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Book
Heterocycles from carbenes and nitrenes : methods, reactions and synthetic applications
Authors: ---
ISBN: 3031367359 3031367340 Year: 2023 Publisher: Cham : Springer International Publishing : Imprint: Springer,

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This book provides researchers in the fields of organic chemistry, organometallic chemistry and homogeneous catalysis with an overview of recent developments in the applications of reactions involving carbene and nitrene intermediates directed to the synthesis of heterocyclic compounds. Multiple pathways through which diverse heterocyclic compounds are accessed occur from a variety of carbene and nitrene precursors through C-H/X-H insertions, cycloadditions, ylide transformations, rearrangements, and cascade reactions. Catalytic processes that form metallo-carbenes and nitrenes offer unparalleled chemo-, regio-, and stereo-selectivities. Insights are provided into the scope of these methodologies and the inherent control of catalyst ligands on reaction selectivities.


Book
Compendium of the Microbiological Spoilage of Foods and Beverages
Authors: ---
ISBN: 9781441908261 9781441908254 1441908250 1461424615 1441908269 Year: 2009 Publisher: New York, NY : Springer New York : Imprint: Springer,

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The Compendium of the Microbiological Spoilage of Foods and Beverages is, to our knowledge, the first major publication devoted exclusively to this topic. Comprehensive coverage of microbiological spoilage has been provided by 28 contributors, most of whom have had long and successful careers in the food industry. Their comprehensive experience and knowledge of the microbiological spoilage of foods and beverages and its means of control and prevention have been collected and organized into 12 chapters that include all of the principal food and beverage categories. This Compendium will be a useful resource for many audiences. It will assist academic and food industry researchers in the development of products and manufacturing processes that will minimize or prevent product spoilage. It will assist quality assurance and engineering personnel in the operation of manufacturing plants so that spoilage is minimized. It is expected that the Compendium will be an important text book for advanced food microbiology classes. It is also likely that public health and non-governmental organizations that are working in developing countries will be able to use information from the Compendium to minimize food spoilage during transportation and storage of foodstuffs, thereby providing their target populations with increased food security. William H. Sperber With undergraduate majors in zoology and chemistry, William Sperber earned M.S. and Ph..D. degrees in microbiology at the University of Wisconsin. While working for more than forty years with three major food companies, Best Foods, Pillsbury, and Cargill, he became one of the world’s experts in designing and controlling the microbiological quality and safety of foods. Long active in professional and governmental organizations, he is the author of numerous presentations and publications. Now retired, he works part-time as Cargill’s Global Ambassador for Food Protection, where he originated the idea and continues to promote the formation of a new United Nations organization, the Food Protection Organization, to better protect the quality and safety of the global food supply. Michael P. Doyle With B.S., M.S. and Ph.D. degrees in bacteriology/food microbiology earned at the University of Wisconsin-Madison, Michael Doyle is a Regents Professor of Food Microbiology and Director of the Center for Food Safety at the University of Georgia. He has served as a scientific advisor on food microbiology topics to many national and international organizations, including the World Health Organization, Food and Agriculture Organization of the United Nations, the International Life Sciences Institute-North America and many federal food agencies. He is an active researcher on interventions to control microbes in foods, with more than 350 scientific publications on microbiology topics.

Food microbiology : fundamentals and frontiers
Authors: ---
ISBN: 9781555814076 1555814077 Year: 2007 Publisher: Washington : ASM Press,


Book
Food Safety Risks from Wildlife : Challenges in Agriculture, Conservation, and Public Health
Authors: ---
ISBN: 331924440X 3319244426 Year: 2016 Publisher: Cham : Springer International Publishing : Imprint: Springer,

