1. Institute of Physics, Cracow University of Technology, Podchorążych 1, 30-084 Kraków, Poland
2. Institute of Materials Engineering, Mechanical Department, Cracow University of Technology, Al. Jana Pawła II 37, 31-864 Kraków, Poland
3. Department of Food Technology, Institute of Chemistry, University of Agriculture, Balicka 122, 30-149 Kraków, Poland