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thumbnail image: thumbnail for: Research Isolates ‘Hypervirulent’ <em>Salmonella</em> Strains

Features: Research Isolates ‘Hypervirulent’ Salmonella Strains

Researchers at the University of California, Santa Barbara, have identified certain serotypes of Salmonella—among the more than 2,500 strains known to exist—that have the capacity to become “hypervirulent” during the infective process in animals.

Features: Gold Nanoparticles Can Detect, Zap Salmonella

By attaching pathogen-specific antibodies to vanishingly small gold nanoparticles—so minuscule that 25,000 would fit across the width of a human hair—scientists at Jackson State University in Mississippi can detect various strains of Salmonella with a simple five-minute test.

thumbnail image: thumbnail for: The zNose Knows Ripeness

Features: The zNose Knows Ripeness

An electronic nose may hold the secrets to melon ripeness and could provide the answer much more quickly than the previous scientific method—gas chromatography—which takes up to an hour to analyze a single sample.

thumbnail image: thumbnail for: Industry, Experts Await FDA Word on Antibiotics in Livestock

Features: Industry, Experts Await FDA Word on Antibiotics in Livestock

Livestock experts, consumer groups and the food industry are awaiting a response from the FDA on the use of certain antibiotics, including tetracyclines and penicillin, in animal feed, in the wake of a ruling that the FDA must withdraw approval for the use of these antimicrobials unless the manufacturers can prove their safety for this purpose.

thumbnail image: thumbnail for: Ripeness Plays Role in Vulnerability of Produce to <em>Salmonella</em>

Features: Ripeness Plays Role in Vulnerability of Produce to Salmonella

Foodborne pathogens attach to fruits in different ways depending on their ripeness, according to researchers from Imperial College London, who presented their work at the Society for General Microbiology’s Spring Conference in Dublin, Ireland, in late March.

Features: Embattled BPI Hits Back on “Pink Slime”

Beef Products Inc, primary manufacturer of the ammoniated beef product widely known as “pink slime,” has mounted a concerted effort to clean up the reputation of the company and its product.

Features: Budget Shortfall a Blow to Food Safety Centers of Excellence

A slowdown in the establishment of federal centers of excellence in food safety mandated by the FSMA “could have an adverse effect on the progress that the U.S. has been making in foodborne disease surveillance,” warned a leading national food safety expert.

thumbnail image: thumbnail for: Ozone-Treated Water Zaps Infectious Prions

Features: Ozone-Treated Water Zaps Infectious Prions

Infectious prions, the lethal microbes that cause Creutzfeldt-Jakob disease in humans and bovine spongiform encephalopathy (mad cow disease) in animals, can be eradicated with a technique that has long been used to inactivate pathogens in drinking water.

Features: Consumers Could Pay Big Under Expanded Livestock Regulations

Proposed regulations for the livestock and poultry industries—most prominently those involving animal housing, environmental regulations, the use of antimicrobials and other drugs, livestock trading, and labor regulations—could increase production costs by 10% to 25%, potentially costing consumers as much as $16 billion annually, claims a new report commissioned by the United Soybean Board.

thumbnail image: thumbnail for: Ground Meat and Poultry Now Feature Nutrition Labels

Features: Ground Meat and Poultry Now Feature Nutrition Labels

Chopped and ground meat and poultry products now bear the same on-package nutrition labels consumers commonly see on most other packaged foods.

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April/May 2014

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