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New technology kills bacteria
in packaged foods Source of
Article: http://www.wkowtv.com/Global/story.asp?S=10836636 Posted: Aug 03, 2009 6:35 AM PDT Like many people who have suffered from
food poisoning, Pat Cantwell remembers the incident well. "Probably 4-5
hours where I became very ill" It's estimated that 76 million cases of food poisoning occur
each year and giving food a quick rinse isn't always enough. Now, food processing engineers at Purdue University have a new
way to eliminate harmful bacteria in packaged foods like spinach and
tomatoes. It has the potential to kill the bacteria without any type of
further changing the product and without chemical residues. The technology used a set of coils that generate 15,000 volts of
electricity and are placed on the outside of a sealed food package. The high
voltage knocks apart oxygen and nitrogen molecules inside the package,
forming ozone which kills bacteria like E.coli and salmonella. Using less energy than a light bulb, the technology treats
packaged food and gives it a longer shelf-life. That's because the
process also kills bacteria that causes spoilage, so the food can
literally be treated to allow it to last longer in the refrigerator. |
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