Browsing by Author "Tepe, Bektas"
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Antioxidant activity of the essential oil and various extracts of Nepeta flavida Hub.-Mor. from Turkey
Tepe, Bektas; Daferera, Dimitra; Tepe, Arzuhan-Sihoglu; Polissiou, Moschos; Sokmen, Atalay (ELSEVIER SCI LTD, 2007)This study was designed to examine the chemical composition and in vitro antioxidant activity of the essential oil and various extracts (hexane, dichloromethane and methanol sub-fractions) of Nepeta flavida. GC and GC-MS ... -
Antioxidant potentials and rosmarinic acid levels of the methanolic extracts of Salvia verticillata (L.) subsp verticillata and S-verticillata (L.) subsp amasiaca (Freyn & Bornm.) Bornm
Tepe, Bektas; Eminagaoglu, Ozgur; Akpulat, H. Askin; Aydin, Enes (ELSEVIER SCI LTD, 2007)This study was designed to examine the in vitro antioxidant activities and rosmarinic acid levels of the methanol extracts of Salvia verticillata subsp. verticillata and S. verticillata subsp. amasiaca. The extracts were ... -
Antioxidant potentials and rosmarinic acid levels of the methanolic extracts of Salvia virgata (Jacq), Salvia staminea (Montbret & Aucher ex Bentham) and Salvia verbenaca (L.) from Turkey
Tepe, Bektas (ELSEVIER SCI LTD, 2008)This study was designed to examine the in vitro antioxidant activities and rosmarinic acid levels of the methanol extracts of Salvia virgata, Salvia staminea and Salvia verbenaca. The extracts were screened for their ... -
Antitumoral effects of Allium sivasicum on breast cancer in vitro and in vivo
Tepe, Bektas; Tuncer, Ersin; Saraydin, Serpil Unver; Ozer, Hatice; Sen, Metin; Karadayi, Kursat; Inan, Deniz Sahin; Karadayi, Sule; Polat, Zubeyde; Akpulat, Askin; Duman, Mustafa; Koksal, Binnur; Turan, Mustafa (SPRINGER, 2013)This work aims to investigate the antiproliferative properties of Allium sivasicum (AS) on breast cancer. AS extracts were studied for cytotoxicity against the breast cancer cell lines. In vitro apoptosis studies of breast ... -
Antitumoral Effects of Melissa officinalis on Breast Cancer in Vitro and in Vivo
Saraydin, Serpil Unver; Tuncer, Ersin; Tepe, Bektas; Karadayi, Sule; Ozer, Hatice; Sen, Metin; Karadayi, Kursat; Inan, Deniz; Elagoz, Sahande; Polat, Zubeyde; Duman, Mustafa; Turan, Mustafa (ASIAN PACIFIC ORGANIZATION CANCER PREVENTION, 2012)Background: There is a long standing interest in the identification of medicinal plants and derived natural products for developing cancer therapeutics. Here we investigated the antiproliferative properties of Melissa ... -
Antitumoral effects of Salvia absconditiflora Greuter & Burdet syn. Salvia cryptantha Montbret & Aucher ex Benth. on Breast cancer
Ozer, Hatice; Altun, Ahmet; Saraydin, Serpil Unver; Soylu, Sinan; Goktas, Selcuk; Tuncer, Ersin; Inan, Deniz Sahin; Koksal, Binnur; Temiz, Tijen Kaya; Tepe, Bektas; Sen, Metin; Karadayi, Kursat; Turan, Mustafa (NATL INST SCIENCE COMMUNICATION-NISCAIR, 2013)This work aims to investigate the antiproliferative properties of Salvia cryptantha on breast cancer. Salvia cryptantha (SC) extracts were studied for cytotoxicity against the breast cancer cell lines. In-vitro apoptosis ... -
Chemical composition and antioxidant activity of the essential oil of Clinopodium vulgare L.
