Browsing by Author "Ozen, Tevfik"
Now showing items 1-20 of 22
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Anti-oxidant, DNA-damage protection and anti-cancer properties of n-butanol extract of the endemic Perralderia coronopifolia
Bekhouche, Khadidja; Ozen, Tevfik; Boussaha, Sara; Koldas, Serkan; Yenigun, Semiha; Lassed, Somia; Zama, Djamila (Bangladesh Pharmacological Soc, 2018)This study was designed to evaluate in vitro the total phenolic, flavonoid content, anti-oxidant activity, oxidative DNA-damage protection and anti-cancer activity of n-butanol extract from Perralderia coronopifolia, endemic ... -
Antioxidant Properties of Urtica pilulifera Root, Seed, Flower, and Leaf Extract
Ozen, Tevfik; Collu, Zeynep; Korkmaz, Halil (Mary Ann Liebert, Inc, 2010)This study was conducted to evaluate the antioxidative properties of hydroalcoholic (80%) extracts from different parts of Urtica pilulifera L. (Family Urticaceae), including leaf (UPL), flower (UPF), seed (UPS), and root ... -
Antioxidative Properties of Thymus pseudopulegioides: Comparison of Different Extracts and Essential Oils
Ozen, Tevfik; Demirtas, Ibrahim (Taylor & Francis Ltd, 2015)The ethanol (EE), acetone (AE), methanol (ME), hexane (HE), and water extracts (WE) of Thymus pseudopulegioides Klokov & Des.Shost (TPK) were assessed for their antioxidant activities. Antioxidant activities were evaluated ... -
A Comparison Investigation on Antioxidant Activities, Physicochemical Properties and Phytochemical Contents of Kiwifruit Genotypes and Cultivars
Ozen, Tevfik; Zenginbal, Hamdi; Yazicioglu, Emine; Gul, Fatih; Demirtas, Ibrahim (Taylor & Francis Inc, 2019)The present work was conducted to find the physicochemical properties, chemical components and antioxidant capacity of kiwifruit hydroalcoholic extracts (B-31, HO-1-14, J-242, Bruno, Greenlight, Hayward, Monty, Topstar) ... -
A Comprehensive Study on Phytochemical Contents, Isolation and Antioxidant Capacities in wild mind, Mentha longifolia subsp. typhoides var. typhoides
Ozen, Tevfik; Telci, Isa; Gul, Fatih; Demirtas, Ibrahim (Univ Mohammed Premier Oujda, 2018)The current study is to determine variation in vitro antioxidant activities and chemical contents of different extraction solvents in aerial parts of wild M. longifolia subsp. typhoides var. typhoides taxons from Tokat, ... -
The cytotoxicity and antioxidant activity analysis of the isolated constituents and extracts from endemic Centaurea derderiifolia
Bulut, Fatma; Demirtas, Ibrahim; Koldas, Serkan; Gul, Fatih; Behcet, Lutfi; Ozen, Tevfik; Oke-Altuntas, Feyza (Taylor & Francis Ltd, 9999)It is aimed to investigate the cytotoxic effects of the various extracts from the leaf and seed of Centaurea derderiifolia on the growth human cervical adenocarcinoma (HeLa) cells by xCELLigence method and to isolate the ... -
The Effect of UV-A and Various Visible Light Wavelengths Radiations on Expression Level of Escherichia coli Oxidative Enzymes in Seawater
Idil, Onder; Darcan, Cihan; Ozen, Tevfik; Ozkanca, Resit (Ahvaz Jundishapur Univ Med Sci, 2013)Background: Light and photosensitizers affectthe survival of bacteria in natural environments. Also light and photosensitizers are used for disinfection of materials such as blood, blood products, and water. Objectives: ... -
Effects of bay leaf (Laurus nobilis) and green tea (Camellia sinensis) extracts on the physicochemical properties of the marinated anchovies with vacuum packaging
Ficicilar, Bilge Bilgin; Genccelep, Hueseyin; Ozen, Tevfik (Taylor & Francis Ltd, 2018)Green tea and bay leaf extracts are natural preservatives for increasing the shelf life of food products. Effects of green tea and bay leaf extract on anchovy marinades were determined by measuring microbiological, sensory, ... -
The Effects of Urtica Dioica L. Leaf Extract on Aniline 4-Hydroxylase in Mice
Ozen, Tevfik; Korkmaz, Halil (Polskie Towarzystwo Farmaceutyczne, 2009)The effects of hydroalcoholic (80 % ethanol-20 % water) extract of Urtica dioica L. on microsomal aniline 4-hydroxylase (A4H) were investigated in the liver of Swiss albino mice (8-10 weeks old) treated with two doses (50 ... -
Evaluation of Bioactivities, Phenolic and Metal Content of Ten Wild Edible Mushrooms from Western Black Sea Region of Turkey
Ozen, Tevfik; Kizil, Demet; Yenigun, Semiha; Cesur, Hasan; Turkekul, Ibrahim (Begell House Inc, 2019)In this study, we investigated the phenolic profile, metal concentrations, and antioxidant and antimicrobial activities of edible mushrooms collected from Sinop, Turkey: Amanita caesarea, Boletus edulis, Grifola frondosa, ... -
Extraction, isolation of heat-resistance phenolic compounds, antioxidant properties, characterization and purification of 5-hydroxymaltol from Turkish apple pulps
