Table 1. Bactericidal efficacies of 0.17% FdCa(OH)2 toward Salmonella Infantis and Escherichia coli.
| Bacteria | FBS (%) | Controlb) | RFa) | ||||
|---|---|---|---|---|---|---|---|
| 0c) sec | 5 sec | 30 sec | 60 sec | 180 sec | |||
| Salmonella Infantis | 0 | 8.60 ± 0.08d) | 0.00 ± 0.00 | 0.91 ± 0.22 | 1.86 ± 0.10 | 2.11 ± 0.17 | ≥6.00 ± 0.08 |
| 1 | 0.90 ± 0.20 | 1.87 ± 0.33 | 2.33 ± 0.27 | ≥6.00 ± 0.08 | |||
| 5 | 1.19 ± 0.16 | 2.27 ± 0.39 | 2.29 ± 0.12 | ≥6.00 ± 0.08 | |||
| Escherichia coli | 0 | 8.29 ± 0.07 | 0.00 ± 0.00 | 0.55 ± 0.03 | 1.28 ± 0.04 | 2.25 ± 0.07 | ≥5.69 ± 0.07 |
| 1 | 0.51 ± 0.02 | 1.22 ± 0.06 | 1.94 ± 0.15 | ≥5.69 ± 0.07 | |||
| 5 | 0.44 ± 0.01 | 0.95 ± 0.03 | 1.65 ± 0.08 | 5.30 ± 0.16 | |||
a) Reduction factor (RF)=log10 (titer of control/ml) −log10 (titer of treated samples/ml). b) Titer of bacteria in the control (log10 CFU/ml). c) Contact times. d) Data represent means ± standard deviation of three different experiments.