Identification of fungi
The isolated Aspergillus (CYA) agar and Malt extract agar (MEA).Thegenus 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 Klictt and Pitt(1998).Samson et al.(2004)and Frisvad et al.(2004).The other isolates were odentified according to descriptions of Pitt and Hocking(2009)and Samson et al.(2002),supplemented with other sources when necessary.