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Bea Agar (Bile, Esculin & Azide)
Bile Esculin Azide Agar (BEA agar) is a selective medium used to isolate and enumerate enterococci in food and pharmaceutical products. It is also used for the enumeration of enterococci animal feed.
The typical composition responds to that defined in the mandatory application directives NF EN ISO 7899-2 and NF T90-421, for the confirmation of enterococci in water and in swimming pool water.
Available in 500g container (dehydrated medium).
Also available in ready-to-melt medium : 10 vials of 100 ml (BM10408).
In compliance with regulatory requirements, a USDA permit (VS 16-3) is mandatory for shipments from Canada to the USA due to the inclusion of peptone, an animal byproduct.
Sodium azide inhibits contaminating Gram-negative bacteria.
Bacteriological bile inhibits the growth of Gram-positive microorganisms.
Enterococci hydrolyze esculin to glucose and esculetin. The esculetin produced forms a black complex in the presence of ferric ions arising from ferric citrate in the medium
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