Cases of listeriosis in food appear to be predominantly associated with ready-to-eat products. This publication contains a summary of the risk assessment, jointly undertaken by the Food and Agriculture Organization and the World Health Organization, into the problems posed by the pathogen in ready-to-eat foods. It covers specific risk management questions posed by the Codex Committee on Food Hygiene (CCFH) and outlines issues to be considered when implementing control measures, including the establishment of microbiological criteria. The full technical report is available separately (ISBN 9251051275).
With growing consumer demand for ready-to-eat (RTE) foods that are wholesome and require less handling and preparation, the production of RTE foods has increased and their variety has expanded considerably, spanning from bagged spinach to pre-packaged school lunches. But since RTE foods are normally consumed directly without cooking- a step that ki
Foodborne illnesses continue to be a major public health concern. All members of a particular bacterial genera (e.g., Salmonella, Campylobacter) or species (e.g., Listeria monocytogenes, Cronobacter sakazakii) are often treated by public health and regulatory agencies as being equally pathogenic; however, this is not necessarily true and is an overly conservative approach to ensuring the safety of foods. Even within species, virulence factors vary to the point that some isolates may be highly virulent, whereas others may rarely, if ever, cause disease in humans. Hence, many food safety scientists have concluded that a more appropriate characterization of bacterial isolates for public health purposes could be by virotyping, i.e., typing food-associated bacteria on the basis of their virulence factors. The book is divided into two sections. Section I, “Foodborne Pathogens and Virulence Factors,” hones in on specific virulence factors of foodborne pathogens and the role they play in regulatory requirements, recalls, and foodborne illness. The oft-held paradigm that all pathogenic strains are equally virulent is untrue. Thus, we will examine variability in virulence between strains such as Listeria, Salmonella, Campylobacter, Cronobacter, etc. This section also examines known factors capable of inducing greater virulence in foodborne pathogens. Section II, “Foodborne Pathogens, Host Susceptibility, and Infectious Dose” , covers the ability of a pathogen to invade a human host based on numerous extraneous factors relative to the host and the environment. Some of these factors include host age, immune status, genetic makeup, infectious dose, food composition and probiotics. Readers of this book will come away with a better understanding of foodborne bacterial pathogen virulence factors and pathogenicity, and host factors that predict the severity of disease in humans.
The HACCP (Hazard Analysis and Critical Control Points) system is still recognised internationally as the most effective way to produce safe food throughout the supply chain, but a HACCP system cannot operate in a vacuum. It requires prerequisite programmes to be in place and it can be highly affected by, or dependent upon, other major considerations such as animal, plant, human and environmental health, food security and food defence. This book: Provides a practical and up-to-date text covering the essentials of food safety management in the global supply chain, giving the reader the knowledge and skills that they need to design, implement and maintain a world-class food safety programme. Builds on existing texts on HACCP and food safety, taking the next step forward in the evolution of HACCP and providing a text that is relevant to all sectors and sizes of food businesses throughout the world. Shares practical food safety experience, allowing development of best-practice approaches. This will allow existing businesses to improve their systems and enable businesses that are new to HACCP and food safety management requirements in both developed and developing countries to build on existing knowledge for more rapid application of world-class food safety systems. Educates practitioners such that they will be able to use their judgement in decision-making and to influence those who make food policy and manage food operations. This book is an essential resource for all scientists and managers in the food industry (manufacturing and foodservice); regulators and educators in the field of food safety; and students of food science and technology.
Food Hygiene and Toxicology in Ready-to-Eat Foods is a solid reference for anyone in the food industry needing to understand the complex issues and mechanisms of biological control and chemical hazards to ensure food safety. infectious and non-infectious contaminants in raw, minimally processed, and prepared foods are covered in detail, as well as effective measures to avoid foodborne infections and intoxications. The book is written by an international team of experts presenting the most up-to-date research in the field, and provides current applications and guidance to enhance food safety in the food industry. Strategies and recommendations for each food category include, among others, how to avoid cross-contamination of pathogens, the proper uses of antimicrobial coatings and spray cleanings of fresh produce, and acrylamide reduction during processing. leafy vegetables, fruit juices, nuts, meat and dairy products are some of the ready-to-eat foods covered. - Provides the latest on research and development in the field of food safety incorporating practical real life examples for microbiological risk assessment and reduction in the food industry - Includes specific aspects of potential contamination and the importance of various risks associated with ready-to-eat foods - Describes potential harmful agents that may arise in foods during processing and packaging - Presents information on psychrotropic pathogens and food poisoning strains, effect of temperature, Salmonella, Listeria, Escherichia coli, Bacillus cereus, Norovirus, parasites, fungal microbiota, enterotoxins, and more
This book primarily covers the general description of foodborne pathogens and their mechanisms of pathogenesis, control and prevention, and detection strategies, with easy-to-comprehend illustrations. The book is an essential resource for food microbiology graduate or undergraduate students, microbiology professionals, and academicians involved in food microbiology, food safety, and food defense-related research or teaching. This new edition covers the significant progress that has been made since 2008 in understanding the pathogenic mechanism of some common foodborne pathogens, and the host-pathogen interaction. Foodborne and food-associated zoonotic pathogens, responsible for high rates of mortality and morbidity, are discussed in detail. Chapters on foodborne viruses, parasites, molds and mycotoxins, and fish and shellfish are expanded. Additionally, chapters on opportunistic and emerging foodborne pathogens including Nipah virus, Ebola virus, Aeromonas hydrophila, Brucella abortus, Clostridium difficile, Cronobacter sakazakii, and Plesiomonas shigelloides have been added. The second edition contains more line drawings, color photographs, and hand-drawn illustrations.
Cases of listeriosis appear to be predominantly associated with ready-to-eat products. FAO and WHO have undertaken a risk assessment of Listeria monocytogenes in ready-to-eat foods, prepared and reviewed by an international team of scientists. Input was received from several international fora including expert consultations and Codex Alimentarius committee meetings as well as via public and peer review. This interpretative summary provides an overview of how the risk assessment was undertaken and the results. In particular, it provides information relevant to risk managers addressing problems posed by this pathogen in ready-to-eat foods. It includes answers to the specific risk management questions posed by the Codex Committee on Food Hygiene and outlines the issues to be considered when implementing control measures, including the establishment of microbiological criteria.
Food safety regulators face a daunting task: crafting food safety performance standards and systems that continue in the tradition of using the best available science to protect the health of the American public, while working within an increasingly antiquated and fragmented regulatory framework. Current food safety standards have been set over a period of years and under diverse circumstances, based on a host of scientific, legal, and practical constraints. Scientific Criteria to Ensure Safe Food lays the groundwork for creating new regulations that are consistent, reliable, and ensure the best protection for the health of American consumers. This book addresses the biggest concerns in food safetyâ€"including microbial disease surveillance plans, tools for establishing food safety criteria, and issues specific to meat, dairy, poultry, seafood, and produce. It provides a candid analysis of the problems with the current system, and outlines the major components of the task at hand: creating workable, streamlined food safety standards and practices.
Cases of listeriosis appear to be predominantly associated with ready-to-eat products. FAO and WHO have undertaken a risk assessment of Listeria monocytogenes in ready-to-eat foods, prepared and reviewed by an international team of scientists. Input was received from several international fora including expert consultations and Codex Alimentarius committee meetings as well as via public and peer review. This technical report provides complete documentation of the risk assessment, the approaches taken, the data and methodology used, and the results. It also contains four example assessments addressing the risk of listeriosis associated with fresh milk, ice cream, fermented meats and cold-smoked fish. These products were selected to represent typical classes of ready-to-eat products.
