ABSTRACT: The primary objective of this study was to monitor viability of Shiga toxin–producing Escherichia coli (STEC), Salmonella spp., and Listeria monocytogenes during preparation and storage of fuet. Regarding methodology, coarse-ground…
Continue ReadingComparison of homogenization by blending or Stomaching on the recovery of Listeria monocytogenes from beef tissue
A Stomacher® 400 was used to blend beef tissue as part of the comparison in Listeria monocytogenes recovery. The study shows that there was no…
Continue ReadingInfluence 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…
Continue ReadingDetection of Listeria species in Stainless steel Surfaces by the ADIAFOOD Rapid Pathogen Detection System.
This method is applicable to the rapid detection of Listeria species to determine compliance with the requirements of Sections 4 and 7 of the Food…
Continue ReadingIn-House Validation of a Rinse–Membrane Filtration Method for Processing Fresh Produce Samples for Downstream Cultural Detection of Salmonella, Escherichia coli O157:H7, and Listeria
ABSTRACT More efficient sampling and detection methods of pathogens on fresh produce are needed. The purpose of this study was to compare a novel rinse–membrane…
Continue ReadingInhibition of Listeria monocytogenes in Fish and Meat Systems by Use
To enumerate L. monocytogenes, 0.1 M phosphate buffer was added to each stomacher bag (5-g beef slice in 45 ml of phosphate buffer), and the contents were…
Continue ReadingMeasuring bacterial load and immune responses in mice infected with Listeria monocytogenes
The Stomacher® 80 was used to test tissue from mice. Place the Stomacher bag into the Stomacher, and run the Stomacher on high speed for 10 minutes. Mix…
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