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TRANSFER COEFFICIENTS FOR LISTERIA MONOCYTOGENES TO AND FROM FOOD CONTACT SURFACES FOUND IN MEAT FABRICATION FACILITIES

Investigators
Tamplin, Mark
Institutions
Michigan State University
Start date
2003
End date
2006
Objective
Determine the effect of temperature and relative humidity on growth and die-off of L. monocytogenes on high-density polyethylene (HDPE) and polyurethane (PU) conveyor belt surfaces used in processing plants. Assess the impact of food contact material, inoculum level, product moisture content, contact time and contact pressure on transfer coefficients for L. monocytogenes from surface-contaminated hams to HDPE and PU and vice versa. Determine a series of transfer coefficients for L. monocytogenes from inoculated HDPE and PU contact surfaces to ham and vice versa for fifteen subsequent contacts on the same surface initially contaminated with different levels of L. monocytogenes. Develop a mathematical model based on data from the previous objectives that will express and quantify transfer potentials for Listeria cross contamination within the food processing environment.
Funding Source
Agricultural Research Service
Project source
View this project
Project number
1935-42000-057-04G
Accession number
407287
Categories
Prevention and Control
Bacterial Pathogens
Listeria
Commodities
Meat, Poultry, Game