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Table 5 Growth inhibition of P. acidilactici Kp10 by disc diffusion method

From: Isolation of Pediococcus acidilacticiKp10 with ability to secrete bacteriocin-like inhibitory substance from milk products for applications in food industry

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) +   
  1. For all experiments coefficient of variation was ≤5 %. Results (zone of inhibition) are expressed as mean (SD).
  2. R, resistant; I, intermediate; S, susceptible.