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	Determination of probiotic bacteria in selected fermented milk products KORANDOVÁ, Květa The aim of the thesis was to monitor presence of probiotic microorganisms in representative fermented dairy products. Three samples of white yoghurt available in the market, in which the manufacturer declared presence of bifidobacteria, were chosen for determination of strains of Lactobacillus delbrueckii ssp. bulgaricus, Streptococcus salivarius ssp. thermophilus and the genus of Bifidobacterium. Bibliographic research deals with explanation of the wider context of probiotic microorganisms and the process of fermentation, fermented dairy products and in particular of yoghurt as one type of fermented dairy products. In the experimental part, the thesis focusses on evaluation of microbiological analyses and pH of selected yoghurts in relation to the samples and storage time. The results show that the number of live bacteria of Lactobacillus delbrueckii ssp. bulgaricus and Streptococcus salivarius ssp. thermophilus strains complied with the statutory requirements, while the number of bacteria of Bifidobacterium genus could have been affected by various factors which caused that according to the results of the work, certain samples lacked the sufficient numbers of these bacteria. Detailed record
	Laktátové a probiotické bakterie fermentovaných mléčných výrobků a jejich vliv na gastrointestinální trakt člověka Fukačová, Ludmila Detailed record
	Probiotic bacteria in dairy products KORANDOVÁ, Květa Probiotic microorganisms are live organisms that facilitate optimal composition of intestinal flora. The thesis deals with the positive influence of probiotic microorganisms on human health. It describes the most frequently used bacteria family, which includes Lactobacillus, Lactococcus, Streptococcus and Bifidobacterium. The thesis also deals with health, microbiologic and technological requirements necessary for probiotic effectiveness. It offers an overview of characteristics of products containing probiotic microorganisms, which include pharmaceuticals and selected functional food. In the food group, the thesis particularly focuses on fermented milk products. Detailed record

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