PACKAGE WITH FUNCTION OF OXYGEN INDICATOR

摘要

PROBLEM TO BE SOLVED: To provide a package with a function of an oxygen indicator with which a change in a gas atmosphere due to occurrence of a pin hole or a sealing failure can be simply recognized in a package of an oxygen scavenged atmosphere. SOLUTION: The package with the function of an oxygen indicator comprises a gas-permeable container receiving a medicine or food easy to spoil by oxygen wrapped with a gas-impermeable packaging material, while the inside of the package is in the oxygen scavenged atmosphere by means of gas flushing, a vacuum or a free oxygen scavenger. The package includes an oxygen sensing part which detects a change in the gas atmosphere in the package due to a failure of the packaging material as a change in the tone of color. COPYRIGHT: (C)2004,JPO