National Repository of Grey Literature 134 records found  1 - 10nextend  jump to record: Search took 0.00 seconds. 
Automatic evaluation of fermentation degree of cocoa beans
Sedlmajer, Jakub ; Kůdela, Jakub (referee) ; Škrabánek, Pavel (advisor)
Standardní metodou zjištění výsledné kvality fermentace kakaových semen je tzv. cut-test. Při tomto testu je kakaové semeno rozříznuto na 2 poloviny, a následně je posouzeno vysoce kvalifikovaným odborníkem. Vzhledem k obrovským objemům zpracovávaného kakaa je automatizace tohoto procesu pomocí strojového vidění nevyhnutelná. Tato práce se zabývá návrhem a vytvořením softwarových nástrojů, které to efektivně umožní.
Technologické možnosti výroby nealkoholických nápojů s využitím pivovarských surovin
Langová, Markéta
The range of beverages is constantly expanding with new sensory attractive products with health benefits. Such products are increasingly accompanied by beverages resulting from the fermentation of non-dairy substrates, and various groups of bacteria or yeasts can be used to ferment fruit and vegetable juices. This work focuses on the possibility of using such microorganisms, brewing and non-traditional raw materials in the production of new beverages. In the practical part, the sensory properties of beverages and the content of some components in connection with the used culture of microorganisms were evaluated. The results of analyzes of fermented beverages were compared with non-fermented beverages and at the same time the work shows that kombucha, lactic acid bacteria and water kefir culture are able to ferment non-dairy substrates, even with the content of hop compounds.
Srovnání pivovarských a vinných kmenů kvasinek v různých fermentačních podmínkách
Ryšavý, Daniel
The thesis on the topic Comparison of brewer’ and wine’ yeast strains in various fermentation conditions has been prepared at the Department of Postharvest Technology of Horticultural Products at the Faculty of Horticulture, Mendel University in Brno in 2019/2020. The thesis deals with the taxonomy and the properties of yeasts and their useage and focuses mainly on brewer's and wine yeast strains. In the practical part, the analytical parameters of wort fermented by selected brewer's and wine yeast strains have been evaluated and compared. By these yeasts their influence on the sensory quality of the produced beer has also been evaluated.
Sledování fermentability sladin u vybraných druhů sladů
Zárubová, Emílie
In my diploma thesis on the topic “Monitoring the fermentability of worts for selected types of malt” has been processed information on the fermentabilitity of worts, the degree of fermentation, extractive substances and the factors that affect them. Furthermore, the thesis processes themes, which deals with malt, its production, requirements for malt and especially types of malt. Information is included not only conventional barley malt, but also on some less common types of malt. The first half of the diploma thesis processed this information on a theoretical level. The second half of the diploma thesis is focused on experimental activites related to the production of malts, worts and subsequent fermentation of the worts. For the production of the worts were used barley, wheat, oat, rye, corn and millet malt. The amount of extractives before fermentation, after fermentation and the amount of alcohol were determined for individual worts. Based on the difference between the extract before fermentation and after fermentation, the fermentability of worts produced from individual types of malts was determined. The results obtained are compared with those already known and with those obtained with conventional barley malt. According to the results, wort made from wheat malt shows the best fermentability. Wort made from barley malt shows the second best fermentability. Furthermore follow rye wort, oat wort, wort made from millet malt and the wort from corn malt shows the worst fermentability.
Preference of fermented dairy products in selected groups of consumers
The aim of the diploma thesis was to assess the influence of selected demographic factors on the preferences of fermented dairy products. For this purpose, a question-naire survey was created, which was attended by 278 respondents (128 men and 150 women). The questionnaire survey revealed that the most frequently consumed prod-ucts are semi-hard and natural cheeses and yoghurts, while the most popular yoghurt is classic white yoghurt with more than 3% fat. The group of older respondents pre-ferred semi-fat cheeses, while the fatness of the cheeses was not essential for the group of younger respondents. The most preferred dairy company was Madeta (50% of respondents). When choosing a product, consumers were most often influenced by price and flavour, while the price influenced more men, and the flavour influenced more women. The results of the diploma thesis can be beneficial for better infor-mation about the frequency of consumption and preference of fermented dairy prod-ucts among Czech consumers.

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