| Popis: |
This graduation theses deals with the cultivation, processing, preparation of tea and the chemical composition of tea leaves in the theoretical part. Furthermore deals with the synthesis of biologically active substances in plant materials and their conversion from the preparation of tea to the transformation in the human organism after its consumption. It also briefly summarizes and defines the issues of free radicals and antioxidants as part of their functioning in the human body, and then attempts to objectively summarize their main pharmacological effects. The practical part, focused on the determination of phenolic substances and the total antioxidant capacity of selected green and black teas, is supplemented by their sensory analysis. |