Tepe, Bektas; Sihoglu-Tepe, Arzuhan; Daferera, Dimitra; Polissiou, Moschos; Sokmen, Atalay (ELSEVIER SCI LTD, 2007)This study was designed to examine the chemical composition and in vitro antioxidant activity of the essential oil of Clinopodium vulgare. GC-MS analysis of the oil resulted in the identification of 40 compounds, representing ... -
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 ... -
Chemical composition, antioxidant and antimicrobial properties of the essential oils of three Salvia species from Turkish flora
Kelen, Mustafa; Tepe, Bektas (ELSEVIER SCI LTD, 2008)Essential oils of three different Salvia species [Salvia aucheri var. aucheri (endemic), Salvia aramiensis and Salvia pilifera (endemic)] were screened for their possible antioxidant and antimicrobial properties as well ... -
Chemical Composition, Radical Scavenging and Antimicrobial Activity of the Essential Oils of Thymus boveii and Thymus hyemalis
Tepe, Bektas; Sarikurkcu, Cengiz; Berk, Seyda; Alim, Ahmet; Akpulat, H. Askin (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 ... -
Clarification on a Published Paper in Iran J Parasitol
Degerli, Serpil; Tepe, Bektas (IRANIAN SCIENTIFIC SOCIETY MEDICAL ENTOMOLOGY, 2015)… -
Determination of chemical profile, antioxidant, DNA damage protection and antiamoebic activities of Teucrium polium and Stachys iberica
Tepe, Bektas; Degerli, Serpil; Arslan, Serdal; Malatyali, Erdogan; Sarikurkcu, 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 ... -
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 ... -
Effect of black mulberry (Morus nigra) extract treatment on cognitive impairment and oxidative stress status of d-galactose-induced aging mice
Turgut, Nergiz Hacer; Mert, Derya Guliz; Kara, Haki; Egilmez, Hatice Reyhan; Arslanbas, Emre; Tepe, Bektas; Gungor, Huseyin; Yilmaz, Nese; Tuncel, Necati Baris (TAYLOR & FRANCIS LTD, 2016)Context: Morus nigra L. (Moraceae) has various uses in traditional medicine. However, the effect of M. nigra on cognitive impairment has not been investigated yet. Objective: The objective of this study is to determine the ... -
Effect of Capparis spinosa L. on cognitive impairment induced by D-galactose in mice via inhibition of oxidative stress
Turgut, Nergiz Hacer; Kara, Haki; Arslanbas, Emre; Mert, Derya Guliz; Tepe, Bektas; Gungor, Huseyin (TUBITAK SCIENTIFIC & TECHNICAL RESEARCH COUNCIL TURKEY, 2015)Background/aim: To determine the phenolic acid levels and DNA damage protection potential of Capparis spinosa L. seed extract and to investigate the effect of the extract on cognitive impairment and oxidative stress in an ... -
Essential Oil Composition and Antioxidant Activities of Alkanet (Alkanna tinctoria subsp. tinctoria)
Ozer, M. Sabih; Sarikurkcu, Cengiz; Tepe, Bektas; Can, Sendil (SPRINGER, 2010)This study is designed to examine the chemical composition and in vitro antioxidant activity of the hydrodistillated essential oil and the various extracts of alkanet (Alkanna tinctoria subsp. tinctoria). Gas chromatography ... -
Essential oil composition and antioxidant activity of Thymus longicaulis C. Presl subsp longicaulis var. longicaulis
Sarikurkcu, Cengiz; Ozer, M. Sabih; Eskici, Mustafa; Tepe, Bektas; Can, Sendil; Mete, Ebru (PERGAMON-ELSEVIER SCIENCE LTD, 2010)This study is designed to examine the chemical composition and in vitro antioxidant activity of the hydro-distillated essential oil and various extracts obtained from Thymus longicaulis subsp. longicaulis var. Iongicaulis. ... -
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 in vitro effect of Morus rubra (red mulberry) on survival of periodontal ligament cells
Ozan, Fatih; Tepe, Bektas; Polat, Zuebeyde Akin; Er, Kuesat (MOSBY-ELSEVIER, 2008)Objective. The purpose of this study was to determine the ability of the juice of Morus rubra fruit to serve as a temporary storage medium for the maintenance of periodontal ligament (PDL) cell viability of avulsed teeth. ...