Effects of high pressure treatment (100-200 MPa) at low temperature on turbot (Scophthalmus maximus) muscle

Turbot fillets were subjected to high pressure treatments at 100, 140, 180 and 200 MPa for 15 and 30 min at 4 degreesC. The influence of such treatmen ts on the lipid and protein stability and on color was studied. It appeared that color, protein stability and lipid oxidation phenomena were influence d both by the pressure level and pressure holding time. The oxidative stabi lity of lipids was particularly affected from 180 MPa as measured by the th iobarbituric acid number. Differential scanning calorimetry showed a full d enaturation of myosin at 200 MPa and the appearance of a new structure from the treatment at 100 MPa for 30 min. (C) 2001 Elsevier Science Ltd. All ri ghts reserved.