Product number: 7191

BIGGY Agar is used for the isolation and differentiation of Candida spp. in a laboratory setting. BIGGY Agar is not intended for use in the diagnosis of disease or other conditions in humans.

BIGGY Agar is a modification of the formula described by Nickerson. BIGGY Agar, an abbreviation for Bismuth Glucose Glycine Yeast Agar, is also referred to as Nickerson Agar and Nickerson Candida Selective Agar. BIGGY Agar was developed while studying sulfite reduction by Candida spp. Nickerson found that Candida albicans can be differentiated from other Candida spp. on this medium based on colony morphology.

Candidiasis, the most frequently encountered opportunistic fungal infection is usually caused by Candida albicans. Candida tropicalis and Candida (Torulopsis) glabrata infections occur less frequently. Candida spp. are present in samples as a result of environmental contamination, colonization, or an actual disease process.


Formula Liter
Yeast Extract 1 g
Glycine 10 g
Dextrose 10 g
Bismuth Ammonium Citrate 5 g
Sodium Sulfite 3 g
Agar 16 g

Final pH: 6.8 ± 0.2 at 25°C
Formula may be adjusted and/or supplemented as required to meet performance specifications.


  1. Suspend 45 g of the medium in one liter of purified water.
  2. Heat with frequent agitation and boil for one minute to completely dissolve the medium.

Order Details

Product # Product Description
7191A BIGGY Agar, 500 g

Reference Material

7191 - BIGGY Agar, Product Information Sheet [English] [Portuguese]

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