ENUMERATION OF ESCHERICHIA-COLI IN COOKED AND RAW MEATS BY ION MOBILITY SPECTROMETRY

被引:18
作者
OGDEN, ID
STRACHAN, NJC
机构
[1] Ministry of Agriculture Fisheries and Food, Aberdeen, Torry Research Station
来源
JOURNAL OF APPLIED BACTERIOLOGY | 1993年 / 74卷 / 04期
关键词
D O I
10.1111/j.1365-2672.1993.tb05145.x
中图分类号
Q81 [生物工程学(生物技术)]; Q93 [微生物学];
学科分类号
071005 ; 0836 ; 090102 ; 100705 ;
摘要
A novel method for enumerating Escherichia coli in foods is described. It is based on the production of o-nitrophenol (ONP) from o-nitrophenyl-beta-D-glucuronide as detected by an ion mobility spectrometer. The time taken for the detection of ONP in a food sample was inversely proportional to the logarithm of the initial E. coli population. Escherichia coli could be detected at a level of 10 g-1 within 9 h.
引用
收藏
页码:402 / 405
页数:4
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