Aliquots of 0.1mLwere plated in acidified (pH ¼ 3.5) potato dextrose agar (Insulab, Valencia, Spain) and the plates were incubated at 25 C for 7 d before microbial counting (Pitt and Hocking, 1997).
Aliquots of 0.1mLwere platedin acidified (pH ¼ 3.5) potato dextrose agar (Insulab, Valencia,Spain) and the plates were incubated at 25 C for 7 d before microbialcounting (Pitt and Hocking, 1997).