Tag: E. coli O157:H7

Study Finds New Culprit in 2009 E. Coli Outbreak: Tainted Flour in Cookie Dough

By Douglas Main | December 13, 2011 12:51 pm

One of the most universally agreed upon facts in the world is that raw cookie dough is delicious. But it can also make you sick, though the ingredient to blame may be a surprise: In study published online in the journal Clinical Infectious Disease, researchers linked the 2009 outbreak of E. coli O157:H7  to tainted flour in Nestlé’s Toll House ready-to-bake cookie dough. Although they haven’t conclusively pinpointed the culprit, flour is the prime suspect after a detailed traceback investigation, since the other ingredients—including eggs—underwent a “kill step” to eliminate germs. In homemade cookie dough, eggs remain a possible source of contamination, particularly from Salmonella.

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CATEGORIZED UNDER: Health & Medicine, Top Posts
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