Table 2.

Difference between initial L. monocytogenes levels on the raw chicken and final levels in cooking salt and lettuce.

Experiments	Raw chicken	Cooking salt		Lettuce
	Counts (CFU/g)	Counts (CFU/g)	Detection (in 10 g)	Counts (CFU/g)	Detection (in 50 g)
I	2.0 × 101	<10	Negative	7.0 × 101	Positive
	3.9 × 102	<10	Positive	1.5 × 102	Positive
	1.1 × 103	7.0 × 101	Positive	2.4 × 102	Positive
	1.4 × 104	5.2 × 102	Positive	3.4 × 102	Positive
	4.8 × 104	2.6 × 103	Positive	5.1 × 102	Positive
II	1.1 × 102	<10	Positive	9.0 × 101	Positive
	5.0 × 102	1.0 × 101	Positive	6.5 × 102	Positive
	1.8 × 103	9.0 × 101	Positive	6.4 × 102	Positive
	8.0 × 103	4.9 × 102	Positive	5.1 × 102	Positive
	2.9 × 105	2.0 × 103	Positive	1.3 × 103	Positive
III	3.0 × 101	<10	Negative	<10	Positive
	1.6 × 102	<10	Positive	<10	Positive
	8.3 × 102	<10	Positive	<10	Positive
	8.7 × 103	2.0 × 102	Positive	7.0 × 101	Positive
	2.8 × 105	1.6 × 103	Positive	4.0 × 102	Positive