1. University of Debrecen, Faculty of Agricultural and Food Sciences and Environmental Management, Institute of Food Science
2. University of the Free State, Faculty of Natural Science, Department of Plant Sciences, Bloemfontein, South Africa
3. Department of Plant Nutrition, Faculty of Agriculture, University of Zagreb, Zagreb, Croatia
4. University of Debrecen, Faculty of Agricultural and Food Sciences and Environmental Management, Institute of Food Science, Debrecen, Hungary