Table 1. Pathogenic Escherichia coli cell counts (mean ± standard deviation) in pork, beef, and baby leafy vegetable samples

Sample Inoculated Escherichia coli level

Not inoculated 1 Log CFU/g 2 Log CFU/g 3 Log CFU/g
Pork < 0.51) 1.3 ± 0.1 2.1 ± 0.0 3.2 ± 0.0
Beef < 0.5 0.8 ± 0.5 2.2 ± 0.1 3.2 ± 0.1
Baby leafy vegetables < 0.82) 1.3 ± 0.3 2.4 ± 0.1 3.1 ± 0.2