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Obsahové látky jedlých květů a jejich antioxidační aktivita
Tvrzníková, Eliška
This diploma thesis deals with phytochemicals with antioxidant effect in edible flowers. In the literary section are described edible flowers, antioxidants and substances harmful to human health. In the selected assortment is described the morphology of the flower, the origin, the distribution, the occurrence, the demands, the use and the multiplication according to whether they are species growing in the wild or cultivated species are described. In the practical part, flowers were harvested from March to May 2017 and their content was determined - vitamin C, flavonoids, phenols, saponins, antioxidants. This thesis confirmed that phenolic substances are primarily responsible for the antioxidant capacity. The highest antioxidant capacity along with phenolic substances was in the flowers of Bergenia ciliata.
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Obsah flavonoidů a dalších antioxidantů v jedlých květech
Tvrzníková, Eliška
This thesis deals with the characteristics of edible flowers, their possible of usage in gastronomy, assortment, potential risk associated with consumption, contained substances and antioxidant activity. In this paper there are twenty-two plants of edible flowers and this paper describes their origin, distribution, botanical description and contained substances, especially substances with antioxidant activity. There are described occurrence for collected species and brief description of cultivation for cultivated plants. There are described occurrence for collected species and brief description of cultivation for cultivated plants. There is also description of individual contained substances (primary and secondary metabolites, vitamins and minerals), their importance and influence on the human body and healing effect on human organism. In chapter Antioxidants there is description of their importance to health, function and methods of determination.
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