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. 2018 Jun 6;80(8):1195–1203. doi: 10.1292/jvms.18-0092

Table 1. Anti-Campylobacter activity, tolerance to low pH and bile, hydrophobicity, production of H2O2 and biofilm formation of Lactobacillus isolates.

Species Strain Results of agar slab method Ability to survive at low pH Ability to surviving in MRS + 2% bile Ability to growth on MRS + 2% bile (%) Ability to produce H2O2 Hydrophobicity (%) Biofilm formation Resistance to any antibiotic


Average inhibition zone of C. jejuni (mm) Average inhibition zone of C. coli (mm) pH 1.5 pH 2.0


1 hr 3 hr 1 hr 3 hr
L. salivarius 4a 22.5 ± 2.1 21.0 ± 0.9 + + + + + no 100 +++ +
6a 20.7 ± 1.1 18.5 ± 0.7 + + + + no + 60 +
6b 21.7 ± 0.35 20.5 ± 1.4 + + + no + 100 + +
8b 19.0 ± 0.0 18.5 ± 0.7 + + + + + no + 67 +
9b 22.2 ± 0.35 20.2 ± 1.1 + + + + + no ++ 60
10a 21.5 ± 2.1 20.0 ± 0.0 + + + + + no + 100 +
10d 18.2 ± 0.35 18.7 ± 1.1 + + + + + no + 100 +
24a 22.0 ± 0.0 20.0 ± 1.4 + + + + + no + 80 + +
24b 22.5 ± 0.7 20.5 ± 0.7 + + + + + no +++ 100 +
27e 25.0 ± 0.0 23.5 ± 2.1 + + + + + 48.3 ++ 90 + +
37b 23.5 ± 0.7 20.0 ± 0.0 + + + + + 6.5 + 100 + +
40a 23.0 ± 0.0 18.5 ± 0.7 + + + + + 55.3 + 55 +
48a 23.7 ± 0.35 20.5 ± 0.7 + + + + + no 100 + +
60b 21 ± 1.4 19.2 ± 1.1 + + + + + no 10 + +
60d 23.5 ± 0.0 19.0 ± 0.0 + + + + + no ++ 100 +++

L. johnsonii 4b 12.5 ± 0.7 13.5 ± 0.7 + + + + no +++ 100 +
7d 18.5 ± 0.7 16.5 ± 2.1 + + + + + 28.0 +++ 87 ++ +
8f 14.5 ± 0.7 13.5 ± 0.7 + + + + + no +++ 100 +
9d 12.2 ± 0.35 12.5 ± 0.7 + + + + no +++ 50 +
13b 12.0 ± 0.0 12.0 ± 0.0 + + + + + no +++ 70 + +
17c 12.5 ± 0.7 12.5 ± 0.7 + + + + + no +++ 80 + +
25b 11.7 ± 0.35 11.7 ± 0.3 + + + + + no +++ 60 +
32a2 14.0 ± 1.4 13.4 ± 0.9 + + + + + no +++ 100 +
37c 11.5 ± 0.7 12.0 ± 0.0 + + + + + no +++ 70 +
40b 11.5 ± 0.7 11.5 ± 0.7 + + + + + no +++ 87 + +
44c 14.0 ± 0.0 13.0 ± 0.0 + + + + + no +++ 100 + +

L. crispatus 1b 15.0 ± 1.4 15.0 ± 0.7 + + + + 23.0 ++ 100 +
17b 18.2 ± 0.35 15.0 ± 1.4 + + + + + 8.9 ++ 80 +
44b 16.0 ± 0.0 17.0 ± 1.4 + + + + + no ++ 100 +
49a 22.2 ± 0.9 22.0 ± 0.8 + + + + + no + 100 +
49b 14.0 ± 1.4 13.2 ± 1.1 + + + + + 14.9 +++ 73

L. reuteri 4c 22.0 ± 0.0 19.0 ± 1.4 + + + + + 54.6 ++ 100 ++ +
12d 19.5 ± 0.7 18.0 ± 1.4 + + + + + 28.6 +++ 73 + +
14a 24.5 ± 0.7 22.0 ± 1.4 + + + + 69.0 + 89 ++ +
43a 19.7 ± 2.5 17.2 ± 0.3 + + + + + 16.0 ++ 90 +
45b 22.0 ± 0.0 19.5 ± 0.7 + + + + + 26.4 ++ 100 +++ +

L. ingluviei 9e 14.25 ± 0.5 12.4 ± 0.5 + + + no +++ 100
14e 12.0 ± 0.0 12.0 ± 1.4 + + + + + no ++ 100 +
18b 14.0 ± 0.0 12.0 ± 0.0 + + + + no +++ 100 + +
28c 23.7 ± 0.3 21.7 ± 1.2 + + + + + no +++ 95 +
43d 22.7 ± 0.3 19.25 ± 0.3 + + + + + no +++ 100

L. saerimneri 7b 16.5 ± 0.7 15.5 ± 0.0 + + + + no +++ 100 +
24c 14.2 ± 1.1 14.0 ± 1.4 + + no +++ 100 +
44d 15.7 ± 0.3 13.2 ± 1.1 + + + + no +++ 100 +

L. oris 40g 16.7 ± 0.5 13.7 ± 1.5 + + + + + 90.5 +++ 91 + +
50c 17.9 ± 0.6 15.4 ± 1.9 + + + + + 88.4 +++ 100 ++
Mean: 18.3 ± 4.3 16.7 ± 3.7

Grey highlights indicate strains that meet all basic criteria for probiotics.