Kurum Yazarı "Öztürk, Mehmet" PubMed İndeksli Yayınlar Koleksiyonu İçin 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 ... -
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 ... -
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 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 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 ... -
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 ... -
A Detailed Biological and Chemical Investigation of Sixteen Achillea Species' Essential Oils via Chemometric Approach
Yener, İsmail; Yilmaz, Mustafa Abdullah; Ölmez, Özge Tokul; Akdeniz, Mehmet; Tekin, Fetullah; Haşimi, Nesrin; Ertaş, Abdulselam (Wiley-V C H Verlag Gmbh, 2020)Representatives of the Achillea genus are widely used as foods or nutraceuticals. Considering the increasing demand for herbal dietary supplements with health promoting effects, the objective of this research was to evaluate ... -
A Detailed Chemical and Biological Investigation of Twelve Allium Species from Eastern Anatolia with Chemometric Studies
Izol, Ebubekir; Temel, Hamdi; Yılmaz, Mustafa Abdullah; Yener, İsmail; Ölmez, Özge Tokul; Kaplaner, Erhan; Fırat, Mehmet; Hasimi, Nesrin; Öztürk, Mehmet (Wiley, 2021)Allium species are widely consumed as food all over the world. The phenolic profile of ethanol extracts of aerial parts and roots of 12 Allium species, collected from five different Eastern Anatolia regions, were studied ... -
The Effect of Temperature on the Essential Oil Components of Salvia potentillifolia Obtained by Various Methods
Öztürk, Mehmet; Tel-Çayan, Gülsen; Duru, Mehmet Emin; Harmandar, Mansur; Topcu, Gülaçtı (Sage Publications Inc, 2009)The chemical compositions of the essential oils of Salvia potentillifolia (Lamiaceae) were analyzed by GC and GC-MS. The oils were obtained by four different methods (hydrodistillation, steam distillation, and two extraction ... -
Essential Oil, Aroma, and Fatty Acid Profiles of Five Endemic Salvia Taxa from Turkey with Chemometric Analysis
Ertaş, Abdulselam; Akdeniz, Mehmet; Yener, İsmail; Öztürk, Mehmet; Tokul Ölmez, Özge; Fırat, Mehmet; Kolak, Ufuk (Wiley, 2021)The essential oil, aroma, and fatty acid compositions of Salvia cerino-pruinosa var. cerino-pruinosa, S. cerino-pruinosa var. elazigensis, S. pseudeuphratica, S. rosifolia, and S. kurdica collected in 2015, 2016, and 2017 ... -
GC-MS Analysis and Antimicrobial Activity of Essential Oil of Stachys cretica subsp smyrnaea
Öztürk, Mehmet; Duru, Mehmet Emin; Aydoğmuş-Öztürk, Fatma; Harmandar, Mansur; Mahlıçlı, Melda; Kolak, Ufuk; Ulubelen, Ayhan (Natural Products Inc, 2009)The essential oil from the aerial parts of Stachys cretica L. subsp. smyrnaea Rech. fil. (Lamiaceae), endemic to Turkey, was investigated by using GC and GC-MS. Thirty-four of 37 components, represented 99.7% of the total ... -
GC-MS Analysis of the Antioxidant Active Fractions of Micromeria juliana with Anticholinesterase Activity
Öztürk, Mehmet; Kolak, Ufuk; Duru, Mehmet Emin; Harmandar, Mansur (Natural Products Inc, 2009)The aerial parts of Micromeria juliana (L.) Bentham ex Reichb. were extracted with light petroleum, acetone and methanol, successively. The antioxidant activity of different concentrations of the extracts was evaluated ... -
Green synthesis of multifunctional carbon coated copper oxide nanosheets and their photocatalytic and antibacterial activities
Bibi, Hamida; Iqbal, Mudassar; Wahab, Hassan; Öztürk, Mehmet (Nature Publising Group, 2021)The studies of metal oxides in environmental remediation of chemical and biological pollutants are gaining colossal importance. Herein, we report the facile synthesis of multifunctional copper oxide nanosheets (CuO NS) ...