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Foodborne illnesses caused by zoonotic pathogens associated with wildlife hosts are an emerging microbial food safety concern. Transmission of foodborne pathogens can occur through ingestion, or improper handling, of contaminated game meat. Wild and feral animals have also been investigated as potential sources of Campylobacter, Escherichia coli O157:H7 and other enteric pathogens following foodborne disease outbreaks linked to fresh fruits and vegetables (e.g., baby spinach in California, shelled-peas in Alaska, strawberries in Oregon). This book explores the range of bacterial, parasitic, and viral pathogens that have been described in wildlife populations in the United States, Europe and other parts of the world. It also addresses important challenges and solutions to balance agriculture, conservation, and public health goals. The book provides unique information on approaches in risk communication, co-management, and One Health in a wildlife-food safety context. The first five chapters review research on the detection, epidemiology and ecology of foodborne pathogens in wildlife populations including the influence of wildlife-livestock-human interactions. The second half of the book addresses current guidelines to mitigate microbial food safety risks from wildlife hosts and new regulations proposed by the U.S. Food and Drug Administration in the Food Safety Modernization Act Produce Safety Rule. Chapters are wri tten by an array of internationally recognized authors, and will be of interest to agriculture safety experts, ecologists, environmental health specialists, food safety professionals, microbiologists, public health practitioners, veterinarians, wildlife biologists, and others in academia, government, industry, and students in these disciplines.   .

Food microbiology : fundamentals and frontiers
Authors: --- ---
ISBN: 1555811175 Year: 1997 Publisher: ASM Press,


Book
Foodborne Pathogens : Virulence Factors and Host Susceptibility
Authors: --- ---
ISBN: 3319568361 3319568345 Year: 2017 Publisher: Cham : Springer International Publishing : Imprint: Springer,

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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.


Book
The Microbiological Safety of Low Water Activity Foods and Spices
Authors: --- --- ---
ISBN: 1493920626 1493920618 Year: 2014 Publisher: New York, NY : Springer New York : Imprint: Springer,

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Low water activity (aw) and dried foods such as dried dairy and meat products, grain-based and dried ready-to-eat cereal products, powdered infant formula, peanut and nut pastes, as well as flours and meals have increasingly been associated with product recalls and foodborne outbreaks due to contamination by pathogens such as Salmonella spp. and enterohemorrhagic E. coli.  In particular, recent foodborne outbreaks and product recalls related to Salmonella-contaminated spices have raised the level of public health concern for spices as agents of foodborne illnesses. Presently, most spices are grown outside the U.S., mainly in 8 countries: India, Indonesia, China, Brazil, Peru, Madagascar, Mexico and Vietnam. Many of these countries are under-developed and spices are harvested and stored with little heed to sanitation. The FDA has regulatory oversight of spices in the United States; however, the agency’s control is largely limited to enforcing regulatory compliance through sampling and testing only after imported foodstuffs have crossed the U.S. border. Unfortunately, statistical sampling plans are inefficient tools for ensuring total food safety. As a result, the development and use of decontamination treatments is key.  This book provides an understanding of the microbial challenges to the safety of low aw foods, and a historic backdrop to the paradigm shift now highlighting low aw foods as vehicles for foodborne pathogens.  Up-to-date facts and figures of foodborne illness outbreaks and product recalls are included.  Special attention is given to the uncanny ability of Salmonella to persist under dry conditions in food processing plants and foods.  A section is dedicated specifically to processing plant investigations, providing practical approaches to determining sources of persistent bacterial strains in the industrial food processing environment.  Readers are guided through dry cleaning, wet cleaning and alternatives to processing plant hygiene and sanitation.  Separate chapters are devoted to low aw food commodities of interest including spices, dried dairy-based products, low aw meat products, dried ready-to-eat cereal products, powdered infant formula, nuts and nut pastes, flours and meals, chocolate and confectionary, dried teas and herbs, and pet foods.  The book provides regulatory testing guidelines and recommendations as well as guidance through methodological and sampling challenges to testing spices and low aw foods for the presence of foodborne pathogens.  Chapters also address decontamination processes for low aw foods, including heat, steam, irradiation, microwave, and alternative energy-based treatments. The Food Microbiology and Food Safety series is published in conjunction with the International Association for Food Protection, a non-profit association for food safety professionals. Dedicated to the life-long educational needs of its Members, IAFP provides an information network through its two scientific journals (Food Protection Trends and Journal of Food Protection), its educational Annual Meeting, international meetings and symposia, and interaction between food safety professionals.

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