Potato dextrose broth

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A. Niger growing in potato dextrose agar
A. Niger growing in potato dextrose agar

Potato dextrose broth (abbreviated as "PDB") and potato dextrose agar (abbreviated as "PDA") are common microbiological media for culturing both yeast and mold, but usually not bacteria.[1]

Potato extract is made by autoclaving cut-up potatoes with water for 5 to 10 minutes and then decanting off the broth. Dextrose (glucose) is then added (10 g/L) and the medium is sterilized by autoclaving.

Common organisms that can be cultured on PDA are yeasts such as Candida albicans and Saccharomyces cerevisiae and molds such as Aspergillus niger. [2]

[edit] See also

[edit] References

  1. ^ Harold Eddleman, Ph. D: Bacteria Media From Potato. Jan 1998. http://www.disknet.com/indiana_biolab/b029.htm. Accessed 29 May 2005.
  2. ^ Merck KGaA: Potato Dextrose Broth. 2002. [1]. Accessed 29 May 2005.
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