Effect of essential oils on zearalenone and deoxynivalenol production by Fusarium graminearum in non-sterilized maize grain
2004
Marin, S. | Velluti, A. | Ramos, A.J. | Sanchis, V.
The effect of cinnamon, clove, oregano, palmarosa and lemongrass oils on zearalenone (ZEA) and deoxynivalenol (DON) accumulation by one isolate of Fusarium graminearum in non-sterilized naturally contaminated maize grain at 0.995 and 0.950 aw and at 20 °C and 30 °C was evaluated at a 500 mg kg-1 level. Efficacy of essential oils was found to be poor, clove essential oil being that with a broader applicability. In general, competing mycoflora seemed to control to a large extent ZEA and DON accumulation, and then the effectiveness of essential oils could only be observed under certain environmental conditions, 0.950 aw/30 °C for ZEA, and 0.995 aw/30 °C for DON. Better results might be obtained by applying higher dosages; sensory quality, however, should not be compromised.
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