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Survey of Vietnamese coffee beans for the presence of ochratoxigenic Aspergilli

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Abstract

Vietnamese coffee beans were investigated for the presence of ochratoxigenic Aspergilli. Ninety-three percent of the coffee samples studied were positive for A. niger. No other ochratoxigenic species were present. HPLC analysis determined that 8.7% of the A. niger strains were positive for ochratoxin A (OA) production. There was no significant difference in the level of contamination or incidence of toxigenic strains in samples that had been rejected by manual sorting and those that were destined for human consumption. No OA-producing fungi were uncovered in a fresh coffee bean sample analysed, suggesting that the OA problem most likely occurs post-harvest.

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Author notes

  1. N. Tran-Dinh

    Present address: Food Science Australia, CSIRO, North Ryde, Sydney, Australia

Authors and Affiliations

  1. School of Molecular and Microbial Biosciences, University of Sydney, NSW, 2006, Australia

    Z. Ilic, T. Bui, N. Tran-Dinh & D. Carter

  2. Department of Agricultural Chemistry and Soil Science, University of Sydney, NSW, 2006, Australia

    I. Kennedy

  3. Post-Harvest Technology Institute, Ho Chi Minh City, Vietnam

    M. H. V. Dang

Authors
  1. Z. Ilic
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  2. T. Bui
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  3. N. Tran-Dinh
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  4. M. H. V. Dang
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  5. I. Kennedy
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  6. D. Carter
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Corresponding author

Correspondence to D. Carter.

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Ilic, Z., Bui, T., Tran-Dinh, N. et al. Survey of Vietnamese coffee beans for the presence of ochratoxigenic Aspergilli. Mycopathologia 163, 177–182 (2007). https://doi.org/10.1007/s11046-007-0099-0

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  • DOI: https://doi.org/10.1007/s11046-007-0099-0

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