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| Pressuring bacteria to death Mon, 04 Aug 2008 01:54 EDT WASHINGTON . Could food producers literally squeeze the salmonella out of a jalape.o? Or zap the E. coli from lettuce without it going limp? Headline-grabbing food poisonings from raw foods are prompting new interest in technology . from super-high pressure to irradiation . to get rid of some of the bugs. It won't be a panacea: Far better to prevent contamination on the farm than to try to get rid of it later. But it's impossible to prevent all contamination in open fields. And increasingly popular ready-to-eat foods . salads already washed and bagged, fruit peeled and sliced . allow another processing step where a single slip-up can introduce pathogens. Washing, even with chlorine or other chemicals, only gets rid of surface contaminants, not germs that sneak inside the fruit or vegetable. Enter high-tech options. |
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