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Non-traditional foods containing probiotic bacteria
Sobotková, Markéta ; Konečná, Jana (referee) ; Trachtová, Štěpánka (advisor)
Probiotic microorganisms are contained in common dairy products as well in unconventional probiotic products consumed especially in Asian countries. In the thesis is shown overview of chosen less common foodstuffs containing probiotic microorganisms, which no belong to fermented dairy products. In the thesis are discussed positive health benefits of probiotics foodstuffs on the host. The experimental part deals with the identification of probiotic microorganisms, which are contained in chosen probiotic product from Asia. DNA was isolated from the product by use phenol extraction and using magnetic particles. Probiotic microorganisms in chosen product were detected using method real-time polymerase chain reaction (qPCR).
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Nutritional and microbiological characterization of soya tempeh cheese
Sobotková, Markéta ; Vespalcová, Milena (referee) ; Němcová, Andrea (advisor)
Tempeh belongs to the fermented probiotic soybean products. Tempeh is a valuable nutritional foodstuff due to its rich source of protein, content of unsaturated fatty acids essential for human and high amount of antioxidants. The theoretical part describes nutritional composition of tempeh and soybeans. In the thesis are discussed positive and negative effects of soy on human health. In the thesis were followed up changes in the nutritional components caused by the fermentation process and the action of microorganisms. The experimental part deals with the identification of microorganisms, which are contained in three types of tempeh. Microorganisms were detected using method polymerase chain reaction. DNA was isolated from the products by use phenol extraction, using magnetic microparticles F-kol 77ox and magnetic nanoparticles F79/L3 PLL. As part of the nutritional analysis changes in individual nutrients and other substances in soybeans after tempeh fermentation have been studied. In the chosen products total content of essential nutrients – carbohydrates, lipids and proteins were analyzed. Amount of antioxidants such as phenolics and flavonoids were analysed by UV-VIS spectrophotometry. Determination of vitamin E content which was analysed by HPLC and determination presence of fatty acids which was determined by GC was incorporated to this thesis.
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Nutritional and microbiological characterization of soya tempeh cheese
Sobotková, Markéta ; Vespalcová, Milena (referee) ; Němcová, Andrea (advisor)
Tempeh belongs to the fermented probiotic soybean products. Tempeh is a valuable nutritional foodstuff due to its rich source of protein, content of unsaturated fatty acids essential for human and high amount of antioxidants. The theoretical part describes nutritional composition of tempeh and soybeans. In the thesis are discussed positive and negative effects of soy on human health. In the thesis were followed up changes in the nutritional components caused by the fermentation process and the action of microorganisms. The experimental part deals with the identification of microorganisms, which are contained in three types of tempeh. Microorganisms were detected using method polymerase chain reaction. DNA was isolated from the products by use phenol extraction, using magnetic microparticles F-kol 77ox and magnetic nanoparticles F79/L3 PLL. As part of the nutritional analysis changes in individual nutrients and other substances in soybeans after tempeh fermentation have been studied. In the chosen products total content of essential nutrients – carbohydrates, lipids and proteins were analyzed. Amount of antioxidants such as phenolics and flavonoids were analysed by UV-VIS spectrophotometry. Determination of vitamin E content which was analysed by HPLC and determination presence of fatty acids which was determined by GC was incorporated to this thesis.
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Non-traditional foods containing probiotic bacteria
Sobotková, Markéta ; Konečná, Jana (referee) ; Trachtová, Štěpánka (advisor)
Probiotic microorganisms are contained in common dairy products as well in unconventional probiotic products consumed especially in Asian countries. In the thesis is shown overview of chosen less common foodstuffs containing probiotic microorganisms, which no belong to fermented dairy products. In the thesis are discussed positive health benefits of probiotics foodstuffs on the host. The experimental part deals with the identification of probiotic microorganisms, which are contained in chosen probiotic product from Asia. DNA was isolated from the product by use phenol extraction and using magnetic particles. Probiotic microorganisms in chosen product were detected using method real-time polymerase chain reaction (qPCR).
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