Method for the broad spectrum prevention and removal of microbial contamination of food products by quaternary ammonium compounds

Document Type


Publication Date



A method of using quaternary ammonium compounds for inhibiting attachment of and removing a broad spectrum of foodborne microbial contamination from food products. The method uses quaternary ammonium compounds for inhibiting attachment of and removing microorganisms such as, Staphylococcus, Campylobacter, Arcobacter, Listeria, Aeromonas, Bacillus, Salmonella, non-toxin-producing Escherichia, and pathogenic toxin-producing Escherichia, such as 0157:H7; fungi, such as Aspergillus flavus and Penicillium chrysogenum; and parasites, such as Entameba histolytica from a broad range of food. The foods that can be treated by this method are meat, seafood, vegetables, and fruit. One of the treatment methods is spraying quaternary ammonium compounds on the food products to prevent broad spectrum foodborne microbial contamination. New formulations of quaternary ammonium compounds combined with glycerin and/or ethyl alcohol provides a concentrated formulation for industrial use and a diluted formulation for use in spraying methods.


Biological and Agricultural Engineering; Poultry Science

Patent Number

AT301400 (T)

Application Filed



Board of Trustees of the University of Arkansas (Little Rock, AR)


Michael F. Slavik, Department of Poultry Science

Yanbin Li, Department of Crop, Soil, and Environmental Sciences