Kurum Yazarı "Geçgel, Ümit" Fakülteler İçin Listeleme
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Bioactive Properties, Fatty Acid Composition and Mineral Contents of Grape Seed and Oils
Al Juhaimi, Fahad; Geçgel, Ümit; Gülcü, Mehmet; Hamurcu, Mehmet; Özcan, Mehmet Musa (South African Soc Enology & Viticulture-Sasev, 2017)The oil content of grape seed samples changed between 4.53% (Adakarasi) and 11.13% (Sauvignon blanc). While the linoleic acid contents of grape seed oils ranged from 47.34% (Sangiovese) to 72.91% (Cinsaut), the oleic acid ... -
Bleaching Process of Sunflower Oil by Using Bentonite Activated with Different Chemical Substances
Dülger, Gizem Çagla; Geçgel, Ümit (Asian Journal Of Chemistry, 2014)In this research, activation process took place in different times by using different concentration of H2SO4, HCl and H3PO4 solutions were used to define the proper acid activation circumstances for neutral bentonite clay ... -
Changes in oxidative stability and fatty acid composition of commercially produced chips during shelf-life
Dağlıoğlu, Orhan; Taşan, Murat; Geçgel, Ümit; Daglioglu, Figen (Asian Journal Of Chemistry, 2007)Changes in oxidative stability and fatty acid composition of commercially produced potato and corn chips during shelf-life were studied. The chips were stored at ambient conditions for four months which. Was given by, the ... -
Changes in some physicochemical properties and fatty acid composition of irradiated meatballs during storage
Geçgel, Ümit (Springer India, 2013)Meatball samples were irradiated using a Co-60 irradiation source (with the dose of 1, 3, 5 and 7 kGy) and stored (1, 2 and 3 weeks at 4A degrees C) to appraise some physicochemical properties and the fatty acid composition. ... -
Chemical Composition and Constituent Value of Selected Soybean (Glycine max (L.) Merrill) Cultivars Grown in Turkey
Gaytancıoğlu, Okan; Taşan, Murat; Geçgel, Ümit; Arslan, Dilaver (Asian Journal Of Chemistry, 2009)The aim of this study was to determine and to compare the seed chemical characteristics and constituent value of selected soybean (Glycine max (L.) Merrill) cultivars which were grown in the experimental areas of the ... -
Chemical properties and fatty acid composition of oils extracted from gamma irradiated rape and sunflower seeds
Geçgel, Ümit; Catal, P. (Innovhub Ssi-Area Ssog, 2016)In the present study, rapeseed (Brassica napus) and sunflower seeds (Helianthus annuus L.) were treated with 2.5, 5, 7.5, and 10 kGy of gamma radiation. Effect of irradiation dose on free fatty acids (FFA), peroxide value ... -
Comparison of Fatty Acid Composition between Female and Male Japanese Quail Meats
Geçgel, Ümit; Yılmaz, İsmail; Gürcan, Eser Kemal; Karasu, Salih; Dülger, Gizem Çagla (Hindawi Ltd, 2015)The objective of the present study was to compare the proximate analysis, fatty acids composition, omega fatty acids, trans fatty acids (TFAs), and ratio of the total poly unsaturated fatty acid (Sigma PUFA) and total ... -
Comparison of geometrical isomerization of unsaturated fatty acids in selected commercially refined oils
Taşan, Murat; Geçgel, Ümit; Demirci, M. (Consejo Superior Investigaciones Cientificas-Csic, 2011)Four different commercially refined vegetable oils were analyzed by capillary gas-liquid chromatography for their trans fatty acid contents. The results obtained showed that the total trans FA contents in refined sunflower, ... -
Determination of Bioactive Compounds and Mineral Contents of Seedless Parts and Seeds of Grapes
Özcan, Mehmet Musa; Al Juhaimi, Fahad; Gülcü, Mehmet; Uslu, Nurhan; Geçgel, Ümit (South African Soc Enology & Viticulture-Sasev, 2017)In this study, phenolic compounds, minerals, total flavonoids, total phenolic contents and antioxidant activities of the seedless parts (pulp+skin) and seeds of table and wine grapes were determined. Also, the total oil, ... -
Determination of Fatty Acid Composition and Total Trans Fatty Acids in Meat Products
Yılmaz, İsmail; Geçgel, Ümit (Korean Society Food Science & Technology-Kosfost, 2009)In this research, fatly acid composition and trans fatty acids of 22 selected meat products produced by Turkish companies were analyzed by capillary gas liquid chromatography (GLC). Total fat contents of the meat products ... -
