Yazar "Öztürk, Nilgün" için PubMed İndeksli Yayınlar Koleksiyonu listeleme
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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) ... -
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 ... -
Attenuation of ethanol withdrawal syndrome by extract of Hypericum perforatum in Wistar rats
The effects of Hypericum perforatum (St John's wort) on ethanol withdrawal syndrome have been investigated in ethanol-dependent rats. Adult male Wistar rats were subjects. Ethanol (7.2% v/v) was given to rats by a liquid ... -
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, ... -
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 ... -
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 ... -
Effects of gentiopicroside, sweroside and swertiamarine, secoiridoids from gentian (Gentiana lutea ssp symphyandra), on cultured chicken embryonic fibroblasts
Öztürk, Nilgün; Korkmaz, Seval; Öztürk, Yusuf; Başer, K. Hüsnü Can (Georg Thieme Verlag Kg, 2006)Wound healing properties of Gentian (Gentiana lutea ssp. symphyandra) extract and its main constituents, gentiopicroside, sweroside and swertiamarine (compounds 1-3, respectively) were evaluated by comparison with dexpanthenol ... -
Effects of hawthorn seed and pulp extracts on the central nervous system
Can, Özgür Devrim; Özkay, Ümide Demir; Öztürk, Nilgün; Öztürk, Yusuf (Informa Healthcare, 2010)Context: Investigating potential central nervous system (CNS) activities of Crataegus monogyna Jacq. (Rosaceae), hawthorn, fruit extracts. Objective: Evaluating CNS effects and analgesic activities of hawthorn fruit extracts ... -
Effects of treatment with St. John's Wort on blood glucose levels and pain perceptions of streptozotocin-diabetic rats
Can, Özgür Devrim; Öztürk, Yusuf; Öztürk, Nilgün; Sagratini, Gianni; Ricciutelli, Massimo; Vittori, Sauro; Maggi, Filippo (Elsevier Science BV, 2011)This present study was undertaken to examine treating effects of St. John's Wort (SJW) extract on nociceptive perception of STZ-diabetic animals based on its potential antidiabetic and antinociceptive activities. One week ... -
Extract of Hypericum perforatum blocks caffeine-induced locomotor activity in mice: A possible role of nitric oxide
Uzbay, I. Tayfun; Coşkun, Ilke; Kayir, Hakan; Öztürk, Nilgün; Öztürk, Yusuf (John Wiley & Sons LTD, 2007)The present study investigated the effects of HPE on caffeine-induced locomotor activity in mice. Caffeine (416 mg/kg) or saline were given to adult male Swiss-Webster mice, and the locomotor activity was immediately ... -
The hepatoprotective effects of Hypericum perforatum L. on hepatic ischemia/reperfusion injury in rats
Bayramoğlu, Gökhan; Bayramoğlu, Ayşegül; Engür, Selin; Şentürk, Hakan; Öztürk, Nilgün; Çolak, Suat (Springer, 2014)Little is known about the effective role of Hypericum perforatum on hepatic ischemia-reperfusion (I/R) injury in rats. Hence, albino rats were subjected to 45 min of hepatic ischemia followed by 60 min of reperfusion period. ... -
Interesting linkage between wound healing and hepatoprotective activities
Öztürk, Yusuf; Öztürk, Nilgün (Elsevier Ireland LTD, 2011)… -
New antidepressant drug candidate: Hypericum montbretti extract
Can, Özgür Devrim; İsmail, İsmail Bilal; Öztürk, Yusuf; Öztürk, Nilgün; Potoğlu-Erkara, Ismuhan; Sagratini, Gianni; Maggi, Filippo (Taylor & Francis LTD, 2011)This study was designed to investigate possible antidepressant-like effects of the extract prepared from the flowers of Hypericum montbretti Spach. (Guttiferae, Clusiaceae). Phytochemical constituents of the methanolic ... -
Phenolic acid contents, essential oil compositions and antioxidant activities of two varieties of Salvia euphratica from Turkey
This study was designed to evaluate the invitro antioxidant activities of n-hexane (Hex), dichloromethane (DCM), methanol (MeOH) and essential oils (EO) extracts obtained from Salvia euphratica var. euphratica and Salvia ... -
Phenolic composition and antioxidant activity of thedifferent extracts from Thymus longicaulis C Presl. subsp longicaulis var. longicaulis and T. longicaulis C. Presl. subsp longicaulis var. subisophyllus growing in Turkey
Öztürk, Nilgün (University Karachi, 2015)The objectives of the present study were to investigate the phenolic composition and in vitro antioxidant capacities of the infusions and different extracts of two Thymus taxa: Thymus longicaulis C. Presl. subsp. longicaulis ... -
Phenolic composition and antioxidant activity of thedifferent extracts from Thymus longicaulis C Presl. Subsp. Longicaulis var. Longicaulis and T. Longicaulis C. Presl. Subsp. Longicaulis var. Subisophyllus growing in Turkey
Öztürk, Nilgün (Pakistan Journal of Pharmaceutical Sciences, 2015)The objectives of the present study were to investigate the phenolic composition and in vitro antioxidant capacities of the infusions and different extracts of two Thymus taxa: Thymus longicaulis C. Presl. subsp. longicaulis ... -
Phytochemical and antioxidant analysis of eight Hypericum taxa from Central Italy
Sagratini, G.; Ricciutelli, A.; Vittori, S.; Öztürk, Nilgün; Öztürk, Yusuf; Maggi, E. (Elsevier Science BV, 2008)Eight taxa of the Hypericum spp. growing in Central Italy (Appennino Umbro-Marchigiano) were analyzed by HPLC-DAD for constituents quantitation, for antioxidant and free radical scavenging activities. H. perforatum subsp. ... -
Phytochemical contents and enzyme inhibitory and antioxidant properties of Anethum graveolens L. (dill) samples cultivated under organic and conventional agricultural conditions
Orhan, İlkay Erdoğan; Şenol, F. Sezer; Öztürk, Nilgün; Çelik, Sadiye Ayşe; Pulur, Ayşen; Kan, Yüksel (Pergamon-Elsevier Science LTD, 2013)Inhibitory effect of the n-hexane, dichloromethane, ethyl acetate, and ethanol extracts from Anethum graveolens L. (dill) cultivated under organic (AG-O) and conventional (AG-C) conditions was tested against acetylcholinesterase ... -
Wound-healing activity of St. John's Wort (Hypericum perforatum L.) on chicken embryonic fibroblasts
Öztürk, Nilgün; Korkmaz, Seval; Öztürk, Yusuf (Elsevier Ireland LTD, 2007)Wound-healing effect of St. John's Wort (Hypericum perforatum L.) extract was evaluated by comparing with dexpanthenol and titrated extract of Centella asiatica TECA) on cultured chicken embryonic fibroblasts. Chicken ...