Yazar "Öztürk, Mehmet" için PubMed İndeksli Yayınlar Koleksiyonu listeleme
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The Addition of Opuntia ficus-indica Ethanolic Extract to a Skimmed Milk-Based Extender Impacts Ram Sperm Quality
Allai, Larbi; Druart, Xavier; Terzioğlu, Pınar; Louanjli, Noureddine; Nasser, Boubker; Öztürk, Mehmet; El Amiri, Bouchara (PMC, 2023)Recently, researchers have focused on the use of natural antioxidants to improve semen quality as a key element for successful artificial insemination. In this context, the first aim of this study was to determine the ... -
Antibacterial, antioxidant, anti-cholinesterase potential and flavonol glycosides of Biscutella raphanifolia (Brassicaceae)
Boudouda, Houria Berhail; Zeghib, Assia; Karioti, Anastazia; Bilia, Anna Rita; Öztürk, Mehmet; Aouni, Mahjoub; Kabouche, Zahia (Univ Karachi, 2015)Different extracts of the aerial parts of Biscutella raphanifolia (Brassicaceae), which has not been the subject of any study, were screened for the phytochemical content, anti-microbial, antioxidant and anti-cholinesterase ... -
Antibiofilm, antiquorum sensing and antioxidant activity of secondary metabolites from seeds of Annona senegalensis, Persoon
Tamfu, Alfred Ngenge; Ceylan, Özgür; Fru, Godloves Chi; Öztürk, Mehmet; Duru, Mehmet Emin; Shaheen, Farzana (Academic Press Ltd- Elsevier Science Ltd, 2020)The increasing resistance of bacteria to antibiotics has motivated the interest in potent natural compounds capable of disrupting bacterial cell-to-cell communication. Column chromatography of seed extract of Annona ... -
Anticholinesterase and Antioxidant Activities of Natural Abietane Diterpenoids with Molecular Docking Studies
Topcu, Gulacti; Akdemir, Atilla; Kolak, Ufuk; Öztürk, Mehmet; Boga, Mehmet; Bahadori, Fatemeh; Cakmar, Seda Damla Hatipoglu (Bentham Science Publ Ltd, 2020)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 five wild mushroom species with total bioactive contents
Tel, Gülsen; Öztürk, Mehmet; Duru, Mehmet Emin; Türkoğlu, Aziz (Taylor & Francis Ltd, 2015)Context: Recently, mushrooms are interesting natural products to be investigated due to exhibiting various bioactivities. Objective: This study determines the antioxidant and anticholinesterase activities of various extracts ... -
Antioxidant and Anticholinesterase Activities of Some Dialkylamino Substituted 3-Hydroxyflavone Derivatives
Culhaoglu, Burcu; Capan, Asli; Boga, Mehmet; Öztürk, Mehmet; Ozturk, Turan; Topcu, Gulacti (Bentham Science Publ Ltd, 2017)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 and Anticholinesterase Activity Evaluation of ent-Kaurane Diterpenoids from Sideritis arguta
Ertaş, Abdülselam; Öztürk, Mehmet; Boğa, Mehmet; Topçu, Gülaçtı (Amer Chemical Soc, 2009)The petroleum ether and acetone extracts of the aerial parts of Sideritis arguta afforded two new and six known diterpenoids with the ent-kaurane skeleton. The structures of the new diterpenoids were determined as ent-7 ... -
Antioxidant and Tyrosinase Inhibitory Activities of Flavonoids from Trifolium nigrescens Subsp petrisavi
Demirkiran, Ozlem; Sabudak, Temine; Öztürk, Mehmet; Topcu, Gulacti (Amer Chemical Soc, 2013)Trifolium nigrescens was researched for its chemical constituents for the first time. Bioassay-guided isolation of the EtOAc extract from the leaves of T. nigrescens resulted in the purification of a new biflavone, 4"',5,5 ... -
Antioxidant Diterpenoids from the Roots of Salvia barrelieri
Kolak, Ufuk; Kabouche, Ahmed; Öztürk, Mehmet; Kabouche, Zahia; Topçu, Gülaçtı; Ulubelen, Ayhan (John Wiley & Sons Ltd, 2009)Introduction - The phytochemical and biological studies carried out on Salvia species showed that their extracts and constituents have various biological activities. Objective - The aim of this study was the isolation of ... -
Antioxidant, anticholinesterase and antibacterial activities of Stachys guyoniana and Mentha aquatica
Ferhat, Maria; Erol, Ebru; Beladjila, Khadidja Aya; Çetintaş, Yunus; Duru, Mehmet Emin; Öztürk, Mehmet; Kabouche, Zahia (Taylor & Francis Ltd, 2017)Context: Stachys guyoniana Noe ex. Batt. and Mentha aquatica L. are two Algerian Lamiaceae used in folk medicine. Objective: To investigate their antioxidant, anticholinesterase and antibacterial activities. Material and ... -
Antioxidant, anticholinesterase and tyrosinase inhibition activities, and fatty acids of Crocus mathewii - A forgotten endemic angiosperm of Turkey
