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SURVIVAL OFSALMONELLA TYPHIMURIUM, LISTERIA MONOCYTOGENESAND INDICATOR BACTERIA ON COOKED UNCURED TURKEY LOAF STORED UNDER VACUUM AT 3°C

 

作者: STEVEN C. INGHAM,   CHERYL L. TAUTORUS,  

 

期刊: Journal of Food Safety  (WILEY Available online 1991)
卷期: Volume 11, issue 4  

页码: 285-292

 

ISSN:0149-6085

 

年代: 1991

 

DOI:10.1111/j.1745-4565.1991.tb00059.x

 

出版商: Blackwell Publishing Ltd

 

数据来源: WILEY

 

摘要:

ABSTRACTSterile slices of cooked uncured turkey loaf were inoculated with 106CFU of eitherSalmonella typhimurium, Listeria monocytogenes, Escherichia coli, Enterococcus faecalis, Citrobacter freundii, Klebsiella pneumoniae,orEnterobacter cloacae.Inoculated samples were vacuum‐packaged and stored at 3 ± 1°C. Microorganisms were enumerated at 0, 3, 6, 9, 12, and 15 days on nonselective media. K. pneumoniaeexhibited the least cold‐tolerance with a log101.70 decrease in numbers. The coliformsE. cloacae, E. coli,andC. freundiihad a survival pattern similar to that ofS. typhimurium,with population decreases of log100.65, 0.82, 1.13, and 0.79, respectively. E. faecalisandL. monocytogeneswere significantly more cold‐resistant, with a decrease of log100.20 and no significant change in numbers, respectively. Survival ofE. faecaliswas not significantly (p<0.01) different than that ofL. monocytogenes,suggesting the use of enterococci as indicators ofL. monocytogenescontamination of processe

 

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