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Reologické vlastnosti bílých jogurtů
 Fabianová, Jana
Diploma thesis in its theoretical part solves the problems of the milk assortment of dairy products, especially yogurt. It splits yogurt to the different types describing their production and chemical and physical properties. It is followed by a chapter devoted to the physical characteristics of foods, as well as their rheological properties, specifically viscosity. The practical part deals with the rheological properties of specific samples of commercially available yogurt. For these seven samples was determined by the density and the viscosity and shear stress versus shear rate. To assemble the flow and viscosity curves were used Ostwald-de Waeleho model, thanks to him, it was subsequently decided what kind of fluid as, Newton viscosity law, in the case of yogurt is. For the samples was determined as well as the time and temperature dependence of viscosity. Selected samples were analyzed fat content, which can be compared with data on the packaging of the sample.
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