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The BBC reports that “a new generation of smart packaging - which flags up when food is going off - is being developed in Glasgow.

“Researchers from Strathclyde University are working on indicators made from ‘intelligent plastics’ which change colour when food loses its freshness. They hope to have a commercially viable product available soon which will improve food safety and cut waste.”

According to the story, “Freshness indicators currently used across the food industry usually take the form of labels inserted in a package but these come at a significant cost. Strathclyde researchers are looking to create a new type of indicator which is part of the wrapping itself and subsequently much cheaper.”
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