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Постійне посилання колекціїhttps://dspace.nuft.edu.ua/handle/123456789/7522
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Документ The research of the amount of heavy metals and nitroso compounds in concеntrated tomato products(2016) Shutyuk, Vitaliy; Vasylenko, Sergei; Bessarab, Alexander; Benderska (Dushchak), OlgaThe constant selling race results in need for improving the quality of nutrition products among in-house food and pharmaceutical processing industries, which is an all-important key to success on the consumer market. This requires constant improvement of the product producing technologies. The topical problem of quality is the presence of heavy metals and nitroso compounds in the products. The topical problem of quality is the presence of heavy metals and nitroso compounds in the products. The research aimed at studying the changes in the heavy metal concentration levels (including Zn, Cu, Pb) in tomato products at their thickening has been conducted at the national University of Food Technologies.Документ Analysis of variants of solid fuel production from sugar industry waste and conditions needed for its burning(2015) Shutyuk, Vitaliy; Vasylenko, Tatiana; Bessarab, Alexander; Samiilenko, SerhiiThe use of alternative fuel and energy resources should be considered as the strategic approach to solving energy issues of Ukraine’s economy. Currently the potential capabilities of growing sugar beet in Ukraine are twice as good as the need for sugar production support. On a total mass basis the major part of solid waste of sugar industry (up to 75…83 % in relation to the mass of processed sugar beet) accrues to pulp. Currently the most of pulp is not used and has to be taken to stockpiles or fields before the start of the new sugar campaign. Potentially, the amount of pulp which can be used for energy needs takes up 4,5…5 million tons per year, or in conversion to dry basis - 330…370 thousand tons. There are two possible ways of its use: use of dried pulp as secondary fuel and direct firing of pressed pulp.Документ Analysis of the process of formation of N-nitrosodimethylamine in brewer’s malt(2014) Shutyuk, Vitaliy; Bessarab, Alexander; Haralanova, Temenuzhka; Vasylenko, SergeiThe article deals with the issues of carcinogenic substances formation in the manufacture of beer. It is shown that the basic technological process, that influences the N-NDMA accumulation in beer, is brewer's malt drying. The determining factor, influencing the N-NDMA content in malt, is the concentration of nitrogen dioxide at the entrance to malt layer. In the course of research, drying conditions typical for dryers of «Latvian Academy of Agriculture» type, one-deck dryers and apparatuses on malt manufacturing in combined way were secured. The measuring of nitric oxides was carried out by the means of gas- analyzer of 645 HL 20 type, the principle of operation of which is based on chemiluminescent method of determination of nitric oxide. More intensive absorption of nitrogen dioxide were observed during the first stage (constant speed) of drying due to the large number of free moisture presence in malt – a good nitrogen dioxide absorbent. The concentration of nitrogen dioxide in the drying agent has the greatest impact on intensification of N-NDMA formation processes in malt, that is recorded in all experiments. That is why in order to achieve guaranteed quality of the product, one should establish the limit of concentration of NDMA in malt equaling 15 mcg/kg. Drying of malt with drying agent with concentration of nitric dioxide up to 0,4 mg/m3 guarantees concentration of NDMA lower than this limit. This concentration should be limiting in the field of development of modern heating vent systems.Документ Ways of reducing nitrogen oxides in the drying agent to Improve beet pulp quality(2014) Shutyuk, Vitaliy; Bessarab, Alexander; Vasylenko, SergeiThe article deals with the analysis of nitrogen oxides NOx formation in the agent for beet pulp during combustion process of various fuels. Various methods of reducing the nitrogen oxides concentration, formed in the fuel combustion conditions at high temperatures, are given. It is established that the output of nitrogen oxides during gas combustion is mainly determined by the maximum temperature of the combustion products and their rate of cooling. It is shown that the nitrogen oxides toxicity determines the overall level of toxicity of combustion products of coal and fuel oil on 40...60 % and 92…98 % of natural gas. Radical method to eliminate NOx is a noncontact method of preparation of the drying agent.Документ Innovative solutions to research in drying technology of food raw materials(2013) Shutyuk, Vitaliy; Vasylenko, Sergei; Bessarab, Alexander; Vasyliv, VolodymyrReasons over of growing interest are brought in the processes of drying, and also some aspects of co-operation of industry and scientific university collectives in embodiment and application. The tendencies of research of processes of drying, that appear on the joint of different areas of science with the use of forward possibilities of technical process, are examined.Наведено причини зростаючого інтересу до процесів сушіння, а також деякі аспекти взаємодії промисловості й наукових університетських колективів у втіленні та застосуванні. Розглядаються тенденції дослідження процесів сушіння, що з'являються на стику різних галузей науки з використанням поступальних можливостей технічного процесу.Документ The formation of carcinogenic compounds in soluble powder of jerusalem artichoke(Nauka i studia, 2013) Shutyuk, Vitaliy; Bessarab, Alexander; Vasylenko, SergeiThe extraordinary problem of production of quality foodstuffs is that they have various harmful substances, heavy metals and radionuclides. The most dangerous things for human health are cancerogenic substances which contained in negligible concentrations in foodstuffs and cause malignant formations in organism. One of the most dangerous carcinogen is N – nitrozodymetylamin wich is formed during formation amine groups under the influence of temperature. This paper presents the results of researches to determine the formation of N – nitrozodymetylamin during receiving powdered extract of Jerusalem artichoke.