Yazar "0000-0001-8932-4535" için Kimya Bölümü Koleksiyonu listeleme
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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 ... -
Content of Minerals and Trace Elements Determined by ICP-MS in Eleven Mushroom Species from Anatolia, Turkey
Tel-Çayan, Gülsen; Öztürk, Mehmet; Duru, Mehmet Emin; Yabanlı, Murat; Türkoğlu, Aziz (Chiang Mai Univ, Fac Science, 2017)The mineral and trace element content of 11 mushroom species; namely, Fomes fomentarius, Funalia trogii, Ganoderma adspersum, Ganoderma applanatum, Ganoderma lucidum, Gyromitra esculenta, Lyophyllum decastes, Pleurotus ... -
Design, in Silico Studies and Biological Evaluation of New Chiral Thiourea and 1,3-Thiazolidine-4,5-dione Derivatives
Evyapan, Samet; Oruç-Emre, Emine Elçin; Sıcak, Yusuf; Karaküçük-İyidoğan, Ayşegül; Öztürk, Mehmet; Yılmaz Tatar, Gizem (John Wiley and Sons Inc, 2023)In this study, new chiral thiourea and 1,3-thiazolidine-4,5-dione derivatives were synthesized, it was aimed to evaluate the various biological activities and molecular docking of these compounds. Firstly, the new thioureas ... -
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 ... -
Determination and comparison of metal contents in simulated body fluid medium conditions of the plant species by flame atomic absorption spectrometry (FAAS)
Ölmez Tokul, Özge; Umaz, Adil; Aydın, Fırat; Öztürk, Mehmet; Ertaş, Abdulselam; Aydın, Işıl (Marmara University, 2022)The importance of plants in folk medicine and scientific studies is increasing day by day. In this context, the plants pose a danger to human health when they are eaten by the public, consumed as herbal tea or used as ... -
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 ... -
Evaluation of Antioxidant Activity and Phenolic Composition of Opuntia ficus-indica Cladodes Collected from Moroccan Settat Region
Allai, Larbi; Karym, El Mostafa; El Amiri, Bouchra; Nasser, Boubker; Essamad, Abdelkhalid; Terzioğlu, Pınar; Öztürk, Mehmet (Iser Publications, 2017)Opuntia ficus-indica cladode growing in Settat region of Morocco was freshly consumed and traditionally used in folk medicine for health benefits by the local people. The antioxidant activity and the chemical compounds of ... -
Hepatoprotective effects of Hertia cheirifolia butanolic extract and selenium against CCl4-induced toxicity in rats
Menakh, Mouna; Boutellaa, Saber; Mahdi, Djahida; Zellagui, Amar; Lahoue, Mesbah; Öztürk, Mehmet (Wolters Kluwer Medknow Publications, 2021)Background: Hertia cheirifolia, a traditional plant endemic to both Tunisia and Algeria, is used for the treatment of various disorders. This study investigates the antioxidant and protective effects of H. cheirifolia ... -
In vitro antioxidant, anticholinesterase, tyrosinase activity studies, and LC-MS/MS simultaneous determination of 37 bioactive compounds in Indigofera heterantha
Ullah, Zain; Ali, Saqib; Hussain, Atarad; Öztürk, Mehmet; Ertaş, Abdulselam (ELSEVIER, 2022)The flowering plant Indigofera heterantha generally known as Indigo of Himalayan, was extracted with nhexane, ethyl acetate, and methanol by using Soxhlet apparatus. The extracts were studied for their antioxidants and ... -
Lc-ms/ms profiling of 37 fingerprint phytochemicals in oenanthe fistu-losa l. And its biological activities
Souilah, Nabila; Bendif, Hamdi; Ullah, Zain; Miara, Mohamed Djamel; Laib, Messaoud; Öztürk, Mehmet; Akkal, Salah; Medjroubi, Kamel; Mustafa, Ahmed M. (Bentham Science Publishers, 2021)Oenanthe fistulosa L. (Apiaceae) is often associated with damp soils. Its underground parts and the young leaves are mainly cooked with other vegetables. Objective: The aim of the current work was to investigate the chemical ... -
Minerals and metals in mushroom species in Anatolia
Tel, Gülsen; Çavdar, Hamide; Deveci, Ebru; Öztürk, Mehmet; Duru, Mehmet E.; Türkoğlu, Aziz (Taylor & Francis Ltd, 2014)Mineral and metal contents of 24 wild mushroom species collected from Anatolia were analysed by inductively coupled plasma optical emission spectrometry. Eight minerals (Na, Mg, Ca, Mn, Fe, Zn, P and K) and six metals (Cr, ... -
