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标题：Study of the population dynamics of Listeria monocytogenes and Pseudomonas fluorescens in buffalo-milk mozzarella cheese by means of challenge testing
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作者：Donatella Nava ; Salvatore Capo ; Vincenzo Caligiuri 等
期刊名称：Italian Journal of Food Safety
电子版ISSN：2239-7132
出版年度：2016
卷号：5
期号：3
DOI：10.4081/ijfs.2016.5690
语种：English
出版社：PAGEPress Publications
摘要：Campania buffalo mozzarella is a greatly appreciated cheese in Italy and worldwide. From a microbiological standpoint, it is a highly perishable food and potentially at risk of contamination by pathogens such as Listeria monocytogenes ( L. monocytogenes ). The present paper reports the results of a challenge test carried out with the aim to assess the population dynamics of L. monocytogenes , alone and in the presence of Pseudomonas fluorescens ( Ps. fluorescens ), in buffalo mozzarella. For this purpose buffalo mozzarella samples were contaminated with L. monocytogenes alone or combined with Ps. fluorescens . In samples wherein L. monocytogenes was inoculated alone, the bacterial load remained unchanged. By contrast, in samples contaminated with L. monocytogenes and Ps. fluorescens , the growth of L. monocytogenes was increased.
关键词：Campania buffalo mozzarella cheese;Challenge test;Listeria monocytogenes; Pseudomonas fluorescens