论文信息 - Survival and growth characteristics of Escherichia coli associated with hemorrhagic colitis

Survival and growth characteristics of Escherichia coli associated with hemorrhagic colitis

Escherichia coli O157:H7 in ground beef was more sensitive to heat than salmonellae, but survived for 9 months at -20 degrees C with little change in number. The organisms grew well in Trypticase soy broth (BBL Microbiology Systems) between 30 and 42 degrees C, with 37 degrees C being optimal for growth. E. coli O157:H7 grew poorly in the temperature range (44 to 45.5 degrees C) generally used for recovery of E. coli from foods.

M. Doyle | J. L. Schoeni | M P Doyle | J L Schoeni

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