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Probiotics and their importance in human nutrition
Formanová, Kristýna ; Vítová, Eva (referee) ; Vránová, Dana (advisor)
A great deal of immune system is located in the colon thanks to a large number of microbs that influence not only digestive tract of a human. The contact of these microbs with the digestive tract of a human is very important for other development of immune defensive mechanisms and the natural immune response, which supports health of a host. That is why in recent years a great deal of attention and efforts have been paid to possibility of human health status improving by a modulation of the intestinal microflora. As probiotics are indicated living microorganisms, that can have positive effects on human health and some species, for example Saccharomyces boulardii, have positive effects in prevention and treatment of many diseases associated with diarrhea. The company Valosun a.s. has provided for testing the probiotic food supplement which is suitable in acute diarrheal disorders. This product has been tried by patients of gastroenterology ambulance. The aim of sociological survey was to map knowledge of respondents in the field of probiotics and probiotic food supplements.
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The possibilities of the assessment of aroma active compounds in elderberry juice
Kolibačová, Silvie ; Vránová, Dana (referee) ; Vítová, Eva (advisor)
This bachelor thesis is a literature research, which deals with the characteristics of black elderberry, its occurrence, types and how to use it particularly in medicine and food industry. The next section describes the production of fruit juices and methodologies for the determination of aromatic compounds in elderflower juice, which were selected for future measurements. This is the method solid phase microextraction (SPME) and gas chromatography (GC). Almost a hundred different volatile compounds are given in the literature, which are located in different cultures of elderberry and their presence and quantity are dependent not only on the culture, but also on the season, the environment and the method that was used for extraction and determination of aromatic compounds.
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The stum and its utilize
Drobilová, Marcela ; Vítová, Eva (referee) ; Vránová, Dana (advisor)
In a bachelor's thesis are described characteristics of wine texture, wine grapes and stum like a natural products that have a beneficial health influence. In this thesis is briefly described a technology of processing of wine grapes too. The bachelor's thesis is concentrated on the possibility of the use of stum and making products for wholesome nourishment. It is effective in its use with a combination of elderberry juice. A practical part has been made an acceptable testing procedure of taste, with various concentrations of each ingredient (stum and elderberry juice), being used in order to chose an appropriate option of product that will have a healthy beneficial influence.
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Lactic acid bacteria and their utilization
Jiříková, Ivana ; Vránová, Dana (referee) ; Babák, Libor (advisor)
This bachelor thesis is aimed at the study of lactic acid bacteria. Within the frame of this thesis I have performed a literature research into findings about these bacteria. The first section is focused on the general bacteria identification and division into separate genus groups. It also describes the cytology, metabolism and industrial use of milk fermentation bacteria.
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Comparison of pasta manufactoring in Europe and Asia
Píšťková, Magdalena ; Vránová, Dana (referee) ; Vespalcová, Milena (advisor)
This bachelor thesis deals with differences between manufacturing technologies of European and Asian noodles. First part concentrates on wheat as a basic raw material for noodle production. Structure and chemical composition of wheat grain, growing conditions, Triticum durum are described. Next part considers wheat flour, the most important product made of wheat, its manufacturing, storage, defects, and kinds. Semolina made of Triticum durum wheat is mentioned. In more detail it concentrates on classification and manufacturing technology of pastes booth in Europe and Asia. Further it considers other raw materials used and also additives that are used in order to improve nutritional value, color, and taste of final products. In conclusion there is a summary of differences among raw material and the additives used in pasta and noodle production. Lastly the manufacturing technology comparison of European pastes and Asian noodles is done.
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Importance of probiotics in child's nutrition
Augustová, Kamila ; Vítová, Eva (referee) ; Vránová, Dana (advisor)
With great advances in science, medicine and knowledge of a man at the high level of treatment. However, even today the humanity seeking to return to its roots - the nature and use it to maintain its good health. The term probiotics is meant by living organisms that are capable of resettling in the human intestine and have a positive impact on maintaining healthy intestinal microorganisms, which also reflected the positive effects on human health in general. Company Valosun a.s. provided for testing probiotický food supplement for children, which was tested mothers with children preschool age and pregnant. The aim of our sociological survey was to determine what is the awareness of the issue of probiotics in this group, the perception of the queried the availability of probiotics and what are the most common reasons for their use.
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Relation of body activities on composition of the human body
Frechová, Vendula ; Zemanová, Jana (referee) ; Vránová, Dana (advisor)
This bachelor thesis deal with relationship between physical activities and constitution of a human body. The first theoretic part is focused on components of foodstuff which are important for human nutrition, energy metabolism and different types of movement activity. The particular components of a human body such as body water, active body mass and body fat are described in the next part of the thesis. Diagnostic methods of human body’s constitution are mentioned in the last part. An analysis of a body constitution has a task to diagnose body components quantitatively and therefore provides main information about fitness. The practical part of the thesis contains influence of physical activity on body constitution, which was tested on the first group of people, and a study of eating manners of the second group of people.
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Infection of salmonelosis, their source and diagnosis.
Valkus, Martin ; Veselá, Mária (referee) ; Vránová, Dana (advisor)
This bachelor‘s thesis deals with infection of salmonelosis, it’s source, prevention and diagnosis. Theoretical part includes general information about Salmonella species and its morphology. It describes pathogenesis, source of infection, clinical symptoms, treatment and diet recommendations. It analyzes statistics of number of infection occurrences in Czech Republic. It also deals with prevention of infection origin on schools, population foreknowledge and climatic effects. Experimental part of this thesis contains description of optimization procedure of identification Enterobacteriaceae by adjusting of pH of prepared medium MIU.
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Influence of elevated carbon dioxide concentration on the quality of wheat flour
Zítková, Jana ; Vránová, Dana (referee) ; Hrstka, Miroslav (advisor)
This work treats of influence of carbon dioxide increased concentration on wheat yield and quality of wheat grains and flour. It focuses above all on total content nitrogenous substances in flour, content of proteins, gluten and bake charackteristics. Generally, increased carbon dioxide concentrations cause an increase of wheat yield and decrease of total content of nitrogenous substances. Gluten content is lower and that is why the bake properties are worse too.
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Elderberry juice, characteristics and possibilities its utilize.
Forejtarová, Darina ; Vespalcová, Milena (referee) ; Vránová, Dana (advisor)
Subject this bachelor´s thesis is elderberry juice, its characteristics and possibilities its utilize. At the first part of the theory is described elderberry, its species and chemical structure. There are mentioned the possibilities process of elderberry, including of producing fruit juices. The possibilities of utilize elderberry in medicine are outlined at the latter part of the theory and there are described microorganisms, whose contaminate could reach devaluation of elderberry juice, which can be used in the products health nutrition. Next there is described method whose help determined mineral elements in elderberry juice. The experimental part consinder of determination of microbial purity and the determination of quantity mineral elements in elderberry juice.
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