An indicator label for an outer packaging of foodstuffs for the documentation of a completed heat treatment of the food and outer pack with an indicator label

摘要

Disclosed is an indicator label (1) for an outer packaging of foodstuffs for the documentation of a completed heat treatment of the food, in particular for the documentation of the pasteurization of foodstuffs, wherein at least a thermochromic material is provided, in the case of heating to a switching temperature of more than 60°C. has an irreversible change of colour.