University researchers create packaging tray that warns of food contamination
Researchers at McMaster University in Canada have created a new packaging tray that can signal when salmonella or other dangerous pathogens are present in packages of raw or cooked food such as chicken.
The new technology will enable producers, retailers and consumers to tell in real time whether the contents of a sealed food package are contaminated without having to open it, preventing exposure to contamination while simplifying cumbersome and expensive lab-based detection processes.
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