Yazar "Tepe, Bektaş" için listeleme
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Chemical Composition, Radical Scavenging and Antimicrobial Activity of the Essential Oils of Thymus boveii and Thymus hyemalis
Tepe, Bektaş; Sarıkürkcü, Cengiz; Berk, Şeyda; Alim, Ahmet; Akpulat, H. Aşkın (Acg Publications, 2011)This study was designed to examine the in vitro antimicrobial and antioxidant activities of the essential oil of T. boveii and T. hyemalis. According to the results of GC-EIMS analysis, essential oils were found rich in ... -
Determination of chemical profile, antioxidant, DNA damage protection and antiamoebic activities of Teucrium polium and Stachys iberica
Tepe, Bektaş; Değerli, Serpil; Arslan, Serdal; Malatyalı, Erdoğan; Sarıkürkcü, Cengiz (Elsevier Science Bv, 2011)This work deals with the evaluation of in vitro antioxidant, DNA preventing and antiamoebic activities of the water extracts of Teucrium polium and Stachys iberica. In all systems, T. polium extract exhibited excellent ... -
Element concentration, daily intake of elements, and health risk indices of wild mushrooms collected from Belgrad Forest and Ilgaz Mountain National Park (Turkey)
Keskin, Feyyaz; Sarıkürkcü, Cengiz; Akata, Ilgaz; Tepe, Bektaş (Springer Science and Business Media Deutschland GmbH, 2021)The aim of this study was to determine the element content of wild edible and inedible mushroom species (Agaricus campestris, Armillaria ostoyae, Boletus reticulatus, Bondarzewia mesenterica, Bovistella utriformis, ... -
Evaluation of Antioxidant Activities of 3 Edible Mushrooms: Ramaria flava (Schaef.: Fr.) Quel., Rhizopogon roseolus (Corda) TM Fries., and Russula delica Fr.
Gürsoy, Nevcihan; Sarıkürkçü, Cengiz; Tepe, Bektaş; Solak, Mehmet 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 metal concentration and antioxidant activity of three edible mushrooms from Mugla, Turkey
Sarıkürkçü, Cengiz; Tepe, Bektaş; Semiz, Deniz Karslı; Solak, Mehmet Halil (Pergamon-Elsevier Science Ltd, 2010)This study is designed for the determination of metal concentrations, antioxidant activity potentials and total phenolics of Amanita caesarea, Clitocybe geotropa and Leucoagaricus pudicus. Concentrations of four heavy ... -
Evaluation of the antioxidant activity of four edible mushrooms from the Central Anatolia, Eskisehir-Turkey: Lactarius deterrimus, Suillus collitinus, Boletus edulis, Xerocomus chrysenteron
Sarıkürkcü, Cengiz; Tepe, Bektaş; Yamaç, Mustafa (Elsevier Sci Ltd, 2008)The methanolic extracts of Lactarills deterrimus, Suillus collitinus, Boletits edidis, Xcroconius chrysenteron were analyzed for their antioxidant activities in different test systems namely beta-carotene/linoleic acid, ... -
Metal concentrations of wild mushroom species collected from Belgrad forest (Istanbul, Turkey) with their health risk assessments
Keskin, Feyyaz; Sarıkürkçü, Cengiz; Akata, Ilgaz; Tepe, Bektaş (Springer, 2021)Wild edible mushrooms are very popular for both their flavors and nutritional values. However, some mushroom species can be harmful to human health as they accumulate some elements in excessive amounts. The aim of this ... -
Onosma ambigens: Phytochemical composition, antioxidant and enzyme inhibitory activity
Sarıkürkcü, Cengiz; Şahinler, Saliha Şeyma; Ceylan, Olcay; Tepe, Bektaş (Elsevier, 2020)Due to their medical importance, the number of studies on the enlightenment of the biological activities of Onosma species has been increasing over the years. In this study, besides the phytochemical composition of Onosma ... -
Onosma pulchra: Phytochemical composition, antioxidant, skin-whitening and anti-diabetic activity
Sarıkürkcü, Cengiz; Şahinler, Saliha Şeyma; Ceylan, Olcay; Tepe, Bektaş (Elsevier, 2020)Researchers have discovered in recent years that some Onosma species have interesting biological/pharmacological activities. This study was conducted to investigate the antioxidant, tyrosinase and alpha-amylase inhibitor ... -
Phenolic composition, enzyme inhibitory, and antioxidant activity of Bituminaria bituminosa
Sarıkürkcü, Cengiz; Cengiz, Mustafa; Üren, Mehmet Cemil; Ceylan, Olcay; Örenc, Tuba; Tepe, Bektaş (Korean Society Food Science & Technology-Kosfost, 2016)This study aimed to evaluate the in vitro antioxidant and enzyme inhibitory activities of ethyl acetate, methanol, and water extracts of Bituminaria bituminosa. In phosphomolybdenum assay, the methanol extract showed the ... -
Phenolic profile, antioxidant and enzyme inhibitory activity of the ethyl acetate, methanol and water extracts of capparis spinosa l.
Kırkan, Bülent; Ceylan, Olcay; Sarıkürkçü, Cengiz; Tepe, Bektaş (Pamukkale University, 2021)In this study, it was aimed to determine the phytochemical compositions and biological activities of ethyl acetate (EtOAc), methanol (MeOH) and water extracts obtained from the aerial parts of Capparis spinosa L. As a ... -
Stachys germanica subsp. heldreichii (Boiss.) Hayek: Phytochemical analysis, antioxidant and enzyme inhibitory activities
Sarkürkçü, Cengiz; Ceylan, Olcay; Amina, Benabdallah; Tepe, Bektaş (ELSEVIER, 2022)Stachys species have traditionally been used by the people for thousands of years to treat various diseases. In this study, the chemical composition and enzyme inhibitory activities of the various extracts of Stachys ... -
Studies on the antioxidant activity of essential oil and different solvent extracts of Vitex agnus castus L. fruits from Turkey
Sarıkürkcü, Cengiz; Arısoy, Kadir; Tepe, Bektaş; Çakır, Ahmet; Abalı, Gülşah; Mete, Ebru (Pergamon-Elsevier Science Ltd, 2009)This study is designed to examine the chemical composition and antioxidant activity of the essential oil and different solvent extracts of Vitex agnus castus. GC and GC-MS analysis was resulted in the detection of 27 ... -
Studies on the antioxidant activity of the essential oil and methanol extract of Marrubium globosum subsp globosum (lamiaceae) by three different chemical assays
Sarıkürkcü, Cengiz; Tepe, Bektaş; Daferera, Dimitra; Polissiou, Moschos; Harmandar, Mansur (Elsevier Sci Ltd, 2008)This study is designed to examine the chemical composition and in vitro antioxidant activity of the essential oil and sub-fractions of the methanol extract of Marrubium globosum subsp. globosum. The GC and GC-MS analysis ...
