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Bird et al.: Journal of AOAC International V ol. 100, No. 2, 2017 469
fresco (25 g), bagged raw spinach (25 g), romaine lettuce (25 g),
melon (whole), raw chicken leg pieces (25 g), raw chicken breast
fillet (25 g), sealed concrete (sponge, 225 and 100 mL), stainless
steel (sponge, 225 mL), and plastic (high-density polyethylene;
EnviroSwab, 10 mL).
Acknowledgments
We would like to extend a sincere thank you to the following
collaborators for their dedicated participation in this study:
Robert Brooks, ATC Microbiology, LLC (North Little
Rock, AR)
Jaspreet Walia and Francisco Hernandez, Certified
Laboratories (Turlock, CA)
David Bosco and Grizelda Trevino, Food Safety Net Services
(Fresno, CA)
Alex Brandt and Chris Lopez, Food Safety Net Services
(San Antonio, TX)
Elizabeth Sjogren and Manish Shekhawat, Microbac
Laboratories, Inc. (Worcester, MA)
Li Ma, Chris Timmons, and Claudia Diaz Proano, Oklahoma
State University (Stillwater, OK)
Alexandra Calle and David Campos, Texas Tech University
(Lubbock, TX)
Zachary Metz and David Baumler, University of Minnesota
(St. Paul, MN)
Robbie Smith, Dianne Wood, Evelyn Maranan, and Carmen
Chavarria, Maple Leaf Foods (Guelph, ON, Canada)
Ben Bastin, Microbiology R&D, Q Laboratories, Inc.
(Cincinnati, OH)
David Isfort, Microbiology – Food, Q Laboratories, Inc.
(Cincinnati, OH)
Jesse Miller, Bryan Schindler, Courtney Gies, Eric Budge, Zach
Geurin, and Alex Repeck, NSF International (Ann Arbor, MI)
Cynthia Zook and Christina Barnes, 3M Food Safety
(St. Paul, MN)
We would like to extend a special thanks to the following
team members at Q Laboratories, Inc. for their efforts during the
collaborative study: M. Joseph Benzinger, Jr, Allison Mastalerz,
Alison DeShields, Jonathan Clifton, T. Shane Wilson, Meghan
Daniel, Nicole Klass, and Colleen Sweeney.
References
(1) U.S. Food and Drug Administration (2008) Guidance for Industry:
Control of Listeria monocytogenes in Refrigerated or Frozen
Ready-to-Eat Foods; Draft Guidance,
March 2016)
(2) European Food Safety Authority (2015) Listeria
March 2016)
(3) Centers for Disease Control and Prevention (2016) Listeria
Outbreaks, (accessed
March 2016)
(4) Official Methods of Analysis (2012) 19th Ed., AOAC
INTERNATIONAL, Gaithersburg, MD, Appendix J
(5) US Department of Agriculture Food Safety and Inspection
Service (2013) Microbiology Laboratory Guidebook Chapter
8.09 Isolation and Identification of Listeria monocytogenes
from Red Meat, Poultry and Egg Products, and Environmental
Samples
76b9-4e6c-92fc-fdc290dbfa92/MLG-8.pdf?MOD=AJPERES
(accessed January 2016)
(6) Official Methods of Analysis (2016) 20 th Ed., AOAC
INTERNATIONAL, Rockville, MD, Method 2015.13
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(11) ISO 18593:2004 (2004) Microbiology of Food and Animal
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