Aflatoxin Control in Maize by Trametes versicolor
2014
Marzia Scarpari | Cristiano Bello | Chiara Pietricola | Marco Zaccaria | Luigi Bertocchi | Alessandra Angelucci | Maria Ricciardi | Valeria Scala | Alessia Parroni | Anna Fabbri | Massimo Reverberi | Slaven Zjalic | Corrado Fanelli
Aspergillus flavus is a well-known ubiquitous fungus able to contaminate both in pre- and postharvest period different feed and food commodities. During their growth, these fungi can synthesise aflatoxins, secondary metabolites highly hazardous for animal and human health. The requirement of products with low impact on the environment and on human health, able to control aflatoxin production, has increased. In this work the effect of the basidiomycete Trametes versicolor on the aflatoxin production by A. flavus both in vitro and in maize, was investigated. The goal was to propose an environmental loyal tool for a significant control of aflatoxin production, in order to obtain feedstuffs and feed with a high standard of quality and safety to enhance the wellbeing of dairy cows. The presence of T. versicolor, grown on sugar beet pulp, inhibited the production of aflatoxin B1 in maize by A. flavus. Furthermore, treatment of contaminated maize with culture filtrates of T. versicolor containing ligninolytic enzymes, showed a significant reduction of the content of aflatoxin B1.
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