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	The effect of addition of nutritionally desirable ingredients on selected properties of fermented dairy products HONESOVÁ, Simona The aim of this Master's thesis was to determine appropriate plant antioxidants added to fermented milk products and analyse selected chemical and sensory properties. The literary part focuses on yoghurts, their enrichment and the effects of plant antioxidants. The experimental part dealt with the analysis of selected indicators of fruits and jams made of them and the analysis of selected indicators of plain yoghurts and flavoured yoghurts. Detailed record
	The effect of nutritionally desirable ingredients on selected sensory properties of dairy products HRADILOVÁ, Kristina The aim of this Master's thesis was to assess the chemical composition and selected properties of cheeses and yogurts, to which various amounts of skimmed milk powder (SMP) were added. The literature review discusses the characteristics and division of cheeses and yogurts, their nutritional significance, rheology and its changes after the addition of proteins. In the experimental part of the thesis, the chemical composition of yogurts and cheeses was determined by spectrophotometry. Further, other laboratory methods were used to determine their acidity, viscosity, colour and hardness. Our research has shown that there are correlations between SMP content and the protein, fat, lactose and dry matter in yogurts and cheeses, between SMP content and the hardness, acidity and colour of cheeses, and between SMP content and the acidity and viscosity of yogurts. The results of this work enable determining the ideal amount of SMP to cheeses and yogurts in order to improve their nutritional and sensory properties. Detailed record
	Viscosity and acidity of selected type of natural yoghur BÁRTOVÁ, Zuzana The aim of the thesis was to evaluate the acidity and viscosity of natural yoghurt depending on the different addition of skimmed milk powder and using of the methods of sensory analysis to evaluate the perception of these properties by young consumers. Part of this work was to analyse acidity and viscozity in selected kinds of natural yoghurts purchased in the market network of the Czech Republic (CR). The literature search mentions basic characteristic of yoghurts and their classification, acidity and rheological properities of yoghurts including the factors, which affect them and sensory analysis. In the experimental part of the study the acidity value, total solids and viscosity measurements were detected by physico-chemical analyses of samples of natural yoghurts. At samples of yoghurts with different content of skimmed milk powder the sensory evaluation was also subjected and the graphs of sensory profile were compiled. The observed results showed, that from the samples of yoghurts made in the laboratory was the most satisfactory sample containing 10 % of skimmed milk powder. At samples purchased in the market network of CR were detected very low leveles of titratable acidity. Detailed record

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