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Lysine Iron Agar

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SKU:

M377

For the differentiation of enteric organisms especially Salmonella Arizonae based on their ability to decarboxylate or deaminate lysine and to form hydrogen sulphide (H2S).

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Lysine Iron Agar is recommended for differentiation of enteric organisms especially Salmonella arizonae, based on their ability to decarboxylate or deaminate lysine and to form hydrogen sulphide (H₂S). Dextrose is a source of fermentable carbohydrate. Ferric ammonium citrate and sodium thiosulphate are indicators of H2S formation. Cultures that produce hydrogen sulphide cause blackening of the medium due to ferrous sulphide production. Lysine decarboxylation causes an alkaline reaction (purple colour) to give the amine cadaverine and the organisms which do not decarboxylate lysine, produce acid butt (yellow colour).

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More Information
Product Name	Lysine Iron Agar
SKU	M377
Product Type	Regular
Physical Form	Powder
Origin	Animal
Packaging type	HDPE
References	1. Moeller V., 1954, Acta. Pathol. Microbiol. Scand., 34:102. 2.Moeller V., 1954, Acta. Pathol. Microbiol. Scand., 34:259. 3.Moeller V., 1955, Acta. Pathol. Microbiol. Scand., 36:158. 4.Falkow, 1958, Am. J. Clin. Pathol., 29:598. 5.Eaton A. D., Clesceri L. S., Rice E. W. and Greenberg A. W., (Eds.), 2005, Standard Methods for the Examination of Water and Wastewater, 21st Ed., APHA, Washington, D.C. 6.Downes F. P. and Ito K., (Eds.), 2001, Compendium of Methods for the Microbiological Examination of Foods, 4th Ed., American Public Health Association, Washington, D.C. 7.Isenberg (Ed.), 1992, Clinical Microbiology Procedures Handbook, Vol. 1. American Society for Microbiology, Washington, D.C. 8.FDA Bacteriological Analytical Manual, 2005, 18th Ed., AOAC, Washington, DC.
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