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Conducted research pertains to technologies of animal products processing and the development of biotechnological methods for stabilizing microbial and enzymatic biological leaven for meat.Materials and Methods. The studies were conducted in the conditions of the Research Institute of Food and Animal Processing Technologies and Laboratory of Microbiological Research Methods, Department of Microbiology of Bila Tserkva National Agrarian University. Moisture retaining capacity and bacterial contamination of beef and pork were determined.Results. The effect of processing raw meat with lactic acid product – yogurt on the moisture retaining capacity was experimentally established. With the highest titratable acidity of yoghurt of 100-110 °T, the moisture retaining capacity of pork and beef was inferior to control on 2.13 and 1.29 % and amounted to 51.88 and 62.73 %. Under a titratable acidity of lactic acid beverage of 100-110 °T with total number of lactic acid bacteria on the surface of raw meat, it was 8.1×108 and 8.5×108, which prevailed samples with acidity level of 60-70 °T on 24.5 and 24.3 %.Conclusions. The results of studies have revealed the effect of processing raw meat by yogurt with different titratable acidity on moisture retaining capacity and bacterial contamination.

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