Food Wrap Foils Microbes
Jul 1, 2000 — Researchers at Toxin Alert Inc. in Mississauga, Ontario, Canada, have developed a plastic wrap that they hope will detect dangerous levels of bacteria in food. The product, which will be 15 to 25 percent more expensive than regular wrap, uses chromophore-labeled detector ligands to capture and accumulate pathogens in a nutrient gel, where they grow in distinctive and visible patterns. Critics suggest that the wrap, which is designed to detect E. coli, Salmonella and Listeria, lacks the sens...