Food safety is hardly ever out of the news. Moreover, it is not only about the hygienic production, processing, and storage of food. There is more to food safety than avoiding bacterial contamination. In 2005, isopropyl thioxanthone (ITX), a photoinitiator used in UV-curable inks, was found in baby milk. In 2009, other photoinitiators were detected in breakfast cereals packed in polyethylene pouches inside cardboard boxes that were only printed on the outside. More recently, in 2011, mineral oils from liquid printing inks were discovered in recycled paperboard used for food packaging. If it had not done so already, the packaging industry now realized that substances used in printing inks could contaminate food even without direct contact.
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