Kurum Yazarı "Bozan, Berrin" Scopus İndeksli Yayınlar Koleksiyonu İçin Listeleme
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Accelerated Solvent Extraction of Flavan-3-OL Derivatives from Grape Seeds
Bozan, Berrin; Altınay, R. Çiğdem (Karger, 2014)Accelerated Solvent Extraction of flavan-3-ols from grape seed was carried out to determine the effect of extraction conditions (solvent type, temperature, extraction time, particle size, and cycle number) at the constant ... -
Alizarin and purpurin contents of Rubia tinctorum L. roots collected from various regions of Turkey [Turkiye'nin degisik yorelerinden toplanan Rubia tinctorum L. koklerinde alizarin ve purpurin miktarlari]
The effect of extraction method on the recovery of alizarin and purpurin from roots of Rubia tinctorum L. was investigated. Alizarin and purpurin contents in Turkish Madder collected from various regions of Anatolia have ... -
Antioxidant activity and phenolic composition of sumac (Rhus coriaria L.) extracts
Koşar, M.; Bozan, Berrin; Temelli, F.; Başer, K. Hüsnü Can (Elsevier Sci LTD, 2007)Antioxidant activity and phenolic compounds of sumac extracts were investigated. Sumac was extracted in methanol and subjected to solvent-solvent partitioning to yield two fractions as ethyl acetate and aqueous. Methanol ... -
Antioxidant and free radical scavenging activities of eight Salvia species
Bozan, Berrin; Öztürk, N; Koşar, Müberra; Tunalıer, Z; Başer, K. Hüsnü Can (Consultants Bureau, 2002)… -
Antioxidant and free radical scavenging activities of Rhus coriaria and Cinnamomum cassia extracts
Bozan, Berrin; Koşar, Müberra; Tunalıer, Z; Öztürk, N; Başer, K. Hüsnü Can (Akademiai Kiado, 2003)Antioxidant and free radical scavenging activities of the extracts of sumac (Rhus coriaria) fruits and cassia. (Cinnamomum cassia) cortex were studied. Plant samples were extracted with methanol:water (80:20) and an aliquot ... -
Antioxidants from laurel (Laurus nobilis L.) berries: influence of extraction procedure on yield and antioxidant activity of extracts
Bozan, Berrin; Karakaplan, U. (Akademiai Kiado, 2007)The antioxidant activities of laurel (Laurus nobilis L.) berries extracts were evaluated using a DPPH assay, a beta-carotene/linoleic acid assay and the Rancimat method. Pericarp and kernel of berries were extracted by ... -
Chemical composition and oxidative stability of flax, safflower and poppy seed and seed oils
Bozan, Berrin; Temelli, Feral (Elsevier Sci LTD, 2008)Three seeds of Turkish origin, flax, poppy and safflower were analyzed for their proximate, fatty acids, tocols (tocopherols and tocotrienols) and total phenolic composition, and oxidative stability of their oil. The major ... -
Choleretic Activity of Gentiana lutea ssp. symphyandra in rats
Öztürk, N; Herekman-Demir, T; Öztürk, Yusuf; Bozan, Berrin; Başer, K. Hüsnü Can (Elsevier GMBH, Urban & Fischer Verlag, 1998)Effects of an ethanolic extract prepared from G. lutea ssp. symphyandra roots on the bile production and liver in rats were investigated. Bile flows of rats which were treated by a single i.p. dose of CCl4 24 h prior to ... -
Coenzyme Q10 concentrations and antioxidant status in tissues of breast cancer patients
Portakal, O; Özkaya, O; İnal, ME; Bozan, Berrin; Koşan, M; Sayek, I (Pergamon-Elsevier Science LTD, 2000)Objectives: An increasing amount of experimental and epidemiological evidence implicates the involvement of oxygen derived radicals in the pathogenesis of cancer development. Oxygen derived radicals are able to cause damage ... -
Comparison of ascorbic and citric acid contents in Rosa Canina L. fruit growing in the Central Asian region
