bile esculin test

bile es·cu·lin test

a biochemical test used in characterizing group O streptococci, based on the ability of organisms to grow in a medium containing bile and to hydrolyze esculin.
References in periodicals archive ?
In 1982 Facklam and colleagues proposed the PYR (pyrrolidonyl arylamidase) test be used in conjunction with the CAMP (Group B streptococci diffusible protein) and bile esculin tests to presumptively identify the streptococci.