Storage B Growth and Storage time and Hemorrhagic strains grew at Palumbo, Samuel A., E.coli – production of temperatures temperatures as low as 46.4°F (8°C). Jeffrey E. Call, Frankie J. hemorrhagic However, all strains had at least 1 day Schultz, and Aaron C. E.coli (including lag time at that minimum temperature. Williams. 1994. Minimum O157:H7) All strains that produced toxin and Maximum eventually did so at temperatures that Temperatures for Growth supported growth. At 50°F (10°C) the and Verotoxin Production shortest time for a 3 log increase was by Hemorrhagic Strains of shown to be 4 days. Journal of Escherichia coli. Food Protection. 58 (4)
Storage B – Growth and production of hemorrhagic E.coli (including O157:H7) Storage time and temperatures Hemorrhagic E.coli strains grew at temperatures as low as 46.4°F (8°C). However, all strains had at least 1 day lag time at that minimum temperature. All strains that produced toxin eventually did so at temperatures that supported growth. At 50°F (10°C) the shortest time for a 3 log increase was shown to be 4 days. Palumbo, Samuel A., Jeffrey E. Call, Frankie J. Schultz, and Aaron C. Williams. 1994. Minimum and Maximum Temperatures for Growth and Verotoxin Production by Hemorrhagic Strains of Escherichia coli. Journal of Food Protection. 58 (4)