Listeria Selective Agar (Oxford Formulation)

Isolate and detect Listeria monocytogenes from clinical, food and environmental samples with the diagnostic Thermo Scientific™ Oxoid™ Listeria Selective Agar (Oxford Formulation). The medium is based on the formulations described by Curtis et al.¹ Listeria monocytogenes, being capable of hydrolyzing aesculin, produce black zones around the colonies, while most other unwanted Gram-positive flora is inhibited. This medium is the specified plating medium in the FDA/BAM isolation procedure² and in standardised testing methods of other national and international bodies³.

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 Listeria Selective Agar (Oxford Formulation) for selective isolation and detection of Listeria monocytogenes from clinical and food specimens.

• Easy-to-read: Listeria monocytogenes form brown colored colonies with black zones due to aesculin hydrolysis.
• An FDA/BAM specified plating medium for Listeria monocytogenes isolation³.
• Ready-to-use convenience of prepared media.

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Remel™ and Oxoid™ products are now part of the Thermo Scientific brand.