Starch Agar

Supplier: VWR International

AD-MM1039-100G AD-MM1039-500G
470317-442EA 61.85 USD
470317-442 470317-444
Starch Agar
Media for Microbiology Prepared Media for Microbiology

Used to determine if bacteria produce extracellular enzymes to catalyze the hydrolysis of starch. Organisms that produce a starch hydrolyzing enzyme will display a clear zone around the area of growth while other areas of the agar containing starch will turn blue-black.


  • Starch agar is inoculated and incubated at 37 °C
  • After 48 hours the surface of the agar is flooded with potassium/potassium iodide solution


To prepare media, add 25 g of starch agar to a liter of distilled or de-ionized water. Follow instructions. The media will not be sterile until autoclaved prior to use.

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