Antioxidanty v bylinných čajích

This bachelor's thesis "Antioxidants in Herbal Teas" brings a summary of substances with antioxidant properties contained in herbs used for production of herbal teas. The basic terms, e.g. oxidative stress, antioxidant, or free radical, are explained first. The individual groups of plant antioxidants (flavonoids, phenolic acids, terpenoids, chlorophylls etc.) are described in terms of their chemical structure and occurrence. There is also a brief introduction to methods for determining antioxidant activity (DPPH, TEAC, FRAP etc.). The next section focuses on the parts of plants used for production of herbal teas, tea preparation methods and characterization of selected herbs concerning their components with antioxidant effects. The final part of the thesis deals with the importance of antioxidants for human health in relation to particular diseases (cancer, cardiovascular and neurodegenerative diseases etc.)