Table 1. Minimum inhibitory concentration (MIC) of antibiotics for probiotic strains

Species	Strain	MIC (μg/mL)
		AMP1)	VAN	GEN	KAN	STR	ERY	CLI	TET	CHL
L. acidophilus	PBS066	0.50	0.50	4	64	6	0.125	2	2	4
L. plantarum	PBS067	1.5	>256	4	64	3	1	0.125	12	8
L. reuteri	PBS072	0.38	>256	1	12	3	0.50	0.032	12	4
Microbiological cut-off value (mg/L) proposed by EFSA
L. acidophilus		1	2	16	64	16	1	4	4	4
L. plantarum		2	NR2)	16	64	NR	1	2	32	8
L. reuteri		2	NR	8	64	64	1	4	32	4

AMP, VAN, GEN, KAN, STR, ERY, CLI, TET, and CHL refer to ampicillin, vancomycin, gentamycin, kanamycin, streptomycin, erythromycin, clindamycin, tetracycline, and chloramphenicol.
NR, not required.