latifolius var. angustifolius and Lycopsis orientalis
Ertas, Abdulselam; Goren, AHMET CEYHAN; Kolak, Ufuk; Yesil, Yeter; Boga, Mehmet (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 ... -
Fatty Acid, Essential Oil and Phenolic Compositions of Alcea pallida and Alcea apterocarpa with Antioxidant, Anticholinesterase and Antimicrobial Activities
KAPLAN, Muammer; Ertas, Abdulselam; Gazioglu, IŞIL; Boga, Mehmet; Yesil, Yeter; Hasimi, Nesrin; Ozaslan, Cumali; YILMAZ, Hasibe (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, ... -
Indole Alkaloids from Vinca major and V. minor Growing in Turkey
Turkekul, Ayla; Kartal, MURAT; Topcu, Gulacti; Bahadori, FATEMEH; Kolak, Ufuk; Boga, Mehmet (2012-06-01)A new indole alkaloid, 11-hydroxypolyneuridine, was isolated from Vinca major subsp. major L. and the known indole alkaloids vallesiachotamine and isovallesiachotamine from Vinca minor L. This is the first report on the ... -
Novel Terpenoids with Potential Anti-Alzheimer Activity from Nepeta obtusicrena
Boga, Mehmet; Topcu, GÜLAÇTI; Yilmaz, ANIL (2016-01-01)Dichloromethane extract of Nepeta obtusicrena Boiss. Et Kotschy Ex Hedge afforded two novel terpenoids, a diterpenoid and a triterpenoid in addition to two known triterpenoids, oleanolic acid and ursolic acid. Purification ... -
Phytochemical Investigation of Leontice leontopetalum L. subsp ewersmannii with Antioxidant and Anticholinesterase Activities
Boga, Mehmet; Hacibekiroglu, IŞIL; Ünal, Murat; Ulubelen, Ayhan; CHOUDHARY, M. Iqbal; Kolak, Ufuk; Özgökçe, Fevzi (2011-01-01)Two known quinolizidine alkaloids, lupanine and leontiformidine, were isolated from the tubers of L. leontopetalum subsp. ewersmannii. Lupanine having the highest inhibition of lipid peroxidation at 100 mu g/mL among the ... -
Phytochemical profile and some biological activities of three Centaurea species from Turkey
Alkan, Huseyin; Yesil, Yeter; Yilmaz, Mustafa A.; Oral, Elif Varhan; Ertas, Abdulselam; Boga, Mehmet; Goren, AHMET CEYHAN; Kolak, Ufuk; Temel, Hamdi (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. -
Two new indole alkaloids from Vinca herbacea L.
Boga, Mehmet; FARNSWORTH, Norman R.; Kolak, Ufuk; Bahadori, Fatemeh; Kartal, Murat; Topcu, GÜLAÇTI (2011-12-01)Six indole alkaloids were isolated from the aerial parts of Vinca herbacea Waldst. et Kit. Structures of the isolated compounds were elucidated as two new alkaloids, 10-methoxyraucaffrinoline (1) and 11-methoxyburnamine ...