Packaging that changes colour when food spoils

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A Brazilian company has partnered with universities in the U.S. and Brazil to create food packaging that will change color to alert you when it spoils. The package uses PH indicators to determine whether the food has spoiled. The first prototype of the technology was released last year–if successfully incorporated, it could help with problems of food waste and prevent consumers from navigating confusing labels. https://www.psfk.com/2017/05/packaging-changes-colors-to-alert-shoppers-when-food-spoils.html

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