Abstract
ABSTRACTTwo methods (A and B) for the recovery of Listeria monocytogenes were compared using reference samples based on spray drying of milk containing this pathogen and competitive microflora. For method A, the sample was inoculated in a buffered liquid medium (same as IDF Pre‐enrichment Broth) and then passed to IDF Enrichment Broth plus phosphate buffer. For method B, the sample was inoculated in FDA Enrichment Broth (LEB) and then passed to LEB (subenrichment). The solid selective medium used in both cases was Listeria Selective Agar (Oxford formulation). The sensitivity and specificity of method B was 95.2% and 100% vs. 76.1% and 88.8% for method A, respectively.
Published Version
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