New Bioflavonoids from Solanum nigrum L. by Anticholinesterase and Anti-tyrosinase Activities-guided Fractionation
Sabudak, Temine; Öztürk, Mehmet; Alpay, Enes (Acg Publications, 2017)Two new biflavonoids, (8-hydroxy-3'-beta-D-galactosyl-isoflavone)-2'-8'''-(4'''-hydroxy-flavone)biflavone (2); 2', 3', 5-trihydroxy-5 ''-methoxy-3 ''-O-a-glucosyl-3-4'''-O-biflavone (3) and along with apigenin (1) and ... -
<p>Insight into isolation and elucidation of cytotoxic ergostanoids from the mushroom Sarcosphaera crassa (Santi) Pouzar: An edible mushroom</p>
Ullah, Zain; Öztürk, Mehmet; Ertaş, Abdülselam; Wahab, Atia-tul; Mansour, Riadh Ben; Choudhary, M. Iqbal (ELSEVIER SCIENCE INC, 2022)Sarcosphaera crassa is a mushroom consumed in Europe and Anatolia after being cooked well. The cytotoxic activity of the extracts of unbaked S. crassa against MCF7, HT29, HeLa cancer cell lines and toxicity against PDF ... -
Phytochemical contents, antioxidant effects, and inhibitory activities of key enzymes associated with Alzheimer's disease, ulcer, and skin disorders of Sideritis albiflora and Sideritis leptoclada
Deveci, Ebru; Tel-Çayan, Gülsen; Duru, Mehmet Emin; Öztürk, Mehmet (Wiley, 2019)In this study, urease, tyrosinase, cholinesterase inhibitory, and antioxidant activities of various extracts of Sideritis albiflora and Sideritis leptoclada were determined together with the phytochemical contents. In ... -
Phytochemical Fingerprints and Bioactivities of Ripe Disseminules (Fruit-Seeds) of Seventeen Gundelia (Kenger-Kereng Dikeni) Species from Anatolia with Chemometric Approach
Ertaş, Abdulselam; Fırat, Mehmet; Yener, İsmail; Akdeniz, Mehmet; Yiğitkan, Serkan; Bakır, Derya; Çakır, Cansel; Yılmaz, Abdullah Mustafa; Öztürk, Mehmet; Kolak, Ufak (John Wiley)Gundelia species are known as “Kenger-kereng dikeni” in Anatolia, and their aerial parts are consumed as food. Also, roots and seeds (disseminules) of the Gundelia species are used to prepare gum and coffee. The chemical ... -
Phytochemicals from Dodonaea viscosa and their antioxidant and anticholinesterase activities with structure-activity relationships
Muhammad, Akhtar; Tel-Çayan, Gülsen; Öztürk, Mehmet; Duru, Mehmet Emin; Nadeem, Said; Anis, Itrat; Shah, Muhammad Raza (Taylor & Francis Ltd, 2016)ContextDodonaea viscosa (L.) Jacq (Sapindaceae) has been used in traditional medicine as antimalarial, antidiabetic and antibacterial agent, but further investigations are needed.Objective This study determines the antioxidant ... -
Protective effects of Opuntia ficus-indica extract on ram sperm quality, lipid peroxidation and DNA fragmentation during liquid storage
Allai, Larbi; Druart, Xavier; Öztürk, Mehmet; BenMoula, Anass; Nasser, Boubker; El Amiri, Bouchra (Elsevier Science Bv, 2016)The present study aimed to assess the phenolic composition of the acetone extract from Opuntia ficus indica cladodes (ACTEX) and its effects on ram semen variables, lipid peroxidation and DNA fragmentation during liquid ... -
Synthesis of novel chiral metal complexes derived from chiral thiosemicarbazide ligands as potential antioxidant agents
Basaran, Eyüp; Sıcak, Yusuf; Soğukömeroğulları, Hatice Gamze; Karaküçük-İyidoğan, Ayşegül; Oruç-Emre, Emine Elcin; Sönmez, Mehmet; Öztürk, Mehmet (Wiley, 2019)Two new chiral thiosemicarbazide ligands and their Cu (II), Ni (II), Pd (II), and Zn (II) complexes were synthesized and characterized by nuclear magnetic resonance (NMR) (only for ligand), Fourier transform infrared ... -
Synthesis of Zeolite NaA from a New Biosilica Source
Terzioğlu, Pınar; Yücel, Sevil; Öztürk, Mehmet (Springer, 2016)Current study aimed to utilize agricultural waste, wheat husk to produce valuable materials. Amorphous silica (similar to 88 % purity) was extracted from acid leached wheat husk, and used in the synthesis of zeolite NaA. ...