Kurum Yazarı "Kıvrak, İbrahim" Fakülteler İçin Listeleme
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The antibacterial effect of bee venom on subclinical mastitis agents: an alternative for local treatment
Güven Gökmen, Tülin; Yazgan, Hatice; Sevin, Sedat; Turut, Nevin; Karahan, Şifa; Eşki, Funda; Kıvrak, İbrahim (Taylor and Francis Ltd., 2023)Subclinical mastitis is an important problem in terms of the dairy economy all over the world and due to the increasing antibiotic resistance day by day, there is a great need for new antibiotic alternatives and natural ... -
Assessment of Bioactive Compounds and Antioxidant Activity of Turkey Tail Medicinal Mushroom Trametes versicolor (Agaricomycetes)
Kıvrak, İbrahim; Kıvrak, Şeyda; Karababa, Ersan (Begell House Inc, 2020)Trametes versicolor is important for its medicinal rather than nutritional value. It has a variety of pharmacological activities. The purpose of this study was to elucidate the bioactive properties of the wild medicinal ... -
Can Riboflavin Penetrate Stroma Without Disrupting Integrity of Corneal Epithelium in Rabbits? Iontophoresis and Ultraperformance Liquid Chromatography With Electrospray Ionization Tandem Mass Spectrometry
Novruzlu, Şahin; Özel Türkcü, Ummuhani; Kıvrak, İbrahim; Kıvrak, Şeyda; Yüksel, Erdem; Deniz, Nuriye Gokcen; Bilgihan, Kamil (Lippincott Williams & Wilkins, 2015)Purpose:To examine riboflavin concentrations in corneas and aqueous humor from rabbits with standard and transepithelial methods and iontophoresis without disrupting the integrity of the corneal epithelium before corneal ... -
Characterization of Turkish honeys regarding of physicochemical properties, and their adulteration analysis
Kıvrak, Şeyda; Kıvrak, İbrahim; Karababa, Ersan (Soc Brasileira Ciencia Tecnologia Alimentos, 2017)This work was conducted to evaluate the quality of 54 honey samples from eighteen different origins from Turkey. Physicochemical properties were examined according to AOAC methods, total phenolic and flavonoid contents by ... -
Free-radical scavenging capacity and antimicrobial activity of wild edible mushroom from Turkey
Gezer, K.; Duru, Mehmet Emin; Kıvrak, İbrahim; Türkoğlu, A.; Mercan, N.; Türkoğlu, H.; Gülcan, S. (Academic Journals, 2006)Antioxidant capacity and antimicrobial activities of Ramaria flava (Schaeff) Quel. (RF) extracts obtained with ethanol were investigated in this study. Four complementary test systems; namely DPPH free radical scavenging, ... -
NMR metabolomics analysis of Escherichia coli cells treated with Turkish propolis water extract reveals nucleic acid metabolism as the major target
Elgin, E Sonay; Çatav, Ş Serter; Babayeva, Anara; Kim, Hakbeom; Kim, Hakbeom; Dibek, Esra; Çöl, Bekir; Chae, Young Kee; Kıvrak, İbrahim (NLM (Medline), 2023)AIMS: Propolis is a resinous bee product containing several hundred biologically active compounds. Although the antibacterial activity of propolis has been demonstrated in many in vitro studies, less is known about its ... -
NUTRITIONAL VALUE, PHENOLIC, VITAMIN AND MINERAL CONTENTS OF A FERMENTED BEVERAGE FROM GRAPES OF 'MERLOT' AND 'CABERNET SAUVIGNON'
Kıvrak, Şeyda; Kıvrak, İbrahim; Karababa, Erşan (Hoehere Bundeslehranstalt Und Bundesamt Fuer Wein- Und Obstbau, 2016)In this study, Hardaliye, the non-alcoholic fermented beverage from 'Merlot' and 'Cabernet Sauvignon grapes, was successfully examined for its nutritional value, phenolic compounds, water-soluble vitamin and mineral contents, ... -
Serum indoleamine 2,3 dioxygenase and tryptophan and kynurenine ratio using the UPLC-MS/MS method, in patients undergoing peritoneal dialysis, hemodialysis, and kidney transplantation
Yılmaz, Nigar; Üstündağ, Yasemin; Kıvrak, Şeyda; Kahvecioğlu, Serdar; Çelik, Hüseyin; Kıvrak, İbrahim; Huysal, Kağan (Taylor & Francis Ltd, 2016)Background: The level and activity of indoleamine 2,3-dioxygenase (IDO) and the concentrations of L-tryptophan and its metabolite L-kynurenine were determined in association with various renal diseases. However, there have ... -
Ultrasonic-assisted extraction method of phenolic compounds in Extra-Virgin Olive Oils (EVOOs) by Ultra Performance Liquid Chromatography-Tandem Mass Spectrometry (UPLC-MS/MS)
Kıvrak, Şeyda; Kıvrak, İbrahim (Taylor & Francis Inc, 2020)There is an increasing trend in the consumption of extra virgin olive oil, owing to its health benefits. These health benefits are mainly correlated to health-promoting phenolic components. The aim of this study was to ...