High-pressure processing package for foods and high-pressure processing method for foods

摘要

It is an object of the present invention to provide a package for high pressure treatment of foods and a method for treating foods at a high pressure, both being able to easily determine whether the foods accommodated in the package have been subjected to a high pressure treatment or not. To this end, the package for high pressure treatment includes a package body 7 for accommodating articles to be treated at a high pressure, and an irreversible pressure-sensitive marker 1 disposed on the package body 7 at a position capable of being seen from the exterior of the package body 7 and adapted to develop color when pressurized.