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The multiple “smart pigment” technology is adopted on the outer layer of the drinks packaging. The outside color changes according to the length of exposure in air due to the degree of oxidation.
The packaging can remind users how long the items have been in the fridge. The smart pigment on the outer layer of the packaging can change color over time, just like fruits, so that users can intuitively know whether the product has expired.
Taichung City, Taiwan