Sensitivity of Shiga Toxin–Producing Escherichia coli, Multidrug-Resistant Salmonella, and Antibiotic-Susceptible Salmonella to Lactic Acid on Inoculated Beef Trimmings

Studies were performed to determine whether lactic acid treatments used to reduce Escherichia coli O157:H7 on beef trimmings are also effective in controlling non-O157 Shiga toxin-producing E. coli (nSTEC), and multidrug-resistant and antibiotic-susceptible Salmonella. Beef trimming pieces (10 by 5 by 1 cm) were inoculated (3 log CFU/cm(2)) separately with four-strain mixtures of rifampin-resistant E. coli O157:H7, O26, O45, O103, O111, O121,...