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  • 1 Central Environmental and Food Science Research Institute Unit of Microbiology H-1022 Budapest Herman Ottó út 15 Hungary
  • 2 Corvinus University of Budapest Department of Refrigeration and Livestock Products Technology, Faculty of Food Science H-1118 Budapest Somlói út 14-16 Hungary
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The effect of water activity (0.85–0.99 aw) and temperature (20–35 °C) on growth of two potentially toxigenic moulds, Aspergillus niger and Penicillium expansum, were studied. On the basis of the measured colony diameter ComBase DMFit program was used to estimate the lag phase and growth rate. Similar results may provide basis for the risk assessment of fungal growth (and also for the possible mycotoxin contamination) in food and feed plants in the vegetation season due to the climate change (global warming), and also during unfavourable storage conditions.

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