| esculin | <chemistry> A glucoside obtained from the aesculus hippocastanum, or horse-chestnut, and characterised by its fine blue fluorescent solutions. Alternative forms: aesculin. See: Esculic. Source: Websters Dictionary (01 Mar 1998) |
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| bile esculin 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. (05 Mar 2000) |
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