Kurum Yazarı "Öztürk, Nilgün" WoS İndeksli Yayınlar Koleksiyonu İçin Listeleme
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Anatomical and Palynological Studies of Three Salvia L. Species in and Around Eskisehir, Turkey
Gürcan, Hasibe; Erkara, Ismuhan Potoğlu; Öztürk, Nilgün (Bangladesh Botanical Soc, 2016)The anatomical and palynological features of three species Salvia cryptantha Montbret & Aucher ex Benth., S. candidissima Vahl subsp. occidentalis Hedge and S. forskahlei L. have been carried that show natural distribution ... -
Antioxidant activities of some phenolic acids and their combinations
Bektaş, Nurcan; Öztürk, Nilgün; Bozan, Berrin; Öztürk, Yusuf (Blackwell Publishing, 2006)… -
Antioxidant Activity and Phenolic Acid Constituents of Chestnut (Castania Sativa Mill.) Honey and Propolis
Sarıkaya, Ali Osman; Ulusoy, Esra; Öztürk, Nilgün; Tunçel, Muzaffer; Kolayli, Sevgi (Wiley, 2009)This study describes the constituents of phenolic acids and antioxidant activities of chestnut (Castania sativa Mill.) honeys and propolis in Turkey. Antioxidant activity of the chestnut honeys and propolis were examined ... -
Antioxidant activity of Punica granatum (Pomegranate) flowers
Bektaş, Nurcan; Öztürk, Nilgün (Elsevier Ireland LTD, 2007)… -
The Antioxidant Potency of Punica granatum L. Fruit Peel Reduces Cell Proliferation and Induces Apoptosis on Breast Cancer
Dikmen, Miriş; Öztürk, Nilgün; Öztürk, Yusuf (Mary Ann Liebert Inc, 2011)Pomegranate (Punica granatum L.) is known to possess pharmacological activities, such as antioxidant and anticancer. In this study, we evaluated the antioxidant potency of a methanolic pomegranate fruit peel extract (PPE) ... -
Antioxidant properties and phenolic composition of Sideritis species
Tunalıer, Zeynep; Koşar, Müberra; Öztürk, Nilgün; Başer, K. Hüsnü Can; Duman, Hayri; Kırımer, Neşe (Kluwer Academic/Plenum Publishers, 2004)The antioxidant properties and phenolic composition of 27 Sideritis species were studied. Plant samples were extracted with petroleum ether using a Soxhlet apparatus. The defatted plant materials were extracted with 70% ... -
Antioxidant properties of halotolerant Penicillium chrysogenum var. chrysogenum secondary metabolites
Cantürk, Zerrin; Dikmen, Miriş; Öztürk, Nilgün; Kocabiyik, Ercin; İlhan, Semra (IEEE, 2013)In this study it was aimed at evaluating antioxidant potential of Penicillium sp. broth filtrate and extract. In our study we examined broth filtrate DPPH and free radical scavenging activity, and also total phenol content ... -
Antioxidant, Antiproliferative and Apoptotic Effects of Secondary Metabolites of Halotolerant Aspergillus terreus on Colon Adenocarcinoma Caco-2 Cells
Dikmen, Miriş; Cantürk, Zerrin; Artagan, Oge; Öztürk, Nilgün (Asian Network Scientific Information-Ansinet, 2017)Objective: This study aimed to investigate the antioxidant and anticancer effects of the secondary metabolites of halotolerant Aspergillus terreus-2 (hAt-2) on colon adenocarcinoma (Caco-2) cells. The hAt-2 was isolated ... -
Antiprotozoal assessment and phenolic acid profiling of five Fumaria (fumitory) species
Orhan, İlkay Erdoğan; Öztürk, Nilgün; Şener, Bilge (Elsevier Sci LTD, 2015)Objective: To explore some Fumaria species which were recorded to be traditionally used against malaria and other protozoal diseases. Methods: Consequently, in the current study. antiprotozoal effect of the ethanol extracts ... -
Assessment of Phenolic Acid Content and In Vitro Antiradical Characteristics of Hawthorn
Öztürk, Nilgün; Tunçel, Muzaffer (Mary Ann Liebert Inc, 2011)The infusions and extracts obtained from leaves with flowers, fruit peel, and seed from hawthorn (Crataegus monogyna Jacq., Family Rosaceae) were subjected to evaluation as potential sources of antioxidant phytochemicals ... -
Central Nervous System Activities of Hypericum origanifolium Extract via GABAergic and Opioidergic Mechanisms
Yaşar, Şahin Nuri; Can, Özgür Devrim; Öztürk, Nilgün; Sagratini, Gianni; Ricciutelli, Massimo; Vittori, Sauro; Maggi, Filippo (Wiley, 2013)Pharmacological effects of hydroalcoholic extract prepared from Hypericum origanifolium Willd. (Guttiferae) on behavioral parameters and pain perceptions of mice were investigated in this study. Depression, anxiety, ... -
