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A Natural Intervention – the Reduction of Fecal Contamination of Ground Beef by the Use of Natural Bacteriocins

Zottola, Edmund A
University of Minnesota

This research was conducted to investigate the theory that the natural flora of ground beef hinders or even is lethal to the growth and survival of E. coli O157:H7. The complex idea of bacterial competition or the production of natural antibacterial substances by the natural flora found in ground beef is possibly a deciding factor in the low percentage rate of E. coli O157:H7 found in retail ground beef supplies. To investigate these theories, the natural Enterobacteriaceae of raw ground beef were screened for inhibitory activity and the ability to produce antimicrobial substances.

Funding Source
Nat'l. Cattlemen's Beef Assoc.
Project source
View this project
Bacterial Pathogens
Escherichia coli
Natural Toxins