1. Department of Crop Sciences and Agroforestry, Faculty of Tropical AgriSciences, Food and Natural Resources, Czech University of Life Sciences Prague, Kamycka 129, Prague 6, 165 21, Czech Republic
2. Department of Microbiology, Nutrition and Dietetics, Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences Prague, Kamycka 129, Prague 6, 165 21, Czech Republic
3. Institute of Organic Chemistry and Biochemistry, Academy of Sciences of the Czech Republic, Flemingovo n. 2, 166 10 Prague 6, Czech Republic
4. Centre for Biomolecular Sciences, School of Pharmacy, University of Nottingham, University Park, Nottingham NG7 2RD, UK
5. Department of Chemistry of Natural Compounds, Institute of Chemical Technology Prague, Technicka 5, 166 28 Prague 6, Czech Republic