Phenol Red Lactose Broth

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SKU:
M275
For detection of lactose fermenting bacteria.


Phenol Red Lactose Broth is recommended for studying lactose fermentation by the pure cultures of microorganisms. Positive reaction is indicated by the change in colour of medium to yellow due to acid production as indicated by phenol red, a pH indicator in the medium. Gas production is indicated by the bubbles formation and entrapped in Durhams tube. Escherichia coli, Enterobacter aerogenes and Klebsiella pneumoniae are known lactose fermentors and gives positive reaction. Proteus vulgaris, Salmonella Typhi, Salmonella Typhimurium and Shigella flexneri do not ferment lactose, hence there is no colour change of the medium.
More Information
Product Name Phenol Red Lactose Broth
SKU M275
Product Type Regular
Physical Form Powder
Origin Animal
Packaging type HDPE
References 1. Koneman E. W., Allen S. D., Janda W.M., Schreckenberger P.C., Winn W.C. Jr., 1992, Colour Atlas and Textbook ofDiagnostic Microbiology, 4th Ed., J. B. Lippinccott Company
2.Vera H. D., 1950, Am. J. Public Health, 40, 1267
3.MacFaddin J. F., 1985, Media for Isolation-Cultivation-Identification -Maintenanceof Medical Bacteria, Vol. I, Williamsand Wilkins, Baltimore.
4.Finegold S. M. and Baron E. J., 1986, Bailey and Scotts Diagnostic Microbiology, 7th Ed., The C.V. Mosby Co., St. Louis.
5.Ewing W. H., 1986, Edwards and Ewings Identification of Enterobacteriaceae, 4th ed.,Elsevier Science Publishing Co.,Inc., New York.
6.MacFaddin J. F., 2000, Biochemical tests for Identification of Medical Bacteria, 3rd edi., Lippincott, Williams and Wilkins,Baltimore.
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