. 2006 Oct 23;51(1):169–174. doi: 10.1128/AAC.00261-06

TABLE 5.

MICs of antibiotics for hydrogen peroxide-stressed^a bifidobacteria

Organism	MIC (μg/ml)^b of the following antibiotic^c for the indicated organism:
Organism	Amp	Clo	Pen	Van	Kan	Neo	Par	Str	Chl	Ery	Tet	Nis
B. animalis ATCC 27536	3.9	3.9	0.98	>500	500	500	500	250	3.9	0.98	62.5	0.98
B. bifidum R 0071	0.98	31.2	0.98	>500	500	125	125	250	1.9	500	62.5	0.98
B. bifidum ATCC 15696	Did not survive H₂O₂ stressing
B. bifidum BB12	0.98	1.9	0.98	>500	500	250	500	250	1.9	0.98	7.8	0.98
B. breve ATCC 15700	3.9	3.9	0.98	>500	>500	250	500	500	1.9	0.98	31.2	0.98
B. breve R0070	0.98	15.6	0.98	>500	500	250	250	250	1.9	0.98	7.8	0.98
B. infantis ATCC 15697	Did not survive H₂O₂ stressing
B. longum ATCC 15707	0.98	0.98	0.98	>500	500	250	500	62.5	1.9	0.98	7.8	0.98
B. longum ATCC 15708	3.9	7.8	0.98	>500	500	250	250	500	3.9	0.98	31.2	0.98
B. longum R0175	1.9	31.2	0.98	>500	500	125	250	250	1.9	0.98	15.6	1.9
B. longum P/N 601377	0.98	31.2	0.98	>500	250	125	125	125	1.9	1.9	125	0.98
B. pseudolongum ATCC 25562	Did not survive H₂O₂ stressing
B. thermophilum ATCC 25866	3.9	7.8	0.98	>500	500	500	500	500	1.9	0.98	15.6	0.98

Organisms were exposed for 90 min to H₂O₂ at the MIC prior to 18 h of anaerobic growth in MRS broth, pH 6.5.

Median of four repetitions.

Amp, ampicillin; Clo, cloxacillin; Pen, penicillin G; Van, vancomycin; Kan, kanamycin; Neo, neomycin; Par, paromomycin; Str, streptomycin; Chl, chloramphenicol; Ery, erythromycin; Tet, tetracycline hydrochloride; Nis, nisin A.