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In-package plasma process quickly, effectively kills bacteria

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Exposing packaged liquids, fruits and vegetables to an electrical field for just minutes might eliminate all traces of foodborne pathogens on those foods, according to a Purdue University study.

Kevin Keener, a professor of food science, looks for new ways to kill harmful bacteria, such as E.coli and Salmonella, that contaminate foods and cause serious illnesses and deaths. His method uses electricity to generate a plasma, or ionized gas, from atmospheric gases inside the food package.

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