Smart plastic bags change face to expired food
Mills, a professor at the University of Strathclyde in the UK, is leading researchers to develop a'Smart'Food packaging bags. It can not only find out that expired food will'Face'The color changes greatly, but also has'Ventilation'Function to ensure fresh food. This plastic bag is expected to be available within two years.
if food such as meat, fish and vegetables exceed the shelf life or are placed outside the refrigerator for too long, the freshness will be damaged. According to the concept of the mills team, when the freshness falls to a certain limit, this kind of intelligent plastic packaging bag will change color.
researchers say it can also help people distinguish'Best eating period'And'Quality shelf life'Don't worry about eating a bad stomach.