Device to detect breaks in the cold chain of a product and prevent its sale when unfit comprises a label placed over the bar code containing lactic bacteria which render the label opaque thus obscuring the bar code as they develop

摘要

A device intended to detect breaks in the cold chain of a product using a label comprising bacteria intended to cause an opacification of the label when a predetermined conservation temperature threshold has been exceeded, is new. The label is applied over the bar code on the product.