1. a INSTITUTE OF FOOD TECHNOLOGY UNIVERSITY OF AGRICULTURE,WOJSKA POISKIEGO 31 , 60–624 POZNANŃ, POLAND
2. b DEPARTMENT OF MATHEMATICAL AND STATISTICAL METHODS UNIVERSITY OF ACRICULTLIRE: WOJSKA POLSKIEGO 28 , POZNANŃ, 60637, POLAND
3. c DEPARTMENT OF AGRICULTUREAL ENGINEERING UNIVERSITY OF MANITOBA , WINNIPEG, R3T 5V6, CANADA