Issues To Consider When Setting Intervention Targets with Limited Data for Low-Moisture Food Commodities: A Peanut Case Study
Abstract:Peanuts and peanut-containing products have been linked to at least seven salmonellosis outbreaks worldwide in the past two decades. In response, the Technical Committee on Food Microbiology of the North American Branch of the International Life Sciences Institute collaborated with the American Peanut Council to convene a workshop to develop a framework for managing risk in low-moisture food commodities where large data sets are unavailable (using peanuts as the example). Workshop attendees were charged with answering questions regarding the appropriate statistical and scientific methods for setting log reduction targets with limited pathogen prevalence and concentration data, suitable quantities of data needed for determining appropriate log reduction targets, whether the requirement of a 5-log reduction in the absence of data to establish a target log reduction is appropriate, and what targeted log reduction would protect public health. This report concludes that the judgment about sufficient data is not solely scientific, but is instead a science-informed policy decision that must weigh additional societal issues. The participants noted that modeling efforts should proceed with sampling efforts, allowing one to compare various assumptions about prevalence and concentration and how they are combined. The discussions made clear that data and risk models developed for other low-moisture foods like almonds and pistachios may be applicable to peanuts. Workshop participants were comfortable with the use of a 5-log reduction for controlling risk in products like peanuts when the level of contamination of the raw ingredients is low (<1 CFU/g) and the process well controlled, even when limited data are available. The relevant stakeholders from the food safety community may eventually conclude that as additional data, assumptions, and models are developed, alternatives to a 5-log reduction might also result in the desired level of protection for peanuts and peanut products.
Document Type: Research Article
Affiliations: 1: Department of Food Science, Rutgers University, 65 Dudley Road, New Brunswick, New Jersey 08901;, Email: email@example.com 2: Center for Food Safety and Security Systems, University of Maryland, 0119 Symons Hall, College Park, Maryland 20742 3: American Peanut Council, 1500 King Street, Suite 301, Alexandria, Virginia 22314 4: Department of Food Science and Human Nutrition, Citrus Research & Education Center, University of Florida, 700 Experiment Station Road, Lake Alfred, Florida 33850 5: Department of Food Science and Technology, University of California, One Shields Avenue, Davis, California 95616-8598 6: Formerly with the North American Branch of the International Life Sciences Institute, 1156 15th Street N.W., 2nd Floor, Washington, DC 20005 7: Exponent, Inc., 17000 Science Drive, Suite 200, Bowie, Maryland 20715 8: Kraft Foods, 200 Deforest Avenue, East Hanover, New Jersey 07936, ConAgra Foods, Five ConAgra Drive, 5-435, Omaha, NE 68102, USA 9: Department of Food Science, Cornell University, 412 Stocking Hall, Ithaca, New York 14853, USA
Publication date: February 1, 2013
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