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Table 2 Antimicrobial activity of the cell-free supernatants (CFCSs) produced by the different LAB strains toward human intestinal pathogens strains performed by agar well diffusion method

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

CFCSs

Inhibition zone (mm ± sd)

S. enteritidis

ATCC 13076

L. monocytogenes

ATCC 7644

E. coli O157: H7

ATCC 35150

C. sakazakii

ATCC 29544

C. jejuni

ATCC 33291

B. bifidum W23

10.1 ± 0.25

11.0 ± 0.35

12.1 ± 0.25

12.1 ± 0.32

L. salivarius W24

10.1 ± 0.32

10.2 ± 0.11

10.1 ± 0.28

L. acidophilus W37

11.1 ± 0.12

12.1 ± 0.36

L. casei W56

11.1 ± 0.51

10.2 ± 0.21

17.1 ± 0.21

L. lactis W58

11.0 ± 0.15

11.0 ± 0.27

12.0 ± 0.28

11.1 ± 0.15

10.5 ± 0.51

L. plantarum W21

10.1 ± 0.31

14.1 ± 0.34

10.0 ± 0.20

10.1 ± 0.28

13.5 ± 0.52

L. rhamnosus W71

10.1 ± 0.24

12.1 ± 0.31

11.0 ± 0.15

10.2 ± 0.25

17.2 ± 0.21

Positive control

16.3 ± 0.53 (Gen)

19.3 ± 0.63 (W)

15.6 ± 0.64 (Gen)

16.3 ± 0.52 (Strep)

32 ± 0.51 (Gen)

  1. Gen gentamicin 10 µg, W trimethoprim 5 µg, Strep streptomycin 10 µg, – no visible growth inhibition