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Monitoring imidazolů ve vybraných druzích nápojů
 Procházková, Martina
The diploma thesis deals with monitoring imidazoles in selected types of beverages. The aim is to detect imidazoles in drinks by High Performance Liquid Chromatography with the use of Mass Spectrometry (HPLC-MS/MS). The coumpounds that were detected are 2-Methylimidazole, 4-Methylimidazole and 2-Acetyl-4(5)-(1,2,3,4-tetrahydroxybutyl)-imidazole. The theoretical part concerns the origin of imidazoles, its occurrence and influence on human health. There is also a brief introduction to technology of production of beverages containing imidazoles. The practical part statistically compares imidazoles concentration amongst separated types of dark beers, cola beverages, coffee beans and instant coffees. The end of the thesis focuses on determining a dependency of imidazoles on roast time in Ethiopia coffee beans.
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