Yazar "Ceylan, Olcay" için listeleme
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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 ... -
Onosma ambigens: Phytochemical composition, antioxidant and enzyme inhibitory activity
Sarıkürkçü, Cengiz; Şahinler, Saliha Şeyma; Ceylan, Olcay; Tepe, Bektaş (Elsevier, 2020)Due to their medical importance, the number of studies on the enlightenment of the biological activities of Onosma species has been increasing over the years. In this study, besides the phytochemical composition of Onosma ... -
Onosma polyanthavs.Onosma mollis: Analysis of Phenolic Compounds Using Liquid Chromatography-Electrospray Ionization Tandem Mass Spectrometry (LC-ESI-MS/MS) and Assessment of the Antioxidant Activity
Tlili, Nizar; Sarıkürkçü, Rıfat Tayyib; Ceylan, Olcay; Sarıkürkçü, Cengiz (Taylor & Francis Inc, 2021)To our knowledge, this is the first work on the influence of species upon the bioactive molecules, antioxidant properties, and enzyme inhibitory capacities against tyrosinase and alpha-amylase ofOnosma polyanthaandO. mollis. ... -
Onosma pulchra: Phytochemical composition, antioxidant, skin-whitening and anti-diabetic activity
Sarıkürkçü, Cengiz; Şahinler, Saliha Şeyma; Ceylan, Olcay; Tepe, Bektaş (Elsevier, 2020)Researchers have discovered in recent years that some Onosma species have interesting biological/pharmacological activities. This study was conducted to investigate the antioxidant, tyrosinase and alpha-amylase inhibitor ... -
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 ... -
Plantago lanceolata as a source of health-beneficial phytochemicals: Phenolics profile and antioxidant capacity
Bahadori, Mir Babak; Sarıkürkçü, Cengiz; Koçak, Mehmet Sefa; Calapoğlu, Mustafa; Üren, Mehmet Cemil; Ceylan, Olcay (Elsevier Ltd, 2020)Plantain (Plantago) species are traditionally used as food products and folkloric medicines in many countries. This study evaluated the antioxidant effects, phytochemical content, and phenolics profile of Plantago lanceolata ... -
Stachys germanica subsp. heldreichii (Boiss.) Hayek: Phytochemical analysis, antioxidant and enzyme inhibitory activities
Sarıkürkçü, Cengiz; Ceylan, Olcay; Benabdallah, Amina; Tepe, Bektaş (Elsevier B.V., 2020)Stachys species have traditionally been used by the people for thousands of years to treat various diseases. In this study, the chemical composition and enzyme inhibitory activities of the various extracts of Stachys ... -
Ziziphora taurica subsp. Taurica: Analytical characterization and biological activities
Tomczyk, Michał; Ceylan, Olcay; Locatelli, Marcello; Tartaglia, Angela; Ferrone, Vincenzo; Sarıkürkçü, Cengiz (MDPI AG, 2019)The Lamiaceae family comprises many flowering plants classified into about 236 genera. The genus Ziziphora is one of the well-known genera of this family and its species are important in different fields of pharmaceutical, ...