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Obohacování nápojů přídavkem antioxidantů
Šulganová, Simona
The Diploma thesis deals with the topic enrichment of beverages by additional antioxidants and has been processed at the Faculty of Horticulture, Mendel University in the Institute of Post-Harvest Technology of Horticultural Products. The thesis is divided into theoretical and practical part. In the theoretical part there are described antioxidants, free radicals, antioxidant capacity, means of antioxidant measurement in food, beverages containing antioxidants like fruit juice, tea, wine, and beer. There is also described chemical structure of food. Practical part deals with measurement of antioxidant capacity by DPPH and FRAP method and volume of polyphenolic substance in distillery samples with extracted oak wood dried by several temperatures and comparison of these samples with the commercial sample, subsequently sensory analysis of these mentioned samples. From results it´s obvious that distilleries can be enriched by additional wood especially by wood dried by 175 °C. Sensory analysis has proved that enrichment of the distillery by oak chips can significantly improve it´s quality.
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Srovnání právních požadavků na výrobu ovocných destilátů ve vybraných státech EU
Šulganová, Simona
The Bachelor's thesis "Comparison of legal requirements in fruit distillate production in selected states of EU"was written in Lednice on Department of Post-Harvest Technology of Horticultural Products in Faculty of horticulture at Mendel University in Brno in 2014. The first part describes all steps needed for fruit spirit production, such as fruit selection, process of fermentation, releasing substances during the alcoholic fermentation, kvass preparation, microorganisms in distillate production, distillation and quality flaws in fruit distillates. Second part is focused on legislative requirements in fruit distillate production, where there is rightful regulation of European Union for all member states and also summary of spirit production and fruit distillates in Czech Republic. Furthermore there are compared legislature requirements on fruit spirit production between two neighbouring states which is Austria and Slovakia. There are compared differences in distillation laws and consumption taxes. The last part deals with consumption taxes for distillery in all European states.
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