CATALASE 3% 5/PK, Pack of 5

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A Catalase test is useful for the identification of many different bacteria. Since Streptococci lack the enzyme to catalyze hydrogen peroxide, and all Staphylococci possess it, 3% Catalase is used to separate the species. Also, Listeria monocytogenes, which is catalase positive can be differentiated from beta-hemolytic Streptococci. Most Neisseria species are catalase positive. 15% Catalase is used for anaerobes, with most anaerobes being catalase negative with the exceptions of several species in the B. fragilis group and a few of the anaerobic cocci. 30% Catalase is used with acid fast bacilli.