1. Institute of Food Technology; Faculty of Agriculture and Biotechnology; University of Science and Technology; Bydgoszcz Poland
2. Department of Land Reclamation and Agrometeorology; Faculty of Agriculture and Biotechnology; University of Science and Technology; Bydgoszcz Poland
3. Quality of Plant Products, Department of Crop Sciences, Faculty of Agricultural Sciences; Georg-August University of Göttingen; Göttingen Germany