Research on plant defense responses against pathogens, specifically E. coli O157:H7 and Salmonella Typhimurium, holds insights to preventing foodborne illnesses and improving food safety practices.
The California Leafy Greens Marketing Agreement (LGMA) has announced its Romaine Test and Learn initiative, a two-year food safety study commencing in October 2023, which will leverage LGMA members’ individual testing data to elicit meaningful, aggregated information to better understand potential microbial risks to leafy greens food safety.
Recent flooding in California included many ranches in the Salinas Valley, which grow leafy greens and other crops.Floodwaters have the potential to contain various pathogens that can directly cross-contaminate future product grown in those fields, as well as nearby fields.Bringing land back into production is an area of great concern.
The U.S. Food and Drug Administration (FDA) has worked with the U.S. Environmental Protection Agency (EPA) to update the protocol for the development and registration of antimicrobial treatments for preharvest agricultural water, removing Listeria monocytogenes from the organism test panel.
The Joint FAO/WHO Expert Meeting in Microbial Risk Assessment (JERMA) convened in response to a Codex Alimentarius Committee request to develop microbiological risk assessment models for Listeria monocytogenes, and to provide recommendations to inform possible future revisions to Codex guidelines on hygienic controls for L. monocytogenes.
The Center for Produce Safety (CPS) has funded 14 new research projects that will help answer the fresh produce industry’s most urgent food safety questions related to leafy greens, stone fruit, pears, foodborne pathogens, indoor farming, and other topics.
The U.S. Food and Drug Administration (FDA) has announced that it will conduct targeted sampling of leafy greens as part of the Leafy Greens STEC Action Plan (LGAP). The agency also provided updates on the progress of LGAP and a summary report of a 2021 sampling assignment.
The U.S. Centers for Disease Control and Prevention (CDC) has summarized its investigations of possible multistate outbreaks caused by Salmonella, Shiga toxin-producing Escherichia coli (STEC), and Listeria monocytogenes in 2017–2020.
The food industry recognizes that consumers provide a very high level of fitness-for-purpose testing when they use products. Some shrinkage is, of course, involved in this process, but this consumer sampling will always reach beyond what is possible for a manufacturer. Instead, manufacturers make a more careful study of samples that are expected to be representative of what is delivered to the consumer. The selection of these samples, including the common misconceptions around the sampling of leafy greens, is the focus of this article.
