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Listeria monocytogenes

Listeria monocytogenes is recognized as a pathogen of concern in fresh produce handling and processing operations. While it may be isolated from produce growing environments, the potential for contamination and entrenchment in equipment heightens the need for operations to have strong environmental monitoring and sanitation control programs. Through training workshops and the development of guidance documents and various technical resources, United Fresh and members of our Food Safety and Technology Council strive to provide continuous support to the fresh produce industry on Listeria monitoring and control

For more information about Listeria resources, contact Dr. Jennifer McEntire or Dr. Emily Griep.

Listeria Learning Lab

Is your company engaged in the fight against Listeria? Are you willing to share your knowledge with the industry through a fun, interactive experience? Contact us today to brand yourself as an industry leader with our Listeria Learning Lab!

Listeria Learning Lab Exhibitors will have the opportunity to engage with convention attendees in a unique, off-the-show-floor experience, featuring hands-on lessons and activities created by your company, enhancing learning opportunities at the 2019 United Fresh Convention and Expo in Chicago, IL on June 11, 2019!

This event will be widely promoted and anyone with a 2019 Expo pass is welcome to attend the Lab! While you aren’t permitted to eat or drink in most labs, this event will include a reception & bar for the Food Safety Community, sponsored by GLOBAL G.A.P.

Click here to download an application today! 

Listeria Training Resources

The Listeria Workshop

The Listeria Workshop will bring together attendees from various food companies, including growers, shippers, packers, retailers, suppliers and food safety consultants in the fresh produce industry. The Workshop itself will feature: general sessions on sanitary design, sanitation best practices and environmental monitoring with breakout sessions, panel discussions, case studies and much more! There will also be a networking reception event on the first night of the event and will feature table top displays from various industry exhibitors!

More workshops will be announced soon. To receive updates on when new courses are announced, complete this form.  

Listeria Workshop Information

 

Strategies for Listeria Control in Tree Fruit Packinghouses
Environmental contamination by Listeria monocytogenes poses a challenge within many packing or processing environments across the entire food industry. Recognizing the importance of preventing initial contamination of whole fruit and to keep their members amongst those at the forefront of food safety, the Washington State Tree Fruit Association proactively approached United Fresh Produce Association to collaborate on a Listeria and environmental monitoring training program specific for the tree fruit industry. Though the focus is on tree fruit within the pacific northwest (apples, pears, and cherries), this training document is applicable to a variety of tree fruit in any region.

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United Fresh Listeria Guidance

Guidance on Environmental Monitoring and Control of Listeria for the Fresh Produce Industry (2nd Ed.)

Listeria monocytogenes is recognized as a pathogen of concern in fresh produce handling and processing operations. This guidance is intended to be applicable to all fresh and fresh-cut produce operations, including field and field packing, packinghouses, and other produce handling operations including re-pack, value-added and transport/distribution to retail/foodservice, recognizing that vulnerability to L. monocytogenes contamination and entrenchment in equipment or a facility will depend on the type(s) and production region of the commodities handled and the nature of the handling.

All produce handling operations are encouraged to use this guidance along with other resources 1) to determine their level of vulnerability to Listeria harborage that may lead to produce contamination and 2) if vulnerable, to develop and implement an effective Listeria monitoring and control program.

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FDA Guidance

Sanitation and Sanitary Design

SANITATION AND SANITARY DESIGN INFORMATION 

Free e-learning modules on Hygienic Design by 3-A Sanitary Standards, Inc. For more information, click here.

The following IFPA Sanitary Design document was created in 2003 for use by processing members in evaluating processing equipment for use in fresh-cut processing facilities. It informs processors about equipment features and assists them in choosing products that best meet their needs for proper sanitation, worker safety and processing efficiency.

The following three resources were created by Commercial Food Sanitation and represent the next evolution to the IFPA Sanitary Design guide. They are downloadable spreadsheets that can be used when purchasing equipment or evaluating a facility. There is no “right” or “cutoff” score; these are communication tools to understand the risks associated with certain designs so that the risks can be managed.

PSA “Name that Zone” Activity PowerPoint

In the PSA curriculum, the concept of zones is used to help growers identify areas that are food contact surfaces (Zone 1), next to food contact surfaces (Zone 2), in the processing area but not Zone 1 or 2 (Zone 3), and outside the processing area (Zone 4).  This tool helps reinforce how to identify these areas and begin to develop a sanitation program to meet regulatory expectations. The PowerPoint includes teaching and discussion notes for each one of the photos.

Other Sanitary Design Resources

Other Listeria Resources

Listeria Resources