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.

摘要共采集112个本，挑取了210个典型菌落，70个非典型菌落进行鉴定，评估3M测试品加工中李斯特菌的检测能力。