Phenylethyl Alcohol Blood Agar (PEA) is an enriched selective medium for the isolation of obligately anaerobic bacteria from clinical specimens. PEA medium contains phenylethylalcohol to inhibit the growth of gram-negative, facultatively-anaerobic bacteria and prevent swarming. This medium will support the growth of most obligate anaerobic bacteria, both gram positive and gram negative. The PEA medium is especially useful in selective isolation of anaerobes from mixed populations that contain rapidly growing gram-negative bacteria such as Proteus species. This medium is prepared, stored and dispensed under oxygen-free conditions to prevent the formation of oxidized products prior to use.
Bacteroides Bile Esculin Agar (BBE) is an enriched selective and differential medium for the isolation and presumptive identification of obligately anaerobic gram-negative bacilli of the Bacteroides fragilis group. BBE contains gentamicin at a concentration which inhibits most facultative anaerobes. This medium also contains bile, which inhibits anaerobic gram-negative rods except the B. fragilis group and other bile resistant Bacteroides and Fusobacteria. Esculin in the medium permits recognition of esculin hydrolysis by organisms that produce a brown to black coloration in the medium around the colonies. Hemin is added as a growth factor and allows testing for catalase production. This medium is prepared, stored and dispensed under oxygen-free conditions to prevent the formation of oxidized products prior to use.  Anaerobe Systems PRAS Bacteroides Bile View the full product insert: PEA Insert.pdf, BBE Insert.pdf
BBE-PEA Biplate Products
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Bacteroides Bile Esculin Agar/ Phenylethyl Alcohol Blood Agar (BBE/PEA) |