During high pressure treatments the pressure is isostatically and homogeneously applied to each point of the sample, thus processing time is not a function of its size (Estrada-Girón et al., 2005).
This is an advantage
in comparison to the traditional thermal processes where processing
time depends on product size and geometry (San Martín, Barbosa-
Cánovas, & Swanson, 2002). To optimize the HP treatments, many
other variables have to be considered. Pressures applied and holding
times, for instance, may induce different modifications to the treated
products (Bauer & Knorr, 2005; Welti-Chanes et al., 2005). During HP
processing, it is also possible to adjust the temperature of the HP chamber,
thus combining the high pressurewith a traditional heat treatment.