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Consumers sour on milk exposed to LEDs

Display cases at grocery stores increasingly use light-emitting diode (LED) lighting, and that's bad news for milk drinkers. Cornell University researchers in the department of food science found that exposure to LED sources for even a few hours degrades the perceived quality of milk more so than the microbial content that naturally accumulates over time. Their study determined that milk remained at high quality for two weeks when shielded from LED exposure, and consumers overwhelmingly preferred the older, shielded milk over fresh milk stored in a typical container that had been exposed to LED lighting for as little as four hours.

1 comment:

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