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Departments: Analyze Organophosphorus Pesticides in the Apple Matrix by GC/MS/FPD Using an Agilent J&W DB-35ms Ultra Inert GC Column

Organophosphorus pesticides (OP) are widely used in the agricultural industry for crop protection. Human toxicities for this class of molecules have shown acute and chronic effects from pesticide poisoning. OP pesticides affect the ner­vous system of insects and mammals by inhibiting an enzyme, acetylcholinesterase, that is important in helping regulate nerve impulses.

Features: Outbreaks Spur Rapid STEC Tests

First implicated in a 1993 U.S. outbreak caused by undercooked ground beef, the Shiga toxin-producing E. coli (STEC) known as O157:H7 has become a familiar term associated with foodborne illness.

Departments: Move Over, Salmonella

You’re not likely to see a picture of Campylobacter in a post office lobby, but as of July 2011, the FSIS has introduced a new performance standard to reduce the prevalence of Campylobacter, similar to the one used for Salmonella for years.

thumbnail image: thumbnail for: Is FSIS Too Lax with <em>Salmonella</em> in Turkey?

Features: Is FSIS Too Lax with Salmonella in Turkey?

At least one person has died and more than 110 in 31 states have been sickened as a result of this summer’s outbreak of Salmonellainvolving two distinct but closely related strains.

Features: U.S. Food Pathogen Testing Growing Robustly

Microbiologic testing for specific pathogens in the U.S. food processing industry has increased 18% annually for the past three years and is expected to continue to rise, according to a recent report. U.S. food processors performed 213.2 million microbiology tests in 2010, of which approximately 22% were specific pathogen tests, according to the author of the report.

Departments: On the Trail of Salmonella

Of all foodborne pathogens, Salmonella is one of the most difficult to isolate because of its homogeneity. Strains like Salmonella enteritidis and Salmonella Montevideo are, genetically speaking, almost indistinguishable from one another using conventional tools of forensic microbiology.

Departments: Certified Wheat Seed Ensures Quality of the Loaf

When it comes to food ingredients, few food manufacturers can match the quality assurance and traceability claims of Warburtons, the United Kingdom’s largest independent baker.

Departments: Dioxin Detection Offers Protection

In recent years, several high-profile contamination crises have raised concerns over dioxin levels in a variety of food products. In December 2008, the Irish government recalled all pork products made in the Republic of Ireland after the discovery of dioxins in slaughtered pigs. Tests on some of the Irish pork products showed dioxin levels up to 200 times the recognized safety limit. This was followed by the Chinese government’s December 9th announcement banning all imports of pork from Ireland after...

Departments: Making Fluid Milk Taste Better Longer

According to USDA, fluid milk accounted for 18.1percent (17.4 billion lbs.) of edible food lost by retailers, foodservice and consumers in 1995. (See Kantor et al., 1997 for more information). One major factor contributing to dairy product loss and reduced quality is spoilage of products by bacteria. Spoilage presents the dairy industry with a two-pronged problem: Direct economic losses from products removed from the distribution chain and long-term loss of consumers who have had an unpleasant encounter...

Departments: Signs of the Times

Levels of raw grain testing are increasing as measurement science technology increases. According to Charles Hurburgh, professor-in-charge of the Iowa Grain Quality Initiative, 1 a grain quality and research program at Iowa State University, there are a lot of new requirements on the food trait front, such as amino acid profiles and fatty acid profiles.

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June/July 2014

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