1. Department of Food Analysis, Prof. Waclaw Dabrowski Institute of Agricultural and Food Biotechnology, Rakowiecka 36, 02-532 Warsaw, Poland.
2. Institute of Soil Science and Plant Cultivation – State Research Institute, Department of Cereal Crop Production, Czartoryskich 8, 24-100 Pulawy, Poland.
3. Department of Chemistry, Poznan University of Life Sciences, Wojska Polskiego 75, 60-625 Poznan, Poland.