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EFSA Publishes Safety Assessment of Zinc Oxide Nanoparticles

The European Food Safety Authority's (EFSA) has published an assessment of zinc oxide nanoparticles in food contact materials that recommends the European Commission reconsider safety migration levels (SMLs) to ensure they take into account dietary exposure from other sources. The authors found zinc oxide "does not migrate in nanoform" and focused on soluble ionic zinc (non-nano) in their safety assessment, which found ionic zinc complied with current SMLs, however, a consumer could exceed the upper exposure limit when exposure from sources other than food contact materials are included. The current no observed adverse effect limit (NOAEL) for zinc was set at 50mg/person per day and an upper limit of 25 mg/person per day in 2003 by the Scientific Committee on Food.

Download the full report at the EFSA website for more details.

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