Got LED light? Display cases and grocery stores increasingly do, and that’s bad news for milk drinkers.
Cornell researchers in the Department of Food Science found exposure to light-emitting diode (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 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 light for as little as four hours.
As sellers adopt these light-efficient energy sources in dairy cases and point-of-sale locations, merchants might unwittingly sabotage the product they are trying to sell.
To read the rest of the story, please go to: Cornell Chronicle