1. Dept. of Food Service and Catering; Poznań Univ. of Life Sciences; Wojska Polskiego 31 60-624 Poznań Poland
2. Inst. of Food Technology of Plant Origin; Poznań Univ. of Life Sciences; Wojska Polskiego 31 60-624 Poznań Poland
3. Dept. of Pediatric Gastroenterology and Metabolic Diseases; Poznan Univ. of Medical Sciences; Szpitalna 33/27 60-572 Poznań Poland
4. Dept. of Food Concentrates and Starch Products; prof. Wacław Dąbrowski Inst. of Agricultural and Food Biotechnology; Starołęcka 40 61-361 Poznań Poland