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.
The project is being supported with £325,000 in funding from the Scottish Enterprise Proof of Concept programme.
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