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Detection of probiotic bacteria in milk diary food products using PCR technique
 Krempaská, Vladimíra ; Fialová, Lenka (oponent) ; Smetana, Jan (vedoucí práce)
Probiotic bacteria play an important role in a healthy lifestyle. They help the consumer maintain the balance of intestinal microflora and prevent the overgrowth of harmful bacteria. Accurate identification and characterization of these probiotic strains is essential for research and the food industry. For exact identification, the use of molecular biological methods is necessary, thanks to which it is possible to validate probiotic products for commercial use. In this bachelor thesis, the DNA of probiotic bacteria was isolated from available dairy products. Two methods of isolation were used to isolate bacterial DNA, both of them provided sufficiently concentrated and high-quality DNA for further analysis by polymerase chain reaction (PCR). The presence of the Bacteria domain, genera Lactobacillus and Bifidobacterium were proved. Finally, the presence of Lactobacillus acidophilus species was also detected in the products.
Úplný záznam
Detection of probiotic bacteria in milk diary food products using PCR technique
 Krempaská, Vladimíra ; Fialová, Lenka (oponent) ; Smetana, Jan (vedoucí práce)
Probiotic bacteria play an important role in a healthy lifestyle. They help the consumer maintain the balance of intestinal microflora and prevent the overgrowth of harmful bacteria. Accurate identification and characterization of these probiotic strains is essential for research and the food industry. For exact identification, the use of molecular biological methods is necessary, thanks to which it is possible to validate probiotic products for commercial use. In this bachelor thesis, the DNA of probiotic bacteria was isolated from available dairy products. Two methods of isolation were used to isolate bacterial DNA, both of them provided sufficiently concentrated and high-quality DNA for further analysis by polymerase chain reaction (PCR). The presence of the Bacteria domain, genera Lactobacillus and Bifidobacterium were proved. Finally, the presence of Lactobacillus acidophilus species was also detected in the products.
Úplný záznam

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