This is genius innovation! A labeling system that reacts to the product and tells a story.
Consumers are conscious over the quality of food products they purchase, and often the concern is just as equal over the legitimacy of food labels.
To solve this problem, To-Genkyo designed a food label that changes color by reacting to ammonia given off when food is spoiling. If the product is no longer edible, the change of color makes the barcode non-scannable.
Absolutely amazing visualization that actually serves a purpose and fills a need.

How simply improving a restaurant’s social media image could immediately impact the bottom line
According to research, to the mind seeing images of food is the same as seeing the actual food! The power of a great image on a restaurant’s social media