Comparative study of Aspergillus mycotoxin production on enriched media and construction material

P. Ren, D. G. Ahearn, S. A. Crow

Research output: Contribution to journalArticlepeer-review

28 Scopus citations


Isolates of Aspergillus flavus and Aspergillus fumigatus from indoor air were compared with a known mycotoxin producer for their capacity to produce mycotoxins on a variety of enrichment media and with growth on-indoor substrates such as ceiling tile and wall board. In enrichment media, four of seven isolates of A. flavus produced at least one aflatoxin and both isolates of A. fumigatus produced mycotoxins. The spectrum of mycotoxins and their concentrations varied with the strain and medium. When the mycotoxin-positive strains were grown to a dense concentration on indoor construction and finishing materials such as ceiling tile and wall boards, mycotoxins were not detected in extracts of the materials. Colonization of indoor surfaces by mycotoxin-producing strains of A. flavus and A. fumigatus may not necessarily expose inhabitants to mycotoxins or result in production of mycotoxins.

Original languageEnglish (US)
Pages (from-to)209-213
Number of pages5
JournalJournal of Industrial Microbiology and Biotechnology
Issue number3
StatePublished - 1999
Externally publishedYes


  • Aspergillus
  • Ceiling tiles
  • Mycotoxin

ASJC Scopus subject areas

  • Biotechnology
  • Bioengineering
  • Applied Microbiology and Biotechnology


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