1.Listeria species in environmental samples from the food plant were detected by 3M Petrifilm by identifying the 210 typical colonies and 70 nontypical colonies from 112 environmental samples.

1.摘要共采集112环境样本，挑取210典型菌落，70非典型菌落进行，估3M测试片对食品加工环境中李斯特菌的检测能力。