Influence of variations in methodology on populations of Listeria monocytogenes recovered from lettuce treated with sanitizers

Stomaching, homogenizing, or stomaching followed by homogenizing lettuce treated with sanitizers resulted in recovery of similar numbers of L. monocytogenes, indicating that stomaching and homogenizing are equivalent in extracting cells.

food microbiology sanitizer evaluation lettuce listeria monocytogenes stomacher 400