1. Department of Food Technology with Biotechnology, Faculty of Agriculture and Veterinary, University of Prishtina “Hasan Prishtina”, 10000 Prishtina, Kosovo
2. Faculty of Chemistry and Chemical Technology, University of Ljubljana, Večna Pot 113, 1000 Ljubljana, Slovenia
3. Department for Agrochemistry and Brewing, Slovenian Institute of Hop Research and Brewing, 3310 Zalec, Slovenia