Sainsbury's launched a smart ham packaging system that includes a label that alerts consumers about an upcoming expiry. While an unchanging "best before" sticker is something that consumers have to consciously remember to check from time to time, the smart label boasts an active, color-changing design.
After the package of sliced ham has been opened, the smart expiry-monitoring label will gradually change from yellow to purple to reflect the time that has passed since the initial opening. While most food labels do not take into account external factors, the smart label boasts the ability to change at a slower rate if it is kept in a fridge with a cooler temperature. As such, the smart ham packaging design has the potential to increase consumer food safety and limit household food waste.
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