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Food containers that change colour may soon make 'sell-by' date obsolete
Add BT as a preferred sourcePublished Wed, Jun 14, 2017 · 09:50 PM
DeeperDive is a beta AI feature. Refer to full articles for the facts.
Washington
EVEN in 2017, we often decide whether the salmon in our refrigerator is still edible by giving it a sniff and looking at the "sell-by" date.
A company called Braskem wants to bring a little more science into the decision.
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