Potato Dextrose Agar

Potato Dextrose Agar is a solid medium recommended for the general-purpose cultivation and isolation of yeasts and molds from foods, dairy and cosmetics.

Potato Dextrose Agar meets United States Pharmacopeia (USP), European Pharmacopoeia (EP) and Japanese Pharmacopoeia (JP)1-3 performance specifications, where applicable.

Principles: The nutritionally rich base provided by Potato Infusion and Dextrose encourages mold sporulation and pigment production in some fungi. Lowering the pH to 3.5 ± 0.1 with the addition of Tartaric Acid inhibits bacterial growth and aids in the isolation of fungi. Please note reheating the acidified medium will hydrolyze the gelifying agent Agar.

Note Tartaric Acid for acidification can be found at the links below:

Tartaric Acid 10% solution

Tartaric Acid Anhydrous

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Item No. Alt. Part No. Brand Name Mfr. Item No. Packaging Unit of Measure Your Cost Purchase
Potato Dextrose Agar
3097-21
EF0013-17-6 Difco 213400 500 gram Each
$189.51
Add to Cart 10 In Stock 10 In Stock
Potato Dextrose Agar
3097-24
Difco 213200 2 kg Each
$758.46
Add to Cart This item is not currently stocked. Allow 1-2 weeks. Please call us at 800-328-8378 if you'd like us to keep stock in the future In Stock
Potato Dextrose Agar
3114-20
Criterion C6621 500 gram Each
$67.50
Add to Cart 5 In Stock 5 In Stock
Potato Dextrose Agar
3114-30
Criterion C6622 2 kg Each
$249.37
Add to Cart 2 In Stock 2 In Stock
Potato Dextrose Agar
3116-65
Alpha Biosciences P16-109 500 gram Each
$40.97
Add to Cart 10 In Stock 10 In Stock
Potato Dextrose Agar
3116-66
Alpha Biosciences P16-109 2 kg Each
$151.38
Add to Cart 6 In Stock 6 In Stock