Detection limits/detection ranges of detection methods for microorganisms.

Detection methods	Objects	Detection limit/detection range	Total time	Ref.
FLISA	S. typhimurium	3 × 103 CFU mL−1	4 h	Study support (ESI 5)
ELISA	S. typhimurium	103–104 CFU mL−1	>1 d	Wilanee et al. 201117
Immunochromatographic test strip	S. choleraesuis	5 × 105 CFU mL−1	20 min	Xia et al. 201618
PCR	S. typhimurium	102 CFU mL−1	12–18 h	Wang et al. 201820
ATP bioluminescence	Salmonella	103 CFU mL−1	20 min	Lee et al. 201722
Impedance method	S. typhimurium	7.6 × 101 CFU mL−1	1 h	Settu et al. 201516