Demirci, Mehmet Ali; Ipek, Yasar; Gul, Fatih; Ozen, Tevfik; Demirtas, Ibrahim (Elsevier Sci Ltd, 2018)Apple pulps (AP) were obtained as a side product in fruit juice factories and contains valuable phenolic compounds. The dried AP was subjected to extraction with water, ethyl acetate (APEA) and n-butanol (APBU), respectively. ... -
Hepatoprotective effects of the n-butanol extract from Perralderia coronopifolia Coss. against PCP-induced toxicity in Wistar albino rats
Bekhouche, Khadidja; Ozen, Tevfik; Boussaha, Sara; Demirtas, Ibrahim; Kout, Mounir; Yildirim, Kemal; Benayache, Samir (Springer Heidelberg, 2019)In the present study, in vivo antioxidant properties of the n-butanol extract obtained from aerial parts of Perralderia coronopifolia were investigated in term of its hepatoprotective effect of female Wistar albino rats ... -
The impacts of Elaeagnus umbellata Thunb. leaf and fruit aqueous extracts on mice hepatic, extrahepatic antioxidant and drug metabolizing enzymes related structures
Ozen, Tevfik; Yildirim, Kemal; Toka, Mehmet (Univ Sao Paulo, Conjunto Quimicas, 2017)In this work, the potential chemopreventive activities of Elaeagnus umbellata fruit aqueous (EUFA) and leaf aqueous (EULA) extracts focusing on the modulatory influence of xenobiotic metabolizing enzymes (XMEs), antioxidant ... -
In vitro antioxidant, DNA-damaged protection and antiproliferative activities of ethyl acetate and n-butanol extracts of Centaurea sphaerocephala L.
Lahneche, Amina M.; Boucheham, Ratiba; Ozen, Tevfik; Altun, Muhammed; Boubekri, Nassima; Demirtas, Ibrahim; Zama, Djamila (Acad Brasileira De Ciencias, 2019)This study aimed to evaluate the in vitro antiproliferative and inhibition of oxidative DNA-damage activities of n-butanol (n-BuOH) extract of Centaurea sphaerocephala. The in vitro antioxidant activity of the ethyl acetate ... -
An investigation of chemical content, enzyme inhibitory propert, antioxidant and antibacterial activity of Aristolochia bodamae Dingler (develiotu) (Aristolochiaceae) root extracts from Samsun, Turkey
Ozen, Tevfik; Bora, Neslihan; Yenigun, Semiha; Korkmaz, Hasan (Wiley, 2020)The present work aimed to evaluate the phytochemical contents of the methanol (ME), ethanol (ET), water (W), acetone (AC), ethyl acetate (EA), and hexane (HE) of Aristolochia bodamae root (ABR) as well as inhibition ... -
Phenolic Content and Biomolecule Oxidation Protective Activity of Globularia alypum Extracts
Bouriche, Hamama; Kada, Seoussen; Senator, Abderrahmane; Demirtas, Ibrahim; Ozen, Tevfik; Toptanci, Bircan Ceken; Kizil, Murat (Inst Tecnologia Parana, 2017)The protective activity of methanolic (Met E) and aqueous (Aq E) extracts of Globularia alypum L. (G. alypum) against DNA, lipid and protein oxidative damage was investigated. Moreover, the scavenging, chelating, and ... -
Phytochemical Constituents, ChEs and Urease Inhibitions, Antiproliferative and Antioxidant Properties of Elaeagnus umbellata Thunb
Ozen, Tevfik; Yenigun, Semiha; Altun, Muhammed; Demirtas, Ibrahim (Bentham Science Publ Ltd, 2017)Aim and Objective: Due to the common ethnopharmacological used or scientifically examined biochemical properties, Elaeagnaceae family, Elaeagnus umbellate (Thunb.) (EU, Guz yemisi) was worth investigating. Materials and ... -
Phytochemical screening, anticancer and antioxidant activities of Origanum vulgare L. ssp viride (Boiss.) Hayek, a plant of traditional usage
Koldas, Serkan; Demirtas, Ibrahim; Ozen, Tevfik; Demirci, Mehmet Ali; Behcet, Lutfi (Wiley, 2015)BACKGROUNDA detailed phytochemical analysis of Origanum vulgare L. ssp. viride (Boiss.) Hayek was carried out and the antioxidant activities of five different crude extracts were determined. The antiproliferative activities ... -
Protective activity of Hertia cheirifolia extracts against DNA damage, lipid peroxidation and protein oxidation
Kada, Seoussen; Bouriche, Hamama; Senator, Abderrahmane; Demirtas, Ibrahim; Ozen, Tevfik; Toptanci, Bircan Ceken; Kizil, Murat (Taylor & Francis Ltd, 2017)Context: Hertia cheirifolia L. (Asteraceae), a perennial shrub widely distributed in Northern Africa, is traditionally used to treat inflammatory disorders. Objective: The protective effect of methanol (Met E) and aqueous ... -
Screening of Antioxidant, Antimicrobial Activities and Chemical Contents of Edible Mushrooms Wildly Grown in the Black Sea Region of Turkey
Ozen, Tevfik; Darcan, Cihan; Aktop, Oznur; Turkekul, Ibrahim (Bentham Science Publ Ltd, 2011)The antioxidative activities of the methanol extracts obtained from twelve commonly consumed wild edible mushrooms were investigated according to the phosphomolybdenum method, inhibition of linoleic acid peroxidation, ...
