ANTIBIOTIC ASSAY MEDIUM NO. 41

Product Code TM 661

  • Description

    Antibiotic Assay Medium No. 41 is used for turbidimetric microbiological assay of thiostreptone, a polypeptide antibiotic. Grove and Randall have elucidated the antibiotic assays and media in their comprehensive treatise on antibiotic assays.
    Turbidimetric antibiotic assay is based on the change or inhibition of growth of a test microorganims in a liquid medium containing a uniform concentration of an antibiotic. After incubation of the test orgainism in the working dilutions of the antibiotics, the amount of growth is determined by measuring the light transmittance using spectophotometer. The concentration of antibiotic is determined by comparing amounts of growth obtained with that is given by the reference standard solutions. Use of this method is appropriate only when test samples are clear.

  • Principle

    for the microbiological assay of Thiostrepton using Streptococcus faecium as the test organism

  • Microorganism

    • Enterococcus hirae
  • Industry

    • NA
  • Regulation

    • NA
  • Pack Size

    • 500 gm
  • Downloads

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