Bozan, Berrin; Sagdullaev, B. T.; Koşar, Müberra; Aripov, Kh. N.; Başer, K. Hüsnü Can (Kluwer Academic/Plenum Publishers, 1998)The evaluation of Rosa canina L. fruits and their products is depended in part on their organic acid contents. In this study, ascorbic and citric acid contents in Rosa canina L. fruits collected from five different regions ... -
Comparison of High Temperature Alkali and Acid Pretreatment for the Enzymatic Saccharification of Poppy Stalks
Hoşgün, Emir Zafer; Bozan, Berrin (Aidic Servizi Srl, 2014)In this study, the effect of dilute alkali (NaOH) and dilute acid (H2SO4) concentrations on the enzymatic digestibility, and sugar recovery from poppy stalks at the pretreatment temperature of 120 degrees C, and pretreatment ... -
Effect of Temperature and Time on the Steam Pretreatment of Hazelnut Shells for the Enzymatic Saccharification
Hoşgün, Emir Zafer; Bozan, Berrin (Aidic Servizi Srl, 2014)Saturated steam pretreatment of hazelnut shells was studied for fermentable sugars after enzymatic hydrolysis. The elevation of temperature (from 160 to 200 degrees C) and time (0-30 min) of steam pretreatment were ... -
Ethanol production from hazelnut shells through enzymatic saccharification and fermentation by low-temperature alkali pretreatment
Hoşgün, Emir Zafer; Berikten, Derya; Kıvanç, Merih; Bozan, Berrin (Elsevier Sci LTD, 2017)Low-temperature sodium hydroxide (NaOH) pretreatment, enzymatic saccharification and ethanol fermentation were evaluated for hazelnut shell cellulose to fermentable sugars and ethanol. Maximum glucose recovery (48.33 g/100 ... -
Extraction of poppy seed oil using supercritical CO2
Bozan, Berrin; Temelli, Feral (Inst Food Technologists, 2003)Extraction of poppy seed oil with supercritical carbon dioxide (SC-CO2) was performed and the effect of extraction conditions on oil solubility and yield as well as oil composition was evaluated. Within the temperature (50 ... -
The influence of pectolytic enzyme addition and prefermentative mash heating during the winemaking process on the phenolic composition of Okuzgozu red wine
Borazan, Alev Akpınar; Bozan, Berrin (Elsevier Sci LTD, 2013)The effects of pectolytic enzyme addition and mash heating prior to fermentation on the phenolic component of Okuzgozu red wine during the winemaking and ageing processes were investigated. In general, the highest concentration ... -
Investigation of the effect of low temperature low time alkali pretreatment on hazelnut shells composition and enzymatic hydrolysis
Hoşgün, Emin Zafer; Bozan, Berrin (Gazi University, Fac Engineering Architecture, 2017)In this study, effect of low temperature-short time alkali pretreatment of hazelnut shells on glucose recovery after enzymatic hydrolysis was investigated. NaOH pretreatment was found to give the highest glucose recovery. ... -
A new naphthaquinone from the roots of Arnebia densiflora
[No abstract available] -
Quantitative determination of escin. A comparative study of HPLC and TLC-densitometry
Escin was quantitatively determined by both HPLC and TLC-densitometric techniques in horse-chestnut extracts. The results were found to be accurate, reproducible and in excellent agreement. -
Quantitative determination of naphthaquinones of Arnebia densiflora (Nordm.) Ledeb. by an improved high-performance liquid chromatographic method
Bozan, Berrin; Başer, K. Hüsnü Can; Kara, S (Elsevier Science BV, 1997)An improved HPLC procedure for quantitative determination of the alkannin derivative naphthaquinones, beta,beta-dimethylacrylalkannin (I), teracrylalkannin (II) and isovalerylalkannin (III)+alpha-methyl-n-butylalkannin ...