Determination of fatty acid composition of gamma-irradiated hazelnuts, walnuts, almonds, and pistachios
Geçgel, Ümit; Gümüş, Tuncay; Taşan, Murat; Dağlıoğlu, Orhan; Arıcı, Muhammet (Pergamon-Elsevier Science Ltd, 2011)Hazelnut, walnut, almonds, and pistachio nuts were treated with 1, 3, 5, and 7 kGy of gamma irradiation, respectively. Oil content, free fatty acid, peroxide value, and fatty acid composition of the nuts were investigated ... -
The determination of heavy metal and micronutrient elements in sunflower seeds grown in the Thrace region
Geçgel, Ümit; Ay, O. (Innovhub Ssi-Area Ssog, 2017)In this research, the amount of heavy metals and micronutrient elements were determined in sunflower seeds, which are widely produced in the Thrace Region. This study was performed on the sunflowers harvested from 28 ... -
Determination of Heavy Metals and Micronutrients in Olives Grown Under Different Conditions
Tuna, Burcu; Geçgel, Ümit (Parlar Scientific Publications (P S P), 2011)Heavy metals are extremely persistent in the environment; they are non-biodegradable and non-thermodegradable, and thus readily accumulate to toxic levels. When released into open areas, there is a risk that some heavy ... -
Determination of physicochemical properties of irradiated sumac (Rhus coriaria L.) fruit oils
Karadaş, Özgür; Yılmaz, İsmail; Geçgel, Ümit (Pergamon-Elsevier Science Ltd, 2022)Sumac fruit is widely used both in Turkey and in many countries of the world in the food industry, especially in spices and seasonings, and in many other areas. Gamma irradiation is a food preservation method applied in ... -
Distinct Postsurgical Management in Young and Elderly Breast Cancer Patients Results in Equal Survival Rates
Şen Oran, Ebru; Yankol, Yücel; Soybir, Gürsel Remzi; Karşıdağ, Tamer; Sakallı, Onur; Geçgel, Ümit; Soran, Atilla (Asian Pacific Organization Cancer Prevention, 2014)Background: Although breast cancer (BC) is one of the most common malignant diseases in women, the majority of the studies describing the characteristics of BC in elderly patients have been limited to survival assessments ... -
Effect of Gamma Irradiation on Biochemical Properties of Grape Seeds
Apaydın, Demet; Demirci, Ahmet Şükrü; Geçgel, Ümit (Wiley, 2017)In the present study, grape seed samples (Alicante Bouschet, Cabernet Franc, Cinsault, Merlot, Shiraz) were treated with 1.0, 3.0, 5.0, and 7.0 kGy of gamma radiation. Effect of irradiation dose on free fatty acids (FFA), ... -
Effect of gamma radiation on microbiological and oil properties of black cumin (Nigella sativa L.)
Arıcı, Muhammet; Çolak, Ferya Arslan; Geçgel, Ümit (Inst Grasa Sus Derivados, 2007)Black cumin samples obtained from the market have been irradiated under 2.5 kGy, 6 kGy, 8 kGy, and 10 kGy doses, respectively. Along with the increase in the dose of irradiation, both the free fatty acid and peroxide values ... -
Effect of harvest time on physico-chemical properties and bioactive compounds of pulp and seeds of grape varieties
Özcan, Mehmet Musa; Al Juhaimi, Fahad; Gülcü, Mehmet; Uslu, Nurhan; Geçgel, Ümit; Ghafoor, Kashif; Dursun, Nesim (Springer India, 2017)In this study, physicochemical properties and bioactive compounds of three grape varieties (Cardinal, MuAYkule and Razaki) harvested at the three different harvest times (on time, one and two weeks earlier) were investigated. ... -
Effect of inulin addition on physico-chemical and sensory characteristics of meatballs
Yılmaz, İsmail; Geçgel, Ümit (Springer India, 2009)Effect of veal meatballs produced with 0, 5, 10, 15 and 20% of inulin on their fatty acid composition, trans fatty acids, total fat, instrumental colour, texture, weight losses and sensory properties was studied. Meatballs ... -
Effect of some plant species on fatty acid composition and mineral contents of Ferulago, Prangos, Ferula, and Marrubium seed and oils
Ghafoor, Kashif; Dogu, Sueleyman; Ahmed, Isam Ali Mohamed; Fadimu, Gbemisola J.; Geçgel, Ümit; Al Juhaimi, Fahad; Özcan, Mehmet Musa (Wiley, 2019)The oil contents of seeds were between 4.92% (Ferulago aucheri) and 16.47% (Ferula parva). The highest oleic acid contents were detected in Ferulago syraea (67.15%), Ferulago pauciradiata (67.15%), Ferulago pachyloba ...