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Foodborne infection by Listeria monocytogenes has prompted increased concern for detecting this organism in foods, in the environment and in pathological specimens from both human and animal subjects. The ability to isolate the organism has been impeded in the past by lack of an effective selective medium, as Listeria monocytogenes can be easily and completely overgrown by competing flora.Use Modified Oxford Agar (MOX) for selective isolation and detection of Listeria monocytogenes from clinical and food specimens.
• Easy-to-read:Listeria monocytogenesform brown colored colonies with black zones due to aesculin hydrolysis.
• Selective: selective agents lithium chloride, colistin, and moxalactam inhibit the growth of background organisms.
• Recommended by the U.S. Department of Agriculture Food Safety Inspection Service and American public Health Association (APHA) for use following enrichment procedures for the recovery ofL. monocytogenesfrom meat and dairy products.^3, 4
• Ready-to-use convenience of prepared media.L. monocytogenes hydrolyze esculin to form^6, 7, dihydroxyumarin which reacts with ferric ions to form a black precipitate in the medium surrounding the colonies. Lithium chloride, colistin, and moxalactam are selective agents which inhibit the growth of background organisms, such as Gram-positive cocci and gram-negative bacilli.Not all products are available for sale in all territories. Please inquire.Remel™ and Oxoid™ products are now part of the Thermo Scientific brand.
