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National Repository of Grey Literature 2 records found  Search took 0.01 seconds. 
Metody nanášení hydrogelů na povrch ovoce a zeleniny
 Hrabová, Martina
The aim of this thesis was to develop a methodology for applying biopolymer mixtures directly onto the surface of selected fresh foods, fruits and vegetables, and to evaluate the prospects of biopolymer mixtures based on egg white. The theoretical part of this thesis outlines the issue of the packaging industry and the causes of food spoilage. Furthermore, methods for the application of biopolymeric coatings and films on a laboratory scale are described and natural polymers are summarized. In the experimental part of the thesis, the most suitable coating mixture was selected regarding the evaluation of strawberry and cucumber samples’ coating made of different biopolymeric mixtures. For this coating mixture, the samples of fruit and vegetable were subjected to analysis by near infrared spectroscopy.
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Pests of greenhouse cucumbers and tomatoes - informative and educational database
 DOUL, Lukáš
Diploma work is based on constructing of electronic informative system about greenhouse growns damaging pests - growtheal vegetables, concretely forced on forwarding cucumbers and tomatoes. The aim of diploma work is to make out the given information system with division of pests according to kind of the growth, place of damage and integrated locator of pests based on their Czech or Latin title, eventually based on information about pests and bioagens. The system contains detailed information about individual pests, their bionomii, enlargement and protection, including the biological protection. A part of this informative system is a large number of photographs of individual pests, biological preparations or injured plants with apparent symptoms.
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