1. Department of Food Biochemistry and Analysis; Poznan University of Life Sciences; Mazowiecka 48 60-623 Poznan Poland
2. Department of Human Nutrition and Hygiene; Poznan University of Life Sciences; Wojska Polskiego 31 60-624 Poznań Poland
3. Department of Physics; Poznan University of Life Sciences; Wojska Polskiego 38/42 60-637 Poznan Poland