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Table 1 Minimum inhibitory concentrations (MIC, mg/l) of the tested LAB strains for nine different antibiotics

From: Strain-specific probiotic properties of lactic acid bacteria and their interference with human intestinal pathogens invasion

  Amp Van Gen Kan Strep Ery Clin Tetra Chlo
B. bifidum W23 0.06 [2] 1 [2] 64 [64] n.r. 32 [128] 0.25 [1] 0.12 [1] 2 [8] 2 [4]
L. acidophilus W37 0.094 [1] 0.5 [2] 1 [16] 32 [64] 3 [16] 0.016 [1] 0.094 [1] 0.38 [4] 1.5 [4]
L. casei W56 0.5 [4] n.r. 4 [32] 64 [64] 32 [64] 0.25 [1] 0.12 [1] 2 [4] 8 [4]
L. plantarum W21 0.5 [2] n.r. 8 [16] 64 [64] n.r. 0.5 [1] 2 [2] 32 [32] 4 [8]
L. rhamnosus W71 4 [4] n.r. 2 [16] 32 [64] 8 [32] 0.12 [1] 0.5 [1] 1 [8] 4 [4]
L. salivarius W24 1 [4] n.r. 2 [16] 64 [64] 32 [64] 0.25 [1] 0.25 [1] 4 [8] 4 [4]
L. lactis W58 0.25 [2] 0.25 [4] 2 [32] 8 [64] 16 [32] 0.12 [1] 0.12 [1] 1 [4] 4 [8]
  1. In square brackets are indicated the microbial breakpoint according to the European Food and Safety Authority [19]. Strains with MICs higher that the breakpoint are considered resistant
  2. Amp ampicillin, Van vancomycin, Gen gentamycin, Kan kanamycin, Strep streptomycin, Ery erythromycin, Clin clindamycin, Tetra tetracycline, Chlo chloramphenicol, n.r. not required