1. Department of Microbiology and Food Technology, Faculty of Agriculture and Biotechnology University of Science and Technology in Bydgoszcz st. Kaliskiego 7, 85‐796 Bydgoszcz Poland
2. Department of Agricultural Chemistry, Faculty of Agriculture and Biotechnology University of Science and Technology in Bydgoszcz st. Seminaryjna 5, 85‐326 Bydgoszcz Poland