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National Repository of Grey Literature 12 records found  previous11 - 12  jump to record: Search took 0.01 seconds. 
Self-Evaluation Methods for analyzing the Equipment in Primary Schools
 Voldřich, Michal ; Černíková, Helena (advisor) ; Lišková, Helena (referee)
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The influence of tomato ketchupes production technology on retention of nutritionally significance ingredients
 Smolka, Bronislav ; Voldřich, Michal (referee) ; Ing.Helena Čížková, Ph.D. (advisor)
The work was focused on the verification of influence of quality of raw material and time-temperature conditions on the retention of nutritionally and sensory important components of the ketchups and other tomato based products. The goal of the theoretical part of this diploma thesis was the optimization of procedure of Czech tomato cultivar selection according to the highest refraction and intensive red colour. The influence of tomato ketchups production technology on retention of nutritionally significant ingredients was observed within the practical part. The samples of ketchups were sampled during different steps of production within one batch in company OTMA Sloko Mařatice. It was ketchup which was preserved by pasteurization in the glass bottle and ketchup which was preserved by hot filing to the plastic bottles. The content of lycopene, ascorbic acid, colour, viscosity, refraction and pH were measured in those samples. Furosine had been chosen as marker of thermal stress on material. The technologies can be compared on the basic of measured values from the view of retention or changes of nutritionally and sensory important components.
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National Repository of Grey Literature : 12 records found   previous11 - 12  jump to record:
See also: similar author names
5 VOLDŘICH, Martin
5 Voldřich, Martin
3 Voldřich, Matouš
1 Voldřich, Matěj
1 Voldřich, Milan
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