On-pack information about expiration dates can change food waste behaviors in households

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On-pack information about expiration dates can change food waste behaviors in households
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Misunderstanding of expiration date marking (use-by or best-before) has been identified as one of the causes of food waste at the household level. In a recent study, Wageningen Food & Biobased Research investigated whether extra on-pack information can help consumers to distinguish between use-by and best-before dates and thereby change their food waste behaviors.

Prior research has shown that consumers often mistake the meaning of Use-by and Best-before dates, and frequently err upon acting accordingly. As a result, consumers discard products too early to be on the safe side, while these would still be perfectly good for consumption. This suggests that a better understanding of the difference between use-by and best-before dates could lead to a reduction in food waste.

The results showed that the additional on-pack information led to different behaviors for foods exceeding use-by vs. best-before dates, but effects on food discard choices were asymmetric. Foods past the use-by date were disposed more often if extra information was present on the packages, which is desirable from a food safety perspective.

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