Listeria monocytogenes Risk Assessment: Executive Summary
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Characteristics and practices that may lead to Listeria monocytogenes contamination in retail delis
Wang, Jingjin. M.S., Purdue University, May 2014. Characteristics and Practices that May Lead to Listeria monocytogenes Contamination in Retail Delis. Major Professor: Haley F. Oliver. The foodborne pathogen, Listeria monocytogenes, can contaminate ready-to-eat (RTE) deli meats at retail delis, since retail delis provide an ideal environment for L. monocytogenes growth. Current risk assessment ...
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Background: Listeria monocytogenes is a Gram-positive and facultative anaerobic food-borne bacterium which is capable of intra and extra cellular growth. L. monocytogenes usually can exist on different surfaces and instruments at production and processing sites of food products with animal origin. In Iran, the consumption of burger has increased recently, but its safety is still of great concer...
متن کاملRunning head : Exposure assessment of L . monocytogenes in goat - cheese 1 Retrospective analysis of a Listeria monocytogenes contamination episode in 2 raw milk goat cheese using quantitative microbial risk assessment tools
24 In 2005, the Belgian authorities reported a Listeria monocytogenes contamination episode in 25 cheese made from raw goat’s milk. The presence of an asymptomatic shedder goat in the herd 26 caused this contamination. On the basis of data collected at the time of the episode, a 27 retrospective study was performed using an exposure assessment model covering the 28 production chain from the mil...
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Listeria monocytogenes can cause serious infection and recently, relapse of listeriosis has been reported in leukemia and colorectal cancer, and the patients with Klebsiella pneumoniae are at increased risk of colorectal cancer. Translation initiation codon recognition is basically mediated by Shine-Dalgarno (SD) and the anti-SD sequences at the small ribosomal RNA (ssu rRNA). In this research,...
متن کاملRisk Assessment of Fresh Hispanic Cheeses and Technologies to Improve their Safety
Introduction The safety of fresh, Hispanic cheeses has become increasingly important to American cheese producers because the demand for these types of cheeses is increasing in recent years. The volume of Hispanic cheese produced in the United States increased from 76 million pounds in 2000 to 193 million pounds in 2008 (Service, U.S. D.o.A-N.A.S. 2008). Due to their high moisture and neutral p...
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