Table 5

Growth inhibition of P. acidilactici Kp10 by disc diffusion method
Antibiotic Inhibition zone diameter
Disc content Size (mm) ≤15 mm (R) 16–20 mm (I) ≥21 mm (S)
Penicillin G 2 Units 24 (0) +
Penicillin G 10 Units 26.5 (0.07) +
Erythromycin 15 μg 32 (0) +
Erythromycin 10 μg 30 (0) +
Ceftriaxone 30 μg 33.08 (1.31) +
Lincomycin 10 μg 0 (0) +
Colistin sulphate 10 μg 0 (0) +
Streptomycin 10 μg 18.63 (0.88) +
Amikacin 30 μg 24.83 (0.25) +
Cloxacillin 5 μg 19 (0) +
Ciprofloxacin 10 μg 30 (0) +
Norfloxacin 10 μg 24 (0) +
Chloramphenicol 30 μg 32.28 (0.4) +
Cefuroxime sodium 30 μg 34.25 (0.35) +
Tetracycline 30 μg 29.5 (0.07) +
Tetracycline 10 μg 24 (0) +
Nalidixic acid 30 μg 31 (0) +
Ampicillin 25 μg 32 (0) +
Gentamycin 10 μg 22.5 (0.71) +
Gentamycin 30 μg 28 (0) +
Mecillinam 25 μg 19.72 (0.4) +
Nitrofurantoin 300 μg 30 (0) +
Sulfamethoxazole/ trimethoprim 25 μg 31 (0.14) +
Vancomycin 30 μg 24.75 (0.04) +
Bacitracin 10 μg 0 (0) +
Novobiocin 30 μg 34.5 (0.07) +
Kanamycin 30 μg 24.15 (0.21) +
Neomycin 30 μg 20 (0) +
Polymixin B 300 Units 0 (0) +
Oxytetracycline 30 μg 21 (0) +
Cefamandole 30 μg 12 (0) +

For all experiments coefficient of variation was ≤5 %. Results (zone of inhibition) are expressed as mean (SD).

R, resistant; I, intermediate; S, susceptible.

Abbasiliasi et al.

Abbasiliasi et al. BMC Microbiology 2012 12:260   doi:10.1186/1471-2180-12-260

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