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National Repository of Grey Literature 3 records found  Search took 0.00 seconds. 
The control of Toma orange juice authenticity on the basis of selected chemical properties
 Cvrková, Jana ; Vítová, Eva (referee) ; Hrstka, Miroslav (advisor)
This study verifies Toma orange juice authenticity on the basis of selected chemical properties. In the theoretical part are definitions of the basic concepts concerning the orange juice. This part is also focused on characterization of technology procedures of orange juices, historical development of legislation in the European Union and Czech Republic, the most frequent ways of adulteration of fruit juices and methods, which determine their authenticity. In experimental part were made determinate analyses of orange juice Toma and experimental results were compared with standard values. On this basis it was deduced a conclusion about authenticity of orange juice Toma from commercial network.
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The control of Tesco orange juice authenticity on the basis of selected chemical properties
 Belková, Renáta ; Šalplachta, Jan (referee) ; Hrstka, Miroslav (advisor)
This study deals with verifying the Tesco orange juice authenticity, on the basis of selected chemical parameters. In the theoretical part there is orange juice defined according to actual standards, described its production and the legislation in EU and in the Czech Republic. There are next mentioned the basic practices of adulteration of orange juice and possibilities of its detection and some analytical methods for verifying the orange juice authenticity. In the experimental part of the study there was the authenticity of the sample of orange juice Tesco from the trade network tested with some standard analytical methods. Regarding to the results of the analysis, which were within the limits of the standard values, the conclusion can be written that analysed sample of the orange juice was authentic.
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The control of DIZZY orange juice authenticity on the basis of selected chemical properties
 Drahovzalová, Kateřina ; Babák, Libor (referee) ; Hrstka, Miroslav (advisor)
This study deals DIZZY orange juice authenticity on the basis of selected chemical properties. The theoretical part is focused on the basic terms concerning the orange juice, legislation in the EU, legislation in the Czech Republic and methods, which determine the authenticity of orange juices. In experimental part I made selected analytical methods to determine the authenticity of DIZZY orange juice. The results showed that DIZZY orange juice was authentic.
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