Table 3.

Comparison between novel PCR and traditional coating counting method.

Different genes	Inoculated concentration (CFU/g)	Plate counting results (log CFU/g)	PCR results (log CFU/g)
tlh+	108	8.54 ± 0.45	8.31 ± 0.09
	107	7.38 ± 0.18	7.28 ± 0.00
	106	6.43 ± 0.42	6.57 ± 0.03
	105	5.19 ± 0.61	5.39 ± 0.01
	104	4.14 ± 0.32	4.26 ± 0.01
	103	3.24 ± 0.25	3.27 ± 0.09
	102	2.04 ± 0.43	2.23 ± 0.12
tdh+	108	8.45 ± 0.33	8.16 ± 0.03
	107	7.12 ± 0.51	7.00 ± 0.01
	106	6.33 ± 0.61	6.29 ± 0.05
	105	5.26 ± 0.42	5.49 ± 0.02
	104	4.36 ± 0.53	4.30 ± 0.05
	103	3.27 ± 0.24	3.53 ± 0.06
	102	2.02 ± 0.12	2.37 ± 0.06
ureR+	108	8.51 ± 0.29	8.71 ± 0.09
	107	7.41 ± 0.53	7.67 ± 0.01
	106	6.17 ± 0.24	6.56 ± 0.04
	105	5.10 ± 0.21	5.24 ± 0.02
	104	4.27 ± 0.22	4.17 ± 0.04
	103	3.17 ± 0.34	2.96 ± 0.04
	102	1.92 ± 0.47	2.20 ± 0.07