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Базы данных : Web of Science Core ... ✕Кафедра : Gıda Mühendisliği ✕
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COMPARATIVE STUDY OF FERMENTATION PROCESSES OF YAK AND COW MILK

Aygül USUBALİYEVA | Cıldızay ÖZBEKOVA

Yak milk is a valuable raw material for the production of functional food. Investigation of the fermentation process with commercial starter cultures is conducted to find suitable starters for producing fermented yak milk products on an industrial scale using modern rheological, microbiological, and sensorial methods. According to the acidification curve and rheological measurement, the gel-forming time of yak milk with mesophilic, thermophilic and mixed (meso-thermophilic) starter cultures was not significantly different from cow milk; but, yak milk had a significantly higher gel strength in ...Более

Статья 2023 Mühendislik Fakültesi Journal of microbiology, biotechnology and food sciences13 ( 4 ) 18 Просмотры
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Study of relations between chemical, colour and fluorescence properties of raw and dried meat powders of cow and yak (Bos grunniens)

Cıldızay ÖZBEKOVA | Asılbek KULMIRZAYEV

Gluteus medius, Longissimus thoracis, and Semitendinosus muscles from the cow and yak (Bos grunniens) reared in the Kyrgyz Republic were dried by convective (hot air) drying and freeze drying. The dried muscles were grinded into fine powders and along with raw muscles were evaluated for water activity (aW), chemical composition (moisture, fat, protein), colour characteristics (L, a, and b values), fluorescence of intrinsic fluorophores (tryptophan, vitamin A, and riboflavin). Processing of measured data tables using common components and specific weights analysis (CCSWA) showed close relations ...Более

Статья 2023 Mühendislik Fakültesi Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy306 19 Просмотры
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Application of selected lactic acid bacteria isolates for bread production without baker's yeast

Ayçürök MACİTOVA | Acar Makambay Kızı

The isolates of lactic acid bacteria (LAB) from traditional fermented koumiss and homemade dry rye sourdough were examined for their potential to be used in bread production without baker’s yeast. Among twenty isolates, three with superior fermentation ability and acidification capability were identified by 16S rRNA gene sequencing. Leuconostoc mesenteroides from koumiss, Levilactobacillus brevis from 48 h activated rye sourdough, and Leuconostoc citreum from rye sourdough extract were singly and mixed (1:1:1) inoculated into liquid sourdoughs and used for bread-making tests. Bread prepared wi ...Более

Статья 2024 Mühendislik Fakültesi Food Science and Biotechnology ( Published online: 27 April 2024 ) 0 Просмотры
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Determination of amino acid profile of mare milk produced in highlands of the Kyrgyz Republic during the milking season

Ayçürök MACİTOVA | Asılbek KULMIRZAYEV

This study was carried out to determine the influence of milking season on amino acid (AA) profile and chemical composition of milk samples from Kyrgyz native breed mares under traditional pasture conditions. Milk samples were collected monthly from May to August 2014 from mares grazing at 2,200 m above sea level. The AA composition was determined by precolumn derivatization with diethyl ethoxymethylenemalonate in HPLC and 18 AA were determined in mare milk. The analytical parameters of linearity (0.01–4 μg/mL), precision of the method (0.26–4.88% relative standard deviation), derivatization p ...Более

Статья 2016 Mühendislik Fakültesi Journal of Dairy Science99 ( 4 ) 109 Просмотры
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Modified Dincer and Dost Method for Predicting the Mass Transfer Coefficients in Solids

Coşkan ILICALI

The analytical model developed by Dincer and Dost [3] for the estimation of diffusivities and mass transfer coefficients has been reviewed, and the equations used for the evaluation of the mass transfer coefficients have been corrected. The corrected equations have been used for the calculation of mass transfer coefficients from literature data. It was observed that the corrected diffusivities showed significant differences from the previously calculated values. The use of the modified equations in future drying calculations will lead to more realistic mass transfer coefficient values. - Keyw ...Более

Статья 2016 Mühendislik Fakültesi International Journal of Food Engineering12 ( 1 ) 61 Просмотры
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Investigation of changes in chemical composition and rheological properties of Kyrgyz rice cultivars (Ozgon rice) depending on long-term stack-storage after harvesting

Camilya SMANALİYEVA | Kalıypa SALİYEVA | Bakıt BORKOYEV

The present work investigated the effect of long-term stack-storage after harvesting on selected chemical and rheological properties of Kyrgyz rice cultivars, Ozgon. The performance indicators of in stack-stored Ozgon rice samples after 4, 6, and 12 days was grain size, grain weight, color, moisture, total starch, amylose, protein, fat and ash contents, and mineral composition as well as the rheological properties of rice flour dough. The change of stored rice is caused by the organic modification of the starch structure, decreasing of moisture as well as proteolysis of proteins in the endospe ...Более

