Preventing Listeria in Milk and Dairy Products: The Importance of Environmental Monitoring and Assessment in the Entire Production Chain

Listeria in milk

Pathogen Contamination Routes and Ways to Reduce Risks

In today’s world, food safety stands out as one of the most pressing and indispensable concerns for public health. We’re specifically addressing the menace of pathogens, such as E. coli, Listeria, and Salmonella sp, capable of causing illnesses through the consumption of contaminated products. Listeria in milk and other dairy products is a particular concern.

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Risks and Control Measures for Listeria monocytogenes in Fish Products

listeria monocytogenes in fish

Listeria monocytogenes, the pathogenic member of the Listeria family with the potential to harm humans, requires comprehensive understanding due to the grave threat of listeriosis. This disease follows a complex course and bears a substantial fatality rate. It is essential to prioritize the strict control of the transmission of listeria in fish products.

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The Complementary Work of ATP and Pathogen Testing in Environmental Monitoring after Cleaning

ATP and pathogen testing

Ever wondered how clean your food production facility really is? It’s easy to give surfaces a once-over with the naked eye, but it takes much more to know they’re free from harmful bacteria and other contaminants. That’s where ATP hygiene monitoring comes in. It’s your first line of defence against potential contamination hotspots! But what is the difference between ATP analysis and a pathogen analysis on cleaned surfaces in environmental monitoring of Food Safety? 

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Maintaining Food Safety Standards: A Comprehensive Guide to Listeria monocytogenes and Salmonella Control Compliance

outbreaks of foodborne illnesses

Recent notable outbreaks of foodborne illnesses caused by Listeria monocytogenes and Salmonella spp. have prompted a proactive approach in searching for effective methods of eliminating pathogen risk. Processing environment monitoring is key. The value of sampling the production and processing environment is highlighted in European regulation EU2073/2005 to identify and prevent pathogens in food products. 

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Evaluating the test performance of N-Light L. monocytogenes in the field

Display of sushi

NEMIS conducted an in-depth field study at a ready-to-eat sushi production site to assess the real performance of the N-Light™ Listeria monocytogenes test. While many competitors typically conduct performance tests in controlled laboratory settings, the objective was to take a more bold and honest approach by evaluating the test’s performance directly in the field.

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A letter from a NEMIS customer

St. James Smokehouse and NEMIS Technologies

The importance of screening Listeria monocytogenes in a food production environment cannot be overstated. This bacterial pathogen poses risks to manufacturers, making it crucial to implement reliable and efficient pathogen screening systems. St. James Smokehouse, an esteemed producer of premium smoked salmon, recognizes the paramount importance of product safety. Since integrating the innovative N-LightTM Listeria monocytogenes screening solution, St. James Smokehouse has experienced remarkable improvements in product safety. 

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Listeria monocytogenes in Fresh and Ready-to-Eat Produce: common sources and potential hazards

Listeria

Have you heard of Listeria monocytogenes? This tricky bacterium can cause severe illnesses, especially for those of us who fall into the YOPI group (young, old, pregnant, immunosuppressed). What makes Listeria monocytogenes so concerning? It has some impressive abilities to survive and multiply in conditions that would typically hinder most other bacteria, like cold temperatures, acidic environments, and high salt content. Out in the field where the organisms come from, it poses no threat and is referred to as a saprophyte. However, most food manufacturers unknowingly allow Listeria monocytogenes into their facilities daily. As a result, every batch of raw materials has the potential to harbour this bacterium. Listeria in produce is common. Despite this, most raw and fresh produce is consumed without causing illness.  

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Sampling techniques for detecting Salmonella spp and Listeria monocytogenes in food production

Sampling in food production

When detecting Salmonella spp and Listeria monocytogenes in food production, it is essential to consider the environments in which these pathogens thrive. For example, Salmonella spp tends to exist in dry environments such as flour, bakery products, biscuits, chocolate, herbs, spices, milk powder, and cheese powder. On the other hand, Listeria monocytogenes prefers wet and cold environments and can spread through regular cleaning, especially in refrigerated areas that are cleaned every 8-12 hours. In contrast, dry milk plants may only be wet cleaned once a month or every two months, and dry cleaning is less effective than wet cleaning. That’s why proper Listeria and Salmonella sample collection are key to food safety.  

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Comparison of environmental regulatory requirements for Salmonella and L.mono

Pathogene detection

Ensuring the safety of our food is crucial, and the food industry must effectively control the spread of harmful pathogens like Salmonella and Listeria monocytogenes. The regulations governing these bacteria differ based on the type of food product and jurisdiction. This article will delve into Salmonella and Listeria testing requirements along with specific regulatory requirements for both Salmonella and Listeria, emphasizing the key differences and important measures in place. 

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The need for self-control programs concerning Listeria monocytogenes

self-control program for listeria monocytogenes

Listeriosis is a severe bacterial infectious disease caused mainly by contaminated food. Therefore, food producers must take protective measures to ensure their products’ quality and safety. As part of a nationwide inspection conducted by Swiss authorities, investigative efforts were carried out in over 100 food businesses to assess the fulfillment of their obligations. The findings revealed urgency for improvement in Listeria control.

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