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Drinks in glass bottles contain more microplastics than those in other container
Drinks contained in glass bottles contain more microplastic particles than those in plastic bottles, cartons or cans. This was the surprising finding of a study conducted by the Boulogne-sur-Mer unit of the ANSES Laboratory for Food Safety. The scientists hypothesised that these plastic particles could come from the paint used on bottle caps. These findings have highlighted a source of microplastics in drinks that manufacturers can easily address.
“ We were expecting the opposite result when we compared the level of microplastics in different drinks sold in France ” explains Iseline Chaïb, a PhD student in the Aquatic Food Safety Unit (SANAQUA, Boulogne-sur-Mer site), which conducted the study at the ANSES Laboratory for Food Safety. In the absence of toxicological reference data, it is not possible to say whether the levels of microplastics found pose a health risk. To confirm the route of contamination of drinks in glass bottles and explore the possibility of reducing microplastic levels, the laboratory tested the effects of different cleaning operations.
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