Canned fish preserved in oil contains comparatively high levels of cyclo-di-BADGE (CdB), an undesirable reaction product that is created during polymerization of BADGE (2,2-Bis(4-hydroxyphenyl)propanbis-(2,3-epoxypropyl)ether, CAS no. 1675-54-3) with bisphenol A (BPA) and of BPA with epichlorhydrin. That’s the finding of a statement (available in German only) of the German Federal Institute for Risk Assessment (BfR). Cans and tubes are coated with the resulting epoxy resin; the resin should prevent direct contact between the contents and the metal can.
However, it has long been known that CdB can migrate from the epoxy resin into food. As early as 2010, the BfR Commission reported on tests of canned fish that contained up to 2 mg cyclo-di-BADGE/kg in food. Because no experimental data on gene toxicity and subchronic toxicity exist, the BfR recommends the study of these question to base the evaluation of risk on a solid foundation. The agency is also advising consumers to avoid “above-average consumption” from such cans.
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