Article
A proposed nonpathogenic biological indicator for thermal inactivation of Listeria monocytogenes.
Applied and environmental microbiology - 1 Apr 1993
Fairchild T M, Foegeding P M
Abstract excerpt
Listeria innocua M1 was developed as a thermal processing indicator organism for L. monocytogenes by selection of a rifampin- and streptomycin-resistant mutant. zetaD values were 5.6 and 5.8 degrees C, and D (68 degrees C) values were 3.8 and 4.9 s for L. monocytogenes and L. innocua, respectively, in skim milk. The advantages of easy selection, similar heat resistance, and nonpathogenicity make L. innocua M1...
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