Testování antimikrobiální aktivity obalových materiálů s rostlinnými extrakty proti E. coli a koliformním bakteriím

This dissertation deals with evaluation and testing of food packiging materials antimicrobial aktivity that contain plant extracts and help in the fight against Eschericia coli and other coliform bacteria. This dissertation is divided into several parts. The first half of the work contains a literature review publishing about packaging materials containing plant extracts. It is also focused on literature review on the coliform bacteria, especially Escherichia coli genus, describes these microorganisms and their metabolic products, the effects of metabolic products which may negatively affect human health. Another part deals with measures to prevent undesirable microorganisms. The second half of the work has been engaged in actual testing of packaging materials containing plant extracts on relevant model organisms or directly on food. Data, acquired by testing are processed, compared with the figures in the available literatures and are listed at the end of work