Esculin Hydrolysis Test- Principle, Procedure, Results, Uses

Esculin Hydrolysis Test- Principle, Procedure and Result Interpretation

What is the Esculin Hydrolysis Test? Esculin hydrolysis is a useful test in the differentiation of both gram-positive and gram-negative bacteria covering a broad spectrum of aerobes, facultative anaerobes, and anaerobes. Esculin hydrolysis is utilized as a taxonomic tool in the identification of a wide variety of microorganisms, including the family Enterobacteriaceae, genera Streptococcus and Listeria, non-fermentative gram-negative bacilli, and …

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Bile Esculin Test- Principle, procedure, results, uses, limitations

Bile Esculin Test

What is the Bile Esculin Test? The bile-esculin test is a biochemical test performed to differentiate Enterococci and group D Streptococci from non-group D viridans group Streptococci on the basis of their ability to hydrolyze esculin. Many organisms are capable of hydrolyzing esculin, but only a few of them can do so in the presence of bile (4% bile salts …

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