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National standard for commercial sterility
GB4789.26-89 defines: "After moderate thermal sterilization, canned food does not contain pathogenic microorganisms, nor does it contain non-pathogenic microorganisms that can reproduce in it at normal temperature. This state is called commercial sterility.

Since the national standard GB4789.26 "Examination of Commercial Sterility of Canned Food" (the current standard number is GB4778.26-94, but the content remains unchanged) was implemented on 1 May, 9901day.