Vliv receptury na kvalitu čokoládových výrobků v průběhu jejich skladování

The thesis deals with technology of production of chocolate. There are described different technological processing steps of the cocoa beans, such as fermentation, drying and roasting and grinding. There are also characterized by the manufacturing steps of chocolate by mixing, via rolling, conching and tempering. The study also discusses influences on the shelf life, mainly due to the composition. There is a brief description of cacao, using raw materials for the production of chocolate and defects that may vary with chocolate and chocolate products occur. In the practical part of the diploma thesis, samples of retemperated and unretemperated milk and bitter chocolate were stored for 3 months and then sensory analysis and texture measurements were made. The sensory analysis was performed before and after the storage of the samples. In conclusion, the effect of the composition on the shelf life was evaluated, an option designed to improve the stability and shelf life of chocolate and chocolate products