Table 2.

Comparison of doubling time distribution parameters (Eq. 1) for E. coli, E. coli O157:H7, and Citrobacter in LB, LB + ethyl acetate (EA, 75 mM), or MM at 37°C; S = Stationary phase, L = Log Phase.

		CI ≤ 100 CFU mL-1					CI ≥ 1000 CFU mL-1
Organism (phase)	Medium LB	α	μτ 1 ± στ1	β	μτ2 ± στ2	Δμτ	μτ ± στ
E. coli (S)	LB	0.48	18.0 ± 0.678	0.52	19.9 ± 2.48	1.87	17.6 ± 0.708
E. coli (L)	LB	0.35	18.2 ± 0.660	0.65	20.0 ± 2.11	1.79	17.9 ± 0.645
E. coli (L)	LB+EA	0.15	19.6 ± 0.999	0.85	21.7 ± 2.25	2.13	21.4 ± 2.06
E. coli (L)	MM	0.30	51.1 ± 1.75	0.70	56.9 ± 8.32	5.77	52.0 ± 2.09
E. coli O157:H7 (L)	LB	0.40	18.5 ± 0.401	0.60	20.1 ± 2.01	1.60	18.1 ± 0.438
Citrobacter (L)	LB	0.6	42.5 ± 3.75	0.40	50.7 ± 6.50	8.24	42.4 ± 3.72