Browsing by Author "Öztürk, Mehmet"
Now showing items 1-10 of 10
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Antioxidant, anticholinesterase activities and polyphenolic constituents of cones of algerian fir (Abies numidica) by LC-ESI-MS/MS with chemometric approach
Mokaddem-Daroui, Habiba; Mostefa, Maya Belhadj; Aydoğmuş-Öztürk, Fatma; Erol, Ebru; Öztürk, Mehmet; Ertaş, Abdulselam; Duru, Mehmet Emin; Kabouche, Ahmed; Kabouche, Zahia (Marmara University, 2021)The fractions (Fr.1-5) of the hydromethanolic extract of Abies numidica cones were studied for their polyphenol constituents, antioxidant, and anticholinesterase activities. The beta-carotene-linoleic acid, cupric reducing ... -
Chemical fingerprints and bioactivities of 12 Anatolian Achillea L. species by LC-MS/ MS with chemometric approach: novel phytonutrients, natural food preservatives and chlorogenic acid sources
Yılmaz, Mustafa Abdullah; Ertaş, Abdulselam; Yener, İsmail; Türkmenoğlu, Fatma Pınar; Ölmez, Özge Tokul; Öztürk, Mehmet; Altun, Muhammed; Çakır, Oğuz; Tarhan, Abbas; Boğa, Mehmet (Turkiye Klinikleri, 2022)The objective of this study was to evaluate the biological activities and chemical fingerprint profiles of the extracts obtained from twelve Achillea L. species (A. lycaonica, A. biebersteinii (syn: A. arabica), A. kotschyi ... -
A detailed biological and chemical investigation of sixteen schillea species' essential oils via chemometric approach
Yener, İsmail; Yılmaz, Mustafa Abdullah; Ölmez, Özge Tokul; Akdeniz, Mehmet; Tekin, Fetullah; Haşimi, Nesrin; Alkan, Mehmet Hüseyin; Öztürk, Mehmet; Ertaş, Abdülselam (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 ... -
Determination and comparison of metal contents in simulated body fluid medium conditions of the plant species by flame atomic absorption spectrometry (FAAS)
Umaz, Adil; Aydın, Fırat; Ölmez, Özge Tokul; Fırat, Mehmet; 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 ... -
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; Ölmez, Özge Tokul; Fırat, Mehmet; Kolak, Ufuk (Wiley-V C H Verlag GMBH, 2022)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 ... -
In vitro enzyme inhibitory properties, antioxidant activities, and phytochemical fingerprints of five Moroccan seaweeds
Grina, Fatiha; Ullah, Zain; Kaplaner, Erhan; Moujahid, Abderrahman; Eddoha, Rabiaa; Nasser, Boubker; Ertaş, Abdulselam; Öztürk, Mehmet (Elsevier B.V., 2020)The coastlines of Morocco have an abundant resource of diverse seaweeds but the bioactivity of many of these seaweeds is still unexplored. The aim of this study was to contribute to the evaluation of the antioxidant ... -
Insight into isolation and elucidation of cytotoxic ergostanoids from the mushroom Sarcosphaera crassa (Santi) Pouzar: An edible mushroom
Ullah, Zain; Öztürk, Mehmet; Ertaş, Abdulselam; Wahab, Atia-tul; Ben Mansour, Riadh; Choudhry, 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 ... -
Lc-ms/ms simultaneous determination of 37 bioactive compounds in bunium crassifolium batt. And its biological activities
Souilah, Nabila; Bendif, Hamdi; Ullah, Zain; Hamel, Tarek; Djarri, Lakhdar; Öztürk, Mehmet; Ertaş, Abdulselam (Marmara University, 2021)Bunium crassifolium Batt. is an extremely rare species growing in Algeria. Its leaf or aerial part is used for flavoring and garnishing food. The aim of the current study was to determine 37 bioactive phytochemicals and ... -
Pişirilmiş ve Pişirilmemiş Yenilebilir Ticari Mantar Türlerinden Antikanser ve Antioksidan Bileşiklerin İzolasyonu ve Yapılarının Tayinleri
Bu projede, Türkiye?de üzerinde çalışma yapılmamış, doğal olarak yetişen, çiğ tüketildiğinde zehirli olan ancak pişirildiğinde lezzetli bir gıda olan Sarcosphaera crassa (Santi) Pouz., Gyromitra esculenta (Pers.) Fr. ve ... -
Trace element analysis in some salvia species by inductively coupled plasma-mass spectrometry (Icp-ms) and chemometric approach
Tunay, Zeki; Yener, İsmail; Oral, Elif Varhan; Demirkoz, Aslı Barla; Ölmez, Özge Tokul; Fırat, Mehmet; Öztürk, Mehmet; Aydın, Işıl; Aydın, Fırat; Ertaş, Abdülselam (Marmara University, 2020)In this study, the stems, leaves, flowers, roots and mixed all parts of five Salvia species were analyzed for their trace element (Li, Be, V, Cr, Co, Ni, Cu, Zn, As, Se, Rb, Sr, Ag, Cd, Cs, Ba, Hg, Tl, Pb, and U) contents ...
