利用生物发光对存在竞争性微生物群落时鼠伤寒沙门氏菌的热失活进行建模。
Use of bioluminescence to model the thermal inactivation of Salmonella typhimurium in the presence of a competitive microflora.
作者信息
Duffy G, Ellison A, Anderson W, Cole M B, Stewart G S
机构信息
Department of Applied Biochemistry and Food Science, Faculty of Agricultural and Food Sciences, University of Nottingham, Loughborough, Leicestershire, United Kingdom.
出版信息
Appl Environ Microbiol. 1995 Sep;61(9):3463-5. doi: 10.1128/aem.61.9.3463-3465.1995.
Abstract
The survival of Salmonella typhimurium was investigated by bioluminescence and standard plating techniques in pure cultures and in the presence of competitors after the cultures were heated to 55 degrees C for increasing lengths of time. Decimal reduction (D) values increased from 0.43 to 2.09 min in the presence of 10(8) CFU of competitors ml-1, indicating a significant protective effect.
摘要
通过生物发光和标准平板计数技术，研究了鼠伤寒沙门氏菌在纯培养物中以及在存在竞争者的情况下，培养物在55℃加热不同时长后的存活率。在每毫升含有10⁸CFU竞争者的情况下，十进制减少（D）值从0.43分钟增加到2.09分钟，表明存在显著的保护作用。
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