Trisodium phosphate (TSP) treatment of beef surfaces to reduce Escherichia coli O157:H7 and Salmonella typhimurium

Trisodium phosphate (TSP) treatment of beef surfaces removes Escherichia coli O157:H7 more efficiently than Salmonella typhimurium. Gentle rising in 10% TSP solution at 10 degrees Celsius for 15 seconds causes a reduction in attached E. coli O157:H7 and S. typhimurium levels by 0.51 approximately 1.39 logs. The bacterial populations are measured by microbiological plating and scanning electron microscopy techniques.