Set-off of non volatile compounds from printing inks in food

Migration from different multilayer materials containing inks to 2 food simulants was performed, the effect of ink transference and how it was affected by the presence of lacquers in the material was studied. A total of 17 migrants coming from inks due to set-off phenomena were found.
The number of migrants decreased dramatically when a lacquer was added and especially when ink was placed under a PET layer. Some new migrants appear by the reaction between ink and lacquer. In another substrate, when a lacquer was added some migrants decreased but other migrants present both in lacquer and ink increased. An article of the research is published in Dyes and Pigments.
Click here for the abstract of the article.

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