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Keywords:

  • Equisetum arvense;
  • Aspergillus flavus;
  • Fusarium verticillioides;
  • plant extracts

Abstract

Background

Maize is a very important cereal for human and animal diet, but it can be contaminated by moulds and their mycotoxins. On the other hand, natural plant products with antimicrobial properties could possibly used to control mycotoxigenic fungi in foods and feeds. In this study, Equisetum arvense extract was tested for the efficacy on Aspergillus section Flavi and Fusarium section Liseola growth. Natural contaminated maize was used in this study and extract was added under different water activities (aw) – 0.90 and 0.95 – for Aspergillus section Flavi and Fusarium section Liseola, respectively. Moulds were inoculated in maize and incubated during 30 days.

Results

We confirm that E. arvense extract may be effective for the inhibition of Aspergillus section Flavi in maize with high levels of this mould. Moreover, this extract showed a good inhibition of growth on Fusarium section Liseola levels. Aflatoxin and fumonisin production was not affected by the extract.

Conclusions

E. arvense extract could be an alternative to synthetic fungicides to control maize mycobiota level in moist grain. © 2013 Society of Chemical Industry