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Potential impact on the safety assessment of substances used in food contact materials


EFSA Panel on Food ingredients and packaging

This Opinion describes recent developments in the safety assessment of chemicals in food and explores their potential impact on EFSA evaluation of food contact materials (FCM). It is not intended to be a guidance document. The draft opinion was subject to a public consultation and this final Opinion takes into account the scientific comments received. The Opinion will provide the European Commission with the scientific basis for a discussion among risk managers on possible implications for risk management. One major area to revisit is the estimation of consumer exposure. Four food consumption categories could be set. They are approximately 9, 5, 3 and 1.2 times higher than the current SCF default scenario, i.e. 17 g/kg bw per day, and so using them would afford a higher level of protection, particularly for infants and toddlers. Special exposure scenarios might be used if consumption were lower. The amount of toxicity data needed should be related to the expected human exposure. The tiered approach of the SCF is updated. For substances used in FCM, genotoxicity testing is always required, even if their migration leads to a low exposure. Beyond this, three threshold levels of human exposure, namely 1.5, 30 and 80 μg/kg bw per day, are proposed as triggers for the requirement for additional toxicity data. Regarding the identification and evaluation of migrating substances, experience has shown that more focus is needed on the finished materials and articles. Considering the non-intentionally added substances (NIAS), such as impurities of the substance along with reaction and degradation products including oligomers, the same approach as is used for authorised substances could, in principle, be applied for their toxicological assessment, as the same degree of safety should be warranted for all migrating substances. However, non-testing methods could have increased importance for the assessment of genotoxicity of NIAS. 

© European Food Safety Authority, 2016

Potential impact on the safety assessment of substances used in food contact materials

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