Isolation and identification of spoilage molds from fresh- cut lettuce

The spoilage molds which cause fresh- cut lettuce corruption were identified.According to morphological character method,46 strains of molds were isolated from fresh- cut lettuce,in which there were 28 Penicillium strains,13 Aspergillus strains,3 Cladosporium strains and 2 Fusarium strains.The different molds were identified by the cultivation characters and microscopic examination in different medium including CA,CYA,CY20 S,G25N,and CMA.The results showed that 3 kinds of Penicillium were identified,including P.aurantiogriseum,P.viridicatum,P.oxalicum.2 kinds of Aspergillus were A.awamori and A.melleus.1 kind of Cladosporium was C.cladosporioides.