Description
• Intended Use: Buffered Listeria Enrichment Broth Base (BLEB) is used with supplements for selective enrichment of Listeria spp. in foods.
• Product Summary: Buffered Listeria Enrichment Broth, a modification of the formula by Lovett et al., was developed after subsequent work concluded that enrichment properties can be improved by increasing the buffering capacity of the medium with the addition of Disodium Phosphate. Listeria spp. grow over a pH range of 5.0 - 9.6, and survive in food products with pH levels outside these parameters. Listeria spp. are microaerophilic, Gram-positive, asporogenous, non-encapsulated, non-branching, short, motile rods. Motility is pronounced at 20°C. Identification of Listeria is based on successful isolation of the organism, biochemical characterization, and serological confirmation.
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