University of Strathclyde University Professor Mills is leading researchers to develop this smart bag.

If food such as meat, fish, and vegetables exceeds the shelf life or is stored outside the refrigerator for too long, freshness will be impaired. According to the Mills team's vision, when the freshness is reduced to a certain limit, this smart plastic bag will change color. It also reminds people to store sealed food in the refrigerator.

The researchers said that it can also help people distinguish the "best consumption period" and "quality shelf life", do not worry about eating bad stomach.

According to statistics, approximately 1 million cases of food poisoning occur each year in the United Kingdom. "The Daily Mail" quoted Mills as saying: "We hope it will reduce the risk of people eating bad food. We hope it will have a direct impact on the meat and seafood industry." According to Xinhua News Agency

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