Glass Safest Packaging for Food New Research Says

Glass Safest Packaging for Food

International research, published in the journal Critical Reviews in Food Science and Nutrition (1), found that nearly 3000 chemicals can potentially leak from packaging into food, making human exposure to these chemicals highly probable.  Most of these chemicals (65%) were unknown in that they have not been recorded in any regulatory or industry list to date.  Of the almost 3.000 chemicals detected that can potentially leak into food, more than two thirds were identified in plastics.

By contrast, glass & ceramic are by far the safest food contact materials, which is in line with the low chemical complexity of these materials.

“The study shows that glass is safest among the packaging materials as it has virtually no detected chemicals and therefore is the safest for human health,” says Adeline Farrelly, Secretary General of FEVE the EU federation of container glass producers.

The study states that 2881 Food Contact Chemicals (FCCs) have been detected, in a total of six Food Contact Material (FCMs) groups.  More than two thirds of the FCCs (1975) were identified in Plastic FCMs, followed by paper & board (887), Other FCMs (760), and multi-materials (614). The fewest FCCs were detected in metal (251) and glass & ceramic (47).

Study of food contact chemicals

Source:  Geueke et al published in Food Science and Nutrition.  “Systematic evidence on migrating and extractable food contact chemicals: Most chemicals detected in Food contact materials are not listed for use.”

This research shows the potential risks linked to migration of chemical substances into the food chain and by consequence into the environment”, says Adeline Farrelly. “There is a considerable knowledge gap to fill on food contact legislation.  But also, Life Cycle Assessment methodologies on packaging must and should take into account chemicals including hazardous chemicals used in food contact packaging materials that can potentially also leak into the environment”.


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