Yazar "Özer, Mehmet Sabih" için listeleme
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Chromatographic profile and antioxidant and enzyme inhibitory activity of Sideritis leptoclada: An endemic plant from Turkey
Sarıkürkçü, Cengiz; Özer, Mehmet Sabih; İstifli, Erman Salih; Şahinler, Saliha Şeyma; Tepe, Bektaş (Elsevier B.V., 2021)Sideritis species have been used for centuries for their antimicrobial, digestive, anti-ulcerogenic and anti-inflammatory properties. Therefore, in this study, it was aimed to evaluate the chemical composition, antioxidant ... -
Comparison of methanolic extracts of Doronicum orientale and Echium angustifolium in terms of chemical composition and antioxidant activities
Arumugam, Radjassegarin; Sarıkürkçü, Cengiz; Özer, Mehmet Sabih (Elsevier Ltd, 2021)Medicinal plants have been a priceless source of medication in nearly all cultures and societies worldwide due to the presence of phytochemicals and their wide range of therapeutic potentials including antioxidants. In ... -
Comparison of the Influence of the Solvent on the Extraction of the Bioactive Compounds from Marrubium lutescens Using Liquid Chromatography–Electrospray Ionization Tandem Mass Spectrometry (LC-ESI-MS/MS)
Sarıkürkçü, Cengiz; Özer, Mehmet Sabih; Tlili, Nizar (Taylor and Francis Inc., 2020)To our knowledge, this is the first study on the influence of water, ethyl acetate and methanol as the extraction solvent upon the bioactive compound composition, antioxidant capacities and enzyme inhibitory activities of ... -
Enzyme and biological activities of the water extracts from the plants aesculus hippocastanum, olea europaea and hypericum perforatum that are used as folk remedies in Turkey
Sarıkürkçü, Cengiz; Locatelli, Marcello; Tartaglia, Angela; Ferrone, Vincenzo; Juszczak, Aleksandra M.; Özer, Mehmet Sabih; Tepe, Bektaş; Tomczyk, Michał (MDPI AG, 2020)Phenolic compounds are secondary metabolites that are found ubiquitously in plants, fruits, and vegetables. Many studies have shown that regular consumption of these compounds could have a positive effect on our health. ... -
LC-MS/MS analyses and biological activities of Onosma sintenisii and O. mutabile
Özer, Mehmet Sabih; Sencan, Kemal Erdem; Sarıkürkcü, Cengiz; Tepe, Bektaş (İzzet KARA, 2022)This study was aimed to investigate the chemical compositions, in vitro antioxidant and enzyme inhibitory activities of methanol extracts from O. sintenisii and O. mutabile. Spectrophotometric analyzes showed that the total ... -
LC-MS/MS profiles and interrelationships between the enzyme inhibition activity, total phenolic content and antioxidant potential of Micromeria nervosa extracts
Sarıkürkçü, Cengiz; Andrade, Jacqueline Cosmo; Özer, Mehmet Sabih; Ferreira de Lima Silva, Joao Marcos; Ceylan, Olcay; de Sousa, Erlanio Oliveira; Melo Coutinho, Henrique Douglas (Elsevier Sci Ltd, 2020)The objective of this study was to quantify the phenolic compounds and to evaluate and compare the biological activities of the ethyl acetate (EtOAc), methanolic (MeOH) and aqueous extracts from the Micromeria nervosa ... -
LC–ESI–MS/MS characterization of phytochemical and enzyme inhibitory effects of different solvent extract of Symphytum anatolicum
Sarıkürkçü, Cengiz; Özer, Mehmet Sabih; Tlili, Nizar (Elsevier B.V., 2019)Symphytum anatolicum Boiss., is a species belonging to the Boraginaceae family and have been used for its curative effects. This work investigated, for the first time, the bioactive compounds, the antioxidant activities ... -
Liquid Chromatography–Electrospray Ionization Tandem Mass Spectrometry (LC-ESI-MS/MS) Identification of Phytochemicals and the Effects of Solvents on Phenolic Constituents, Antioxidant Capacity, Skin-Whitening and anti-Diabetic Activity of Onosma mitis
Tlili, Nizar; Sarıkürkçü, Rıfat Tayyib; Özer, Mehmet Sabih; Sarıkürkçü, Cengiz (Taylor & Francis Group, 24.05.2021)To the best of our knowledge, this is the first study on the effect of solvent (water, methanol, and ethyl acetate) upon phenolics extracted from Onosma mitis. The antioxidant capacities together with the enzyme inhibitory ... -
Nutraceutical extracts from some endemic Onosma (O. circinnata, O. bornmuelleri, and O. angustissima) species: LC–ESI-MS/MS–based polyphenol profile, antioxidant and enzyme inhibition activities
Sarıkürkçü, Cengiz; Şahinler, Saliha Şeyma; Özer, Mehmet Sabih; Şıhoğlu Tepe, Arzuhan (Wiley, 18.06.2021)This study aimed to determine the chemical composition of methanol extracts from Onosma circinnata, Onosma bornmuelleri, and Onosma angustissima and to investigate their antioxidant and enzyme inhibitory activities. ... -
Phenolic composition and biological activities of Turkish endemic plant: Stachys cretica subsp. kutahyensis
Benabderrahim, Mohamad Ali; Sarıkürkçü, Cengiz; Elfalleh Walid; Özer, Mehmet Sabih; Ceylan, Olcay (Elsevier B.V., 2021)Stachys cretica L. subsp. kutahyensis is a Turkish endemic plant specie and used in flock medicine against many diseases. To our knowledge, no data are available on the chemical composition and the biological activities ... -
Valeriana dioscoridis aerial parts' extracts - A new source of phytochemicals with antioxidant and enzyme inhibitory activities
Sarıkürkçü, Cengiz; Jeszka-Skowron, Magdalena; Özer, Mehmet Sabih (Elsevier B.V., 2020)Valeriana root extracts are used in herbal medicine for treating sleep disorders. There is a lack of information of phytochemical composition of Valeriana dioscoridis aerial parts’ extracts. The aim of the study was to ...