Yıldıztekin, Fatma; Nadeem, Said; Erol, Ebru; Yıldıztekin, Mahmut; Tuna, Atilla L.; Öztürk, Mehmet (Taylor & Francis Ltd, 2016)Context We report the first ever chemical/biochemical study on Crocus mathewii Kerndorff (Iridaceae) - a Turkish endemic angiosperm. This plant has never been explored for its phytochemistry and bioactivities.Objective ... -
Application of Box-Behnken design for modeling of lead adsorption onto unmodified and NaCl-modified zeolite NaA obtained from biosilica
Terzioğlu, Pınar; Yücel, Sevil; Öztürk, Mehmet (Iwa Publishing, 2017)The main objective of the present study was to optimize lead adsorption onto zeolite NaA. For this purpose, to synthesize zeolite NaA under hydrothermal conditions, local wheat husk was precleaned with chemical treatment ... -
Chemical composition of the essential oil and hexane extract of Salvia chionantha and their antioxidant and anticholinesterase activities
Tel, Gülsen; Öztürk, Mehmet; Mehmet, Emin Duru; Harmandar, Mansur; Topcu, Gulacti (Pergamon-Elsevier Science Ltd, 2010)The essential oil and methyl ester of hexane extract of Salvia chionantha Boiss. were analysed by GC and GC-MS. Totally, 54 components were detected in the essential oil and all of them were fully determined. Germacrene D ... -
Chemical composition, antioxidant and anticholinesterase activity of the essential oil of algerian cachrys sicula L
Tahar, Smaili; Hamdi, Bendif; Flamini, Guido; Öztürk, Mehmet; Duru, Mehmet Emin (Taylor and Francis Ltd., 2021)In this work, in order to explore a new Algerian medicinal plant used in traditional medicine, the essential oil of the leaves of Cachrys sicula L. (Apiaceae) collected from Algeria, obtained by hydrodistillation, was ... -
Chemical composition, antioxidant, anticholinesterase, antimicrobial and antibiofilm activities of essential oil and methanolic extract of Anthemis stiparum subsp sabulicola (Pomel) Oberpr
Chemsa, Ahmed Elkhalifa; Zellagui, Amar; Öztürk, Mehmet; Erol, Ebru; Ceylan, Ozgur; Duru, Mehmet Emin; Lahouel, Mesbah (Academic Press Ltd- Elsevier Science Ltd, 2018)Anthemis species are traditionally used to treat infectious and inflammatory processes, among others clinical disturbances. In the current study, the chemical composition, the total phenolic and flavonoid contents, the ... -
Chemical constituents of essential oil of endemic Rhanterium suaveolens Desf. growing in Algerian Sahara with antibiofilm, antioxidant and anticholinesterase activities
Chemsa, Ahmed Elkhalifa; Erol, Ebru; Öztürk, Mehmet; Zellagui, Amar; Ozgur, Ceylan; Gherraf, Noureddine; Duru, Mehmet Emin (Taylor & Francis Ltd, 2016)Twenty compounds were detected in the essential oil of Rhanterium suaveolens representing 98.01% of the total oil content. Perillaldehyde (45.79%), caryophyllene oxide (24.82%) and -cadinol (5.61%) were identified as the ... -
Chemical Profile, In Vitro Enzyme Inhibitory, and Antioxidant Properties of Stereum Species (Agaricomycetes) from Turkey
Cayan, Fatih; Tel-Cayan, Gulsen; Deveci, Ebru; Öztürk, Mehmet; Duru, Mehmet Emin (Begell House Inc, 2019)Recently, mushroom species have been the focus of researchers' interest because of several bioactivities. The aim of this study was to investigate the chemical profile and biological activities of various extracts of two ... -
Compounds from Sedum caeruleum with antioxidant, anticholinesterase, and antibacterial activities
Bensouici, Chawki; Kabouche, Ahmed; Karioti, Anastasia; Öztürk, Mehmet; Duru, Mehmet Emin; Bilia, Anna Rita; Kabouche, Zahia (Taylor & Francis Ltd, 2016)Context: This is the first study on the phytochemistry, antioxidant, anticholinesterase, and antibacterial activities of Sedum caeruleum L. (Crassulaceae).Objective: The objective of this study is to isolate the secondary ... -
Compounds from the pods of Astragalus armatus with antioxidant, anticholinesterase, antibacterial and phagocytic activities
Labed, Amira; Ferhat, Maria; Labed-Zouad, Ilhem; Kaplaner, Erhan; Zerizer, Sakina; Voutquenne-Nazabadioko, Laurence; Öztürk, Mehmet (Taylor & Francis Ltd, 2016)Context: The phytochemical study and biological activities of Astragalus armatus Willd. subsp. numidicus (Fabaceae) pods, an endemic shrub of Maghreb, are reported. Objective: This study isolates the secondary metabolites ... -
The constituents of essential oil and in vitro antimicrobial activity of Micromeria cilicica from Turkey
Duru, Mehmet Emin; Öztürk, Mehmet; Uğur, Aysel; Ceylan, Özgür (Elsevier Ireland Ltd, 2004)The chemical composition of the essential oil of Micromeria cilicica (Labiatae) that has been used in folk medicine were analysed by GC, GC-MS, H-1 NMR and C-13 NMR. The totals of 34 components in hydrodistillation, 30 ...