Patent ID: 6017572
Filing Date: 2000-01-25
Classification: A23C,A23L

Abstract:
A method for sterilizing a low acid food having a pH greater than or equal to 4.5 comprising:(a) preheating the low acid food to an initial temperature of at least 70.degree. C.;(b) pressurizing the preheated low acid food to a first elevated pressure of at least 50,000 psi for a predetermined first period of time;(c) then releasing the first elevated pressure for a predetermined pause period of time;(d) then repressurizing the low acid food to a second elevated pressure of at least 50,000 psi for a predetermined second period of time; and(e) depressurizing and cooling the low acid food, wherein the initial temperature, first and second elevated pressures, and time periods are selected to produce a sterile food product that retains substantially uncooked flavor and texture.