Journal of Microbiology and Biotechnology

eISSN 1738-8872
pISSN 1017-7825

Table. 1. Table 1

Concentration ranges of antimicrobial susceptibility testing and acceptable ranges of quality control strains as suggested by ISO guideline.

Antimicrobial agent	Conc. range (μg/ml)	Quality control parameters

		Bifidobacterium longum ATCC 15707	Lacticaseibacillus paracasei ATCC 334	Lactiplantibacillus plantarum ATCC 14917	Lactococcus lactis ATCC 19435
Ampicillin	0.032 to 16	0.25 to 1	0.5 to 2	0.25 to 2	0.12 to 1
Chloramphenicol	0.125 to 64	0.5 to 4	2 to 8	4 to 16	2 to 16
Clindamycin	0.032 to 16	0.03 to 0.12	0.06 to 0.25	0.5 to 4	0.25 to 1
Erythromycin	0.016 to 8	0.03 to 0.25	0.06 to 0.5	0.25 to 2	0.12 to 0.5
Gentamicin	0.5 to 256	4 to 32	1 to 4	─	0.5 to 2
Kanamycin	2 to 1024	64 to 512	16 to 64	─	2 to 8
Streptomycin	0.5 to 256	8 to 64	8 to 32	─	2 to 16
Tetracycline	0.125 to 64	0.5 to 2	1 to 4	8 to 32	0.5 to 2
Vancomycin	0.25 to 128	0.5 to 2	─	─	0.25 to 1

J. Microbiol. Biotechnol. 2023;33:500~510 https://doi.org/10.4014/jmb.2210.10041