Scratched Surfaces May Trap Bacteria During Food Processing

HealthDay, September, 2008 by Robert Preidt

Minute particles of food soil on surfaces can help bacteria survive industrial cleaning procedures in food processing factories, which may lead to possible contamination of food with pathogenic bacteria, say researchers at Manchester Metropolitan University in the United Kingdom.

"Tiny amounts of soil are enough to provide nutrients and a reservoir for contaminating bacteria to survive the cleaning process, leading to food spoilage later. The soil should be identified to make sure effective cleaning regimes are used on food preparation surfaces," researcher Dr. Kathryn Whitehead said in a Society for General Microbiology news release.

She and her colleagues compared different methods for detection of food residues, including chemical and physiochemical techniques,...

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