FOOD. Science. Technology. Quality

Food. SCIENCE. Technology. Quality

Food. Science. TECHNOLOGY. Quality

Food. Science. Technology. QUALITY




Rheological, thermal and functional properties of liquid whole egg after ultrapasteurisation


Effect of pasteurisation on rheological, thermal and functional properties of liquid whole egg (LWE) was studied. Process of ultrapasteurisation was carried out in constructed tubular pasteurisator in following conditions: temperature 68°C, time of thermal treatment 180 s, heating rate 3°C/min. Pasteurised LWE was compared with control LWE to investigate effect of ultrapasteurisation. It was concluded that the most important factors were yolk-albumen ratio and age of eggs. It is not possible to indicate only one variant where all investigated parameters are characterized with the best values. Rheological studies showed that LWE could be treated as shear-thinning fluid.