Ornithine Decarboxylase Broth

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M1223
Recommended for detection of the ability of microorganisms to decarboxylate ornithine. The composition and performance of this media are as per specifications laid down in in ISO /TS 22964: 2017.


Ornithine Decarboxylase Broth is recommended for detection of the ability of microorganisms to decarboxylate ornithine. The composition and performance of this media are as per specifications laid down in in ISO /TS 22964: 2017. This medium is based on the Taylors modification and is recommended by the ISO Committee for the detection of ornithine decarboxylation by Yersinia enterocolitica. If the organism produces the appropriate enzyme, i.e. decarboxylase, the amino acid (ornithine) in the medium is degraded, yielding a corresponding amine. Decarboxylation of ornithine yields putrescine. The production of this amine elevates the pH of the medium towards alkalinity, changing the color of the indicator from yellow to purple or violet. If the organism does not produce the appropriate enzyme,the medium remains acidic or yellow in colour.
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Product Name Ornithine Decarboxylase Broth
SKU M1223
Product Type Regular
Physical Form Powder
Origin Animal Free (Microbial)
Packaging type HDPE
References 1.Smith D.T., Coant N.F., Willett H.P., Zinssers Microbiology, 14th Ed., New York: Appleton-Century-Crofts, 1968:118-1192.Moeller V., 1955, Acta Pathol. Microbiol. Scand. 36 (2): 158-1723.MacFaddin J.F., 2000, Biochemical Tests for Identification of Medical Bacteria, 3rd Ed., Lippincott, Williams and Wilkins,Baltimore.4.Taylor W.I., 1961, Appl. Microbiol., 9:487.5.International Organization for Standardization (ISO), 1994, Draft ISO/DIS 10273.
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