Related Experiment Videos
Control options for Listeria monocytogenes in seafoods
H H Huss1, L V Jørgensen, B F Vogel
1Danish Institute for Fisheries Research, Department of Seafood Research, Technical University of Denmark, Lyngby. fish@ffl.min.dk
International Journal of Food Microbiology
|January 13, 2001
Summary
Seafood can be contaminated with Listeria monocytogenes, a bacterium found in the environment. Effective control requires preventing its growth in ready-to-eat products and implementing robust cleaning programs.
Area of Science:
- Food Microbiology
- Environmental Microbiology
- Food Safety
Background:
- Listeria monocytogenes is a significant foodborne pathogen, frequently associated with seafood contamination and outbreaks.
- This bacterium is ubiquitous in aquatic environments, leading to potential contamination of seafood during harvesting and processing.
- Low levels of L. monocytogenes are commonly detected on seafood, including ready-to-eat (RTE) products, posing a public health risk.
Purpose of the Study:
- To highlight the risks associated with Listeria monocytogenes in seafood.
- To emphasize the need for inhibiting bacterial growth in final seafood products.
- To outline preventive strategies for controlling L. monocytogenes in the seafood industry.
Main Methods:
- Review of reported listeriosis outbreaks linked to seafood consumption.
- Analysis of the environmental distribution of Listeria monocytogenes.
- Evaluation of contamination points in seafood processing.
- Assessment of control measures, including cleaning, sanitization, and growth inhibition.
Main Results:
- Seafood is a known vehicle for Listeria monocytogenes, with documented outbreaks.
- Environmental sources, including water and fish, contribute to seafood contamination.
- Recontamination during processing is a key issue, especially for ready-to-eat (RTE) products.
- Effective heat treatment is available, but post-processing control is crucial.
Conclusions:
- Preventing Listeria monocytogenes growth in seafood, particularly RTE products, is essential.
- Comprehensive cleaning and sanitization programs in processing facilities are critical.
- Preventive measures must address environmental control, post-processing safety, and growth inhibition within shelf-life parameters.
- Utilizing established sampling plans, such as those from the International Commission on Microbiological Specifications for Foods, is recommended for monitoring.