Part of Thermo Fisher Scientific
Organisms this product works with:
Other products used in the isolation of Listeria monocytogenes :
24 LISTERIA ENRICHMENT BROTH (24 LEB)
24 LEB Base
This medium is for the selective enrichment of Listeria monocytogenes and other Listeria spp. from food and environmental samples. Only for use with BAX® System PCR L. monocytogenes 24E and BAX® System PCR Genus Listeria 24E assays.
|Ferric ammonium citrate|
|pH 7.4 ± 0.2 @ 25°C|
24 LEB Selective Supplement
per litre before
Completely dissolve 21.75g of 24 LEB Base per 500ml of distilled water. Sterilize by autoclaving at 121°C for 15 minutes. Cool to 50°C. Aseptically add the contents of 1 vial of 24 LEB Selective Supplement per 500ml medium, reconstituted as directed. Cool to room temperature before use, and, once made, store the medium at 2-8°C in the dark.
Refer to BAX® System user guide and product inserts for PCR Assay L. monocytogenes 24E (QB8125C) and BAX® System PCR Assay Genus Listeria 24E (QB8135C) for instructions for use.
|Positive controls:||Expected results|
|Listeria monocytogenes ATCC®13932||Turbid growth|
|Listeria innocua ATCC® 33090*||Turbid growth|
|Enterococcus faecalis ATCC® 29212*||No growth/inhibited growth|
|Escherichia coli ATCC® 25922*||No growth|