Chemical and biological analysis of the by-product obtained by processing Gentiana lutea L. and other herbs during production of bitter liqueurs
Mustafa, Ahmed M.; Maggi, Filippo; Öztürk, Nilgün; Öztürk, Yusuf; Sagratini, Gianni; Torregiani, Elisabetta; Caprioli, Giovanni (Elsevier Science BV, 2016)The exploitation of plant by products is particularly important for the industries that produce bitter liqueurs, being the subsequent disposal very expensive. In fact, these wastes can be considered a good source of bioactive ... -
Comparative Studies on Phenolic Composition, Antioxidant, Wound Healing and Cytotoxic Activities of Selected Achillea L. Species Growing in Turkey
Ağar, Osman Tuncay; Dikmen, Miriş; Öztürk, Nilgün; Yılmaz, Mustafa Abdullah; Temel, Hamdi; Türkmenoğlu, Fatma Pınar (MDPI AG, 2015)Turkey is one of the most important centers of diversity for the genus Achillea L. in the world. Keeping in mind the immense medicinal importance of phenols, in this study, three species growing in Turkey, A. coarctata ... -
Comparative studies on Turkish and Indian Centella asiatica (L.) Urban (gotu kola) samples for their enzyme inhibitory and antioxidant effects and phytochemical characterization
Orhan, İlkay Erdoğan; Atasu, Erdem; Şenol, Fatma Sezer; Öztürk, Nilgün; Demirci, Betül; Daş, Kuntal; Şekeroğlu, Nazim (Elsevier Science BV, 2013)In this study, enzyme inhibitory and antioxidant activity of the ethanol extracts of Centella asiatica (L.) Urban from Turkey and India was examined and the results were compared to those of the standardized extract of the ... -
Cytotoxic and apoptotic effects of pomegranate peel extract on MCF-7 breast cancer cells
Dikmen, Miriş; Öztürk, Nilgün; Öztürk, Yusuf (Taylor & Francis LTD, 2009)… -
Cytotoxic Effects of Resveratrol, Rutin and Rosmarinic Acid on ARH-77 Human (Multiple Myeloma) Cell Line
Cantürk, Zerrin; Dikmen, Miriş; Artagan, Oge; Özarda, Mustafa Güçlü; Öztürk, Nilgün (Natural Products Inc, 2016)Multiple myeloma (MM) cancers are 10% of hematological cancers. Leukemia ARH-77 is' a malignancy like MM with a worse course of disease and the survival rate from it is very low. Therefore, ARH-77 is a commonly used model ... -
Detection of the Genotoxicity of Gentiana L. Extracts by Using RAPD-PCR and ISSR-PCR Techniques
Eröz Poyraz, İlham; Poyraz, İsmail; Kıyan, Hülya Tuba; Öztürk, Nilgün; Erken, Serdar; gülbag, Fatih; Ozzambak, M. Ercan (Assoc Pharmaceutical Teachers India, 2018)Backround: The RAPD- and ISSR-PCR techniques are offering an insight into the detecting the genotoxicity of Gentiana extracts. Objective: It is aimed with the present study, to detect the genotoxicity of methanol extracts ... -
Determination of DNA in Certain Salvia Species by Capillary Gel Electrophoresis
Öncü-Kaya, Elif Mine; Uysal, Ülkü Dilek; Öztürk, Nilgün; Cenkci, Süleyman; Tunçel, Muzaffer (Taylor & Francis Inc, 2015)This article presents a newly developed capillary gel electrophoresis (CGE) using dynamic coating with hydroxyethylcellulose methodology for the separation of fourteen standard DNA fragments and determination of RAPD-PCR ... -
Determination of phenolic acids by a modified HPLC: Its application to various plant materials
Öztürk, Nilgün; Tuncel, M.; Tuncel, N. B. (Taylor & Francis Inc, 2007)The determination of certain phenolic acids employing a gradient HPLC method is described, in this study. The analysis was performed by using a gradient program with the two solvents system (A: methanol:water:formic acid ... -
Determination of Rosmarinic Acid by High-Performance Liquid Chromatography and Its Application to Certain Salvia Species and Rosemary
Öztürk, Nilgün; Tunçel, Muzaffer; Uysal, Ülkü Dilek; Öncü-Kaya, Elif Mine; Koyuncu, Onur (Springer, 2011)This study describes a method development for the determination of rosmarinic acid (RA) by using a gradient high-performance liquid chromatography (HPLC) and its application to certain plant materials. The analysis was ...