1. 1 Department of Pharmaceutical Technology Pharmacognosy and Botany , University of Veterinary Medicine and Pharmacy , Košice , Slovak Republic
2. 2 Institute of Chemistry , Faculty of Science P. J. Šafárik University , Košice , Slovak Republic
3. 3 Department of Microbiology and Immunology University of Veterinary Medicine and Pharmacy Košice , Slovak Republic
4. 4 Clinic of Ruminants of the University of Veterinary Medicine and Pharmacy , Košice , Slovak Republic
5. 5 Department of Chemistry, Biochemistry and Biophysics , University of Veterinary Medicine and Pharmacy , Košice , Slovak Republic
6. 6 Department of Botany , Institute of Biology and Ecology, Faculty of Science , P. J. Šafárik University Košice , Slovak Republic