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Table 5 Inhibitory effect of cell-free supernatant solution and crude bacteriocin of L. delbrueckii 45E at different temperatures on selected pathogens

From: Antimicrobial and immunoregulatory effects of Lactobacillus delbrueckii 45E against genitourinary pathogens

Pathogens

Solution temperatures

Diameter of zone of inhibition (mm)

Cell-free supernatant

Crude bacteriocin solution

Group B Streptococcus

37 °C

39.6 ± 1.1

35.2 ± 0.5

40 °C

42.1 ± 0.2

35.3 ± 0.5

50 °C

35.3 ± 0.8

31.5 ± 0.2

Escherichia coli

37 °C

35.1 ± 0.8

32.4 ± 0.3

40 °C

37.6 ± 0.9

33.5 ± 0.3

50 °C

30.8 ± 0.7

30 ± 0.3

Klebsiella spp.

37 °C

30.8 ± 0.7

32 ± 0.3

40 °C

30.3 ± 0.7

32 ± 0.3

50 °C

28.5 ± 2.0

30.2 ± 0.3

Candida parapsilosis

37 °C

30.5 ± 2.0

25.7 ± 0.6

40 °C

30.1 ± 0.7

26.4 ± 0.6

50 °C

29.3 ± 0.7

20.8 ± 0.5

  1. Data are presented as the mean ± SD. The finding was based on the average values of three independent assays