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. [1]

See also

References


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Some of the initial content on this page may be incorporated in part from copyleft sources in the public domain including wikis such as Wikipedia and AskDrWiki. Drug information for patients came from the The National Library of Medicine. Infectious disease information may have come from the Centers for Disease Control (CDC). Differential Diagnoses are drawn from clinicians as well as an amalgamation of 3 sources: 1.The Disease Database; 2. Kahan, Scott, Smith, Ellen G. In A Page: Signs and Symptoms. Malden, Massachusetts: Blackwell Publishing, 2004:3; 3. Sailer, Christian, Wasner, Susanne. Differential Diagnosis Pocket. Hermosa Beach, CA: Borm Bruckmeir Publishing LLC, 2002:7 .

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