Product Code TRM 349

  • Description

    MacConkey Agar is the earliest selective and differential medium for cultivation of enteric microorganisms from a variety of clinical specimens. The original MacConkey medium was used to differentiate strains of Salmonella typhosa from members of the coliform group. Formula modifications improved the growth of Shigella and Salmonella strains. These modifications included the addition of 0.5% sodium chloride, decreased agar content, and altered bile salts and neutral red concentrations. The formula improvements gave improved differential reactions between these enteric pathogens and the coliform group. Subsequently MacConkey Agar and Broth have been recommended for use in microbiological examination of foodstuffs and for direct plating / inoculation of water samples for coliform counts. These media are also accepted by the Standard Methods for the Examination of Milk and Dairy Products.
    The medium can be used to separate Mycobacterium fortuitum and M. chelonae from other rapidly growing mycobacteria. MacConkey Agar without Crystal Violet or Salt and MacConkey Agar without Salt are used for isolating and differentiating gram-negative bacilli while suppressing the swarming of most Proteus species. It is recommended in the USP for use in the performance of Microbial Limit Tests.

  • Principle

    for selective isolation and differentiation of lactose fermenting and lactose non-fermenting enteric pathogens

  • Microorganism

    • #Klebsiella aerogenes
    • Enterococcus faecalis
    • Escherichia coli
    • Proteus vulgaris
    • Salmonella Typhimurium
    • Shigella flexneri
  • Industry

    • Clinical Diagnostics
  • Regulation

    • NA
  • Pack Size

    • 100 ml x 25
  • Downloads

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