Browsing by Author "Gursoy, Nevcihan"
Now showing items 1-11 of 11
-
Antioxidant activities, metal contents, total phenolics and flavonoids of seven Morchella species
Gursoy, Nevcihan; Sarikurkcu, Cengiz; Cengiz, Mustafa; Solak, M. Halil (PERGAMON-ELSEVIER SCIENCE LTD, 2009)Seven Morchella species were analyzed for their antioxidant activities in different test systems namely beta-carotene/linoleic acid, DPPH, reducing power, chelating effect and scavenging effect (%) on the stable ABTS(center ... -
Changes in spontaneous contractions of rat ileum by aflatoxin in vitro
Gursoy, Nevcihan; Sarac, Bulent; Durmus, Nedim; Parlak, Ahmet; Yildirim, Sahin; Kaya, Tijen; Bagcivan, Ihsan (PERGAMON-ELSEVIER SCIENCE LTD, 2008)Aflatoxins are a group of mycotoxins produced by toxigenic strains of Aspergillus flavus, Aspergillus parasiticus and Aspergillus nomius as secondary metabolites. Most of the studies on the aflatoxins have focused mainly ... -
Chemical Composition and Antioxidant Activity of the Essential Oils of Salvia palaestina (Bentham) and S. ceratophylla (L.)
Gursoy, Nevcihan; Tepe, Bektas; Akpulat, H. Askin (ACG PUBLICATIONS, 2012)This study is designed to examine the chemical composition and in-vitro antioxidant activity of the essential oils of Salvia palaestina (Bentham) and S. ceratophylla (L.). GC-EIMS analyses of the essential oils were resulted ... -
Determination of In Vitro Antioxidative and Antimicrobial Properties and Total Phenolic Contents of Ziziphora clinopodioides, Cyclotrichium niveum, and Mentha longifolia ssp typhoides var. typhoides
Gursoy, Nevcihan; Sihoglu-Tepe, Arzuhan; Tepe, Bektas (MARY ANN LIEBERT INC, 2009)The aerial parts of Ziziphora clinopodioides, Cyclotrichium niveum, and Mentha longifolia ssp. typhoides var. typhoides were screened for their possible antioxidant and antimicrobial activities in addition to their penolic ... -
Determination of the Antimicrobial and Antioxidative Properties and Total Phenolics of Two "Endemic" Lamiaceae Species from Turkey: Ballota rotundifolia L. and Teucrium chamaedrys C. Koch
Gursoy, Nevcihan; Tepe, Bektas (SPRINGER, 2009)This study was designed to examine the in vitro antimicrobial and antioxidant activities and the amount of total phenolics of the methanol extracts of Ballota rotundifolia L. and Teucrium chamaedrys C. Koch. In the case ... -
Effective UO22+ removal from aqueous solutions using lichen biomass as a natural and low-cost biosorbent
Gul, Ulkuye Dudu; Senol, Zeynep Mine; Gursoy, Nevcihan; Simsek, Selcuk (ELSEVIER SCI LTD, 2019)The UO22+ biosorption properties of a lichen, Evernia prunasui, from aqueous solutions were investigated. The widely occurring lichen samples were collected from the forest in Bilecik-Turkey. The UO22+ biosorption onto ... -
The effects of bifidobacterium lactis and galactooligosaccharide (GOS) on ileum and distal colon motility: In vitro study
Gursoy, Nevcihan (ACADEMIC JOURNALS, 2011)Twenty one male Wistar albino rats each weighing approximately 280 g were used in this study. Animals were divided into three groups. The first group (n = 7) consisted of sham controls, in the second (n = 7), rats were ... -
Evaluation of Antioxidant Activities of 3 Edible Mushrooms: Ramaria flava (Schaef.: Fr.) Quel., Rhizopogon roseolus (Corda) TM Fries., and Russula delica Fr.
Gursoy, Nevcihan; Sarikurkcu, Cengiz; Tepe, Bektas; Solak, M. Halil (KOREAN SOCIETY FOOD SCIENCE & TECHNOLOGY-KOSFOST, 2010)The methanolic extracts of Ramaria flava, Rhizopogon roseolus", and Russula delica were analyzed for their antioxidant, activities in different test systems including. beta-carotene/linoleic acid, 1.1-dipheny1-2-picrylhydrazyl ... -
EVALUATION OF THE CHEMICAL COMPOSITION AND ANTIOXIDANT ACTIVITY OF THE PEEL OIL OF CITRUS NOBILIS
Gursoy, Nevcihan; Tepe, Bektas; Sokmen, Munevver (TAYLOR & FRANCIS INC, 2010)Peel oil of Citrus nobilis (Lour) was analyzed for determining its chemical composition. Fourteen identified components accounted for 99.1% (GC) and 100.0% (FID) of the total oil. Major component of the oil was limonene ... -
Investigation of acute effects of aflatoxin on rat proximal and distal colon spontaneous contractions
Gursoy, Nevcihan; Durmus, Nedim; Bagcivan, Ihsan; Sarac, Bulent; Parlak, Ahmet; Yildirim, Sahin; Kaya, Tijen (PERGAMON-ELSEVIER SCIENCE LTD, 2008)Aflatoxins are one of the most potent toxic, mutagenic, teratogenic, cancerogenic, and immunosuppresive substances that naturally Occurring contaminants of food. There are some studies in various animal species that have ... -
Sequential determination of serum viral titers, virus-specific IgG antibodies, and TNF-alpha, IL-6, IL-10, and IFN-gamma levels in patients with Crimean-Congo hemorrhagic fever
Kaya, Safak; Elaldi, Nazif; Kubar, Ayhan; Gursoy, Nevcihan; Yilmaz, Meral; Karakus, Gulderen; Gunes, Turabi; Polat, Zubeyde; Gozel, Mustafa Gokhan; Engin, Aynur; Dokmetas, Ilyas; Bakir, Mehmet; Yilmaz, Neziha; Sencan, Mehmet (BIOMED CENTRAL LTD, 2014)Background: Although there have been a number of studies on the pathogenesis of Crimean-Congo hemorrhagic fever (CCHF) recently, knowledge on this topic is still insufficient. This study aims to reveal the kinetics of serum ...
