2.4. Identification of fungi
The isolated Aspergillus sp. and Penicillium sp. were grown in Czapek yeast autolysate (CYA) agar and Malt extract agar (MEA). The genus Penicillium was identified according to Pitt (2000) and Samson et al. (2002), and identification of species in the genera Aspergillus and Eurotium was performed according to Klich and Pitt (1988), Samson et al. (2004) and Frisvad et al. (2004). The other isolates were identified according to descriptions of Pitt and Hocking (2009) and Samson et al. (2002), supplemented with other sources when necessary.