Table 1. SAHW bactericidal effects after direct exposure.
SAHW | Bacteria | Controlb) | RFa) | |
---|---|---|---|---|
0c) sec | 5 sec | |||
50 ppm | E. coli | 8.35 ± 0.36d) | 0.00 ± 0.00 | ≥5.75 ± 0.44 |
S. Infantis | 8.76 ± 0.08 | 0.00 ± 0.00 | ≥6.16 ± 0.08 | |
100 ppm | E. coli | 8.35 ± 0.44 | 0.39 ± 0.19 | ≥5.74 ± 0.44 |
S. Infantis | 8.76 ± 0.08 | 0.37 ± 0.33 | ≥6.16 ± 0.08 |
a) Reduction factor (RF)=log10 (titer of control/ml) −log10 (titer of treated samples/ml). b) Titer of bacteria in the control (log 10 CFU/ml) . c) Contact times. d) Data represent means ± standard deviation of three different experiments.