Table 2. Bactericidal efficacies of 0.17% FdCa(OH)₂, 200 ppm NaOCl or the mixture solution toward Salmonella Infantis and Escherichia coli.

Tested solution	Bacteria	FBS (%)	Controlb)	RFa)
				5c) sec	30 sec
0.17% FdCa(OH)2	Salmonella Infantis	0.5	8.01 ± 0.27d)	0.72 ± 0.14	0.98 ± 0.10
200 ppm NaOCl		0		5.41 ± 0.27	5.41 ± 0.27
		0.5		0.80 ± 0.37	1.14 ± 0.52
Mixture		0		5.41 ± 0.27	5.41 ± 0.27
		0.5		1.31 ± 0.25	5.41 ± 0.27
		1.0		0.60 ± 0.07	1.04 ± 0.06
0.17% FdCa(OH)2	Escherichia coli	0.5	8.13 ± 0.15	0.49 ± 0.07	1.19 ± 0.05
200 ppm NaOCl		0		5.53 ± 0.15	5.53 ± 0.15
		0.5		0.36 ± 0.07	0.47 ± 0.19
Mixture		0		3.17 ± 0.82	5.53 ± 0.15
		0.5		0.68 ± 0.01	5.53 ± 0.15
		1.0		0.32 ± 0.23	1.29 ± 0.08

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.