Статья 2015 Mühendislik Fakültesi LWT - Food Science and Technology63 ( 1 ) 187 Просмотры
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Amino Acid and Fatty Acid Profile of the Mare's Milk Produced on Suusamyr Pastures of the Kyrgyz Republic During Lactation Period

Ayçürök MACİTOVA | Asılbek KULMIRZAYEV | Cıldızay ÖZBEKOVA | Aybek BODOŞOV

The high nutritional and health-promoting properties of kymyz, a traditional drink of nomads produced from mare's milk, are well-known and reported in literature. The composition of mare's milk is significantly different from that of cow and other ruminants. Fatty acid composition and amino acid profile of mare's milk produced at Suusamyr pastures of Kyrgyzstan were studied during four lactation months (May, June, July and August). The amino acid composition was determined by precolumn derivatization with diethyl ethoxymethylenemalonate (DEEMM) in high-performance liquid chromatography (HPLC) ...Более

Доклады конференции 2015 Mühendislik Fakültesi Procedia - Social and Behavioral Sciences195 83 Просмотры
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Detection of Escherichia coli O157:H7 using immunomagnetic separation and mPCR in Turkish foods of animal origin

Zafer GÖNÜLALAN

The present study was conducted to investigate the presence of Escherichia coli O157:H7 in food samples of animal origin and to detect its virulence genes by immunomagnetic separation technique and multiplex PCR (mPCR). A total of 500 samples (consisting of diced meat, minced meat, burger, raw cow's milk and raw cow's milk cheese) were analysed. Escherichia coli O157:H7 was detected in 5 (1%) of 500 analysed samples including two diced meat, one minced meat and two raw-milk cheese. None of the burger samples tested contained E. coli O157:H7. Three isolates obtained from minced and diced meat w ...Более

Статья 2013 Mühendislik Fakültesi Letters in Applied Microbiology57 ( 4 ) 111 Просмотры
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The Problem of Terrorism in Central Asia and Countering Terrorist Activities in Kyrgyzstan

Bakıt BORKOYEV

This article discusses the sources and characteristics of terrorism in Central Asia, particularly in Kyrgyzstan as well as the scope and effectiveness of counter-terrorism measures in the region. The article analyzes the threats to regional security, nature of radicalism, reasons of population's involvement in radical politics and the impact of Afghanistan on the problem of terrorism in the region. The article also focuses on the phenomenon of terrorism in Kyrgyzstan by identifying its main causes, such as weak political institutions, the crisis of ideology in the post-Soviet era and Kyrgyzsta ...Более

Доклады конференции 2013 Mühendislik Fakültesi Afghanistan and Central Asia: NATO's Role in Regional Security since 9/11 : Book Series: NATO Science for Peace and Security Series - E: Human and Societal Dynamics106 71 Просмотры
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Urgent Measures to Improve Food Quality and Safety Control in the Kyrgyz Republic

Asılbek KULMIRZAYEV

The chapter discusses the food quality and safety control system in the Kyrgyz Republic. Specifically, the chapter introduces current socio-economic situation, characterization of the domestic food market, and elements of the national food control system upon adopting a series of new regulations since 2004. The new food safety system is progressively setting up, but there are a number of problems that holds back the implementation of new approaches to the assurance of food safety. These problems are mainly related to the underdeveloped national economy and poor socio-economic status of the pop ...Более

Доклады конференции 2012 Mühendislik Fakültesi Strategies for Achieving Food Security in Central Asia44 ( 2 ) 75 Просмотры
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Modeling of simultaneous heat and mass transfer during convective oven ring cake baking

Coşkan ILICALI

The convective oven ring cake baking process was investigated experimentally and numerically as a simultaneous heat and mass transfer process. The mathematical model described previously by the authors for cup cake baking was modified to simulate ring cake baking. The heat and mass transfer mechanisms were defined by Fourier’s and Fick’s second laws, respectively. The implicit alternating direction finite difference technique was used for the numerical solution of the representative model. Prior to the utilization of the developed model in predicting the temperature and moisture profiles for r ...Более

Статья 2012 Mühendislik Fakültesi Journal of Food Engineering111 ( 2 ) 69 Просмотры
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A survey of concentration of aflatoxin M1 in dairy products marketed in Turkey

Zafer GÖNÜLALAN

The aim of this study was to examine the presence of aflatoxin M1 (AFM1) in dairy product samples by enzyme-linked immunosorbent assay (ELISA). Aflatoxin M1 were found in 135 (64%) out of 210 analyzed samples. Only 7% of dairy product samples were contaminated at levels above the legal limits. AFM1 was detected in 43 (86%) of milk samples (ranging from 1 to 30 ng/l), in 38 (63%) of cheese (ranging from 12 to 378 ng/kg), in 28 (56%) of yoghurt (ranging from 2.5 to 78 ng/kg) and in 26 (52%) of dairy dessert samples (ranging from 1.5 to 80 ng/kg). None of the raw milk samples contained levels abo ...Более

Статья 2011 Mühendislik Fakültesi Food Control22 ( 12 ) 20 Просмотры
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