FOOD FRESHNESS INDICATOR INK AND METHOD FOR THE MANUFACTURE OF A FOOD FRESHNESS INDICATOR INK.

摘要

Food freshness indicator ink and method for the manufacture of a food freshness indicator ink. It comprises a varnish that constitutes between 90-98% of the total, said varnish comprising between 5-25% of the total amount of the varnish of at least one film-forming resin or at least one vinylic resin or a mixture thereof, between 10-25% of the amount of the resin of a plasticiser additive and between 50-75% of the total amount of the varnish of solvents, and between 2-10% of the total of metallic salts.