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Prevention of Listeria in food processing plants


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#1 rbrock2004

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Posted 11 March 2010 - 02:38 PM

I understand the Effective control of L. monocytogenes requires prevention of contamination (to the extent possible) and prevention of growth through time/temperature or formulation control. Knowledge of potential harborage sites is important, as contamination is more likely to occur when the organism has become established in a niche. Food processing plant surveys have found Listeria in the following locations (listed approximately in the order of prevalence):

  • floors
  • drains
  • coolers
  • cleaning aids such as brushes, sponges, etc.
  • product and/or equipment wash areas
  • food contact surfaces
  • condensate
  • walls and ceilings
  • compressed air
Does anyone have sources of slide shows to better illustrate Listeria prevention ?

#2 rahul

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Posted 12 March 2010 - 07:30 AM

pLS GO TO www.fsis.usda.gov you will get valuable information.

Rahul



#3 rbrock2004

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Posted 12 March 2010 - 10:34 PM

Thanks for you assistance



#4 Tony-C

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Posted 13 March 2010 - 02:25 AM

I understand the Effective control of L. monocytogenes requires prevention of contamination (to the extent possible) and prevention of growth through time/temperature or formulation control. Knowledge of potential harborage sites is important, as contamination is more likely to occur when the organism has become established in a niche. Food processing plant surveys have found Listeria in the following locations (listed approximately in the order of prevalence):

  • floors
  • drains
  • coolers
  • cleaning aids such as brushes, sponges, etc.
  • product and/or equipment wash areas
  • food contact surfaces
  • condensate
  • walls and ceilings
  • compressed air
Does anyone have sources of slide shows to better illustrate Listeria prevention ?

I am not sure about your order of prevalence. I would be seriously worried if I found Listeria on food contact surfaces or food contact surface cleaning equipment.

Regards,

Tony

#5 Tony-C

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Posted 13 March 2010 - 02:30 AM

pLS GO TO www.fsis.usda.gov you will get valuable information.

Rahul


Thanks for the link Rahul

This looks quite useful:

http
://origin-www.fsis.usda.gov/Frame/Fram.../harborage.htm

Regards,

Tony




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