Difco™ Triple Sugar Iron Agar, BD Biosciences

Supplier: BD CANADA MICROBIOLOGY CA

226540
CA90001-896EA 213.19 CAD
CA90001-896
Difco™ Triple Sugar Iron Agar, BD Biosciences
Media for Microbiology Additives and Supplements for Microbiology

Triple Sugar Iron Agar (TSI Agar) is used for the differentiation of Gram-negative enteric bacilli based on carbohydrate fermentation and the production of hydrogen sulfide.


  • Contains three sugar: dextrose, lactose, and sucrose
  • Phenol red for detecting carbohydrate fermentation
  • Ferrous ammonium sulfate detects hydrogen sulfide production
  • Dehydrated appearance: Pink, free-flowing


The addition of sucrose to the double sugar formulation of Kligler Iron Agar increased the sensitivity of the medium by facilitating the detection of sucrose-fermenting bacilli, as well as lactose and/or dextrose fermenters.

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