Aspergillus Differentiation Agar (Base)

suitable for microbiology, NutriSelect® Plus

AFPA (Base)

Quality Level





shelf life

limited shelf life, expiry date on the label


agar, 15 g/L
dichloran, 0.002 g/L
ferric ammonium citrate, 0.5 g/L
peptic digest of animal tissue, 10 g/L
yeast extract, 20 g/L


NutriSelect® Plus


microbiology: suitable (microbial identification)

final pH

6.3±0.2 (25 °C)

Featured Industry

Food and Beverages


selective and differential for Aspergillus spp.

Related Categories


Aspergillus Differentiation Agar (Base) has been used in the cell culture of Aspergillus flavus and Aspergillus parasiticus.

Preparation Note

Suspend 22.75 g in 500 ml distilled water. Heat to boiling to dissolve the medium completely. Sterilize by autoclaving at 121°C for 15 minutes. Cool around 50°C and aseptically add sterile rehydrated contents of 1 vial of Chloramphenicol Selective Supplement (Cat. No. 29231). Mix well.


We offer two media types: the superior granulated GranuCult® and the cost-efficient powdered NutriSelect® culture media, depending on your needs.
The designations basic, plus, or prime are added to indicate the quality control level, from basic quality control to standard QC plus to prime for full regulatory compliance.

Legal Information

GRANUCULT is a registered trademark of Merck KGaA, Darmstadt, Germany
NutriSelect is a registered trademark of Merck KGaA, Darmstadt, Germany

Personal Protective Equipment

dust mask type N95 (US),Eyeshields,Gloves


NONH for all modes of transport

WGK Germany


Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificate of Analysis

Certificate of Origin

Response of Aspergillus flavus spores to nitric oxide fumigations in atmospheres with different oxygen concentrations
Liu Y B, et al.
Journal of Stored Products Research, 83, 78-83 (2019)
Hsin-Bai Yin et al.
Poultry science, 94(9), 2183-2190 (2015-07-29)
Aflatoxins (AF) are toxic metabolites primarily produced by molds, Aspergillus flavus and Aspergillus parasiticus. Contamination of poultry feed with AF is a major concern to the poultry industry due to severe economic losses stemming from poor performance, reduced egg production...

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