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New Germicidal Plasma Technology Extends Shelf Life Of Food, Could Reduce Waste

February 11, 2013: 12:00 AM EST
Scientists in Scotland have developed a plasma technology that temporarily converts oxygen in sealed food packages to ozone, killing any mold, fungi or bacteria before the ozone reverts to its oxygen state. The method uses a retractable device that generates plasma. The device is held against the surface of plastic or glass packaging where it splits the oxygen molecules (O2), when then reform into ozone (O3) molecules. The researchers say the technology’s effectiveness as a germicide extends shelf life by about a day, which would go "a significant way to cutting down on the seven million tons of food discarded in the U.K. each year".
"University of Glasgow project taps plasma power to protect products and people", University of Glasgow, February 11, 2013, © University of Glasgow
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