1. Department of Meat Technology and Chemistry, University of Warmia and Mazury in Olsztyn, Plac Cieszyński 1, 10-719 Olsztyn. Poland
2. Department of Industrial Commodity, Basics of Techniques and Energy Management, Faculty of Food Sciences, University of Warmia and Mazury in Olsztyn, Plac Cieszyński 1, 10-719 Olsztyn. Poland