alexa Acid adaptation of Escherichia coli O157:H7 increases survival in acidic foods.
Nutrition

Nutrition

Journal of Nutrition & Food Sciences

Author(s): Leyer GJ, Wang LL, Johnson EA

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Abstract Escherichia coli O157:H7 was adapted to acid by culturing for one to two doublings at pH 5.0. Acid-adapted cells had an increased resistance to lactic acid, survived better than nonadapted cells during a sausage fermentation, and showed enhanced survival in shredded dry salami (pH 5.0) and apple cider (pH 3.4). Acid adaptation is important for the survival of E. coli O157:H7 in acidic foods and should be considered a prerequisite for inocula used in food challenge studies.
This article was published in Appl Environ Microbiol and referenced in Journal of Nutrition & Food Sciences

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