Label Could Put Stop to Fruit Squeezing

A label that changes colour as fruit ripens is allowing shoppers to see whether pears are ready to eat without have to squeeze them. The system, developed at the Horticulture and Food Research Institute of New Zealand, uses a punnet that traps the volatile compounds fruit emit. As the fruit ripen, the colour of the label changes in response to changing concentrations of these compounds

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Photos from Flickr