Welcome to the Refreshed Chemopharm Webstore!
Pre-order (delivery in 8 to 12 weeks)


Login For Price
Lysine Decarboxylase Broth is used to detect and differentiate Enterobacteria from other microorganisms, based on lysine decarboxylation. Gelatin peptone provides nitrogen, vitamins, minerals and amino acids essential for growth.Yeast extract is a source of vitamins, particularly of the B-group. Dextrose is the fermentable carbohydrate. Bromocresol purple is the pH indicator. Lysine is added to detect the production of the specific enzyme. When the medium is inoculated with a bacterium that is able to ferment dextrose, the acid produced lowers the pH of the medium and changes the color of the indicator from purple to yellow. The acidic condition also stimulates decarboxylase activity. The bacteria that decarboxylate the L-Lysine to cadaverine are identified by the presence of a purple-red color. The production of these amines elevates the pH of the medium. A yellow color after 24 hours indicates a negative result. By substituting L-Lysine with Arginine or Ornithine, the new resulting medium (Falkow Broth Base) can be used to study the decarboxylation of these amino acids.
More Information
Write Your Own Review
You're reviewing:LYSINE DECARBOXYLASE BROTH 500 grams/bottle
Your Rating
Who Viewed This Also Viewed
  1. NucleoSpin Blood (50)
    NucleoSpin Blood (50) Brand: MACHEREY-NAGEL SKU: MN/BIO/740951.50
    Login For Price
  2. Hypersil ODS C18 Column 150X2.1 3um
    Hypersil ODS C18 Column 150X2.1 3um Brand: COLE-PARMER SKU: CP/P-01887-33
    Login For Price
  3. 5-way Clamp inc Silicone Strap and Handle (StarFish )
    5-way Clamp inc Silicone Strap and Handle (StarFish ) Brand: HEIDOLPH SKU: HD/505-81020-00
    Login For Price
  4. Dewar Low Form 7.6inID
    Dewar Low Form 7.6inID Brand: COLE-PARMER SKU: CP/OO/O/P-03771-27
    Login For Price
  5. Bottle Reagent 1.0L
    Bottle Reagent 1.0L Brand: COLE-PARMER SKU: CP/OO/O/P-01919-91
    Login For Price