applied the treatment to chicken
meat strips to inhibit the pathogens Salmonella and Listeria: samples
treated at 13.7 MPa, 35 C for 2 h presented an inactivation
of 94–98% and 79–84%, respectively, but also in this case the samples
turned whitish and seemed to be cooked. Choi et al. (2008)
demonstrated that the HPCO2 process (7.4 MPa, 31 C for 10 min)
led to a sarcoplasmic protein denaturation of porcine muscle with
a higher lightness and a lower redness. To our knowledge no studies
have been performed neither on HPCO2 pasteurization of raw
pork meat or on the measurement of the colour changes of meat
during the pasteurization process.