Table 1.

Optical density values detected in inoculated samples (reading against blank broth, expressed as difference from the value at inoculation).

Condition of storage		L. innocua	L. innocua	L. monocytogenes	L. monocytogenes
		ATCC 33090	(salami substrate)	12MOB045LM	12MOB085LM
37°C	24 h	1.429	1.395	1.155	1.185
	48 h	0.972	0.994	0.417	0.614
20°C	24 h	0.064	0.169	0.231	0.266
	48 h	1.364	1.446	1.333	1.304
20°C, pH 5.5	24 h	-0.003	0.045	0.063	0.053
	48 h	0.816	0.928	0.782	1.059
20°C, 3% NaCl	24 h	0.015	0.026	0.00	0.04
	48 h	1.308	1.488	1.301	1.262