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Table 1 MIC, MBC, MBIC and MBEC determinations for nisin and supplemented guar-gum gel solutions, against 20 enterococci isolated from dogs with PD

From: Potential of two delivery systems for nisin topical application to dental plaque biofilms in dogs

Strain identification

Nisin solution (μg/mL)

Supplemented guar-gum gel solution (μg/mL)

MIC

MBC

MBIC

MBEC

MIC

MBC

MBIC

MBEC

M2b

E. faecalis

12.75

73.00

8.25

13.00

21.25

53.75

14.50

29.25

M2c

E. faecalis

15.75

85.50

8.00

31.00

22.50

75

20.25

43.75

M3b

E. faecalis

14.75

60.25

14.00

57.00

17.25

61.00

11.50

22.00

M3d

E. faecalis

15.75

82.25

14.00

50.00

22.00

79.75

15.50

33.25

M4a

E. faecalis

21.50

98.50

15.75

25.00

32.75

68.75

12.00

16.25

M4c

E. faecalis

26.75

+ 100

8.00

33.25

18.75

61.00

23.00

43.75

M15b

E. faecalis

19.25

77.00

22.25

59.00

23.50

27.75

7.50

10.75

M15d

E. faecalis

15.25

86.50

22.25

77.75

25.00

73.00

11.25

17.50

M21a

E. faecalis

12.50

59.75

14.00

39.00

25.00

47.00

8.25

17.50

M21c

E. faecalis

16.00

46.25

11.75

37.50

33.25

58.25

14.25

17.50

M23a

E. faecalis

12.50

64.50

10.75

26.50

29.75

64.00

14.50

18.50

M23c

E. faecalis

12.50

54.25

16.75

41.75

27.00

58.25

18.75

18.75

M25a

E. faecalis

12.50

91.25

11.75

36.75

23.75

56.25

14.50

33.25

M25c

E. faecalis

12.50

72.25

11.50

37.50

18.75

90.25

7.50

23.75

M28a

E. faecium

10.50

48.50

NA

NA

25.00

64.50

NA

NA

M28d

E. faecium

8.50

37.50

NA

NA

26.25

78.75

NA

NA

M29b

E. faecalis

12.50

41.00

10.50

72.25

23.50

62.50

5.75

6.50

M29c

E. faecium

12.50

39.25

NA

NA

18.75

54.75

NA

NA

M32a

E. faecalis

17.50

79.25

16.75

41.75

27.00

66.75

5.75

12.50

M32b

E. faecalis

16.25

69.25

15.00

40.75

31.25

60.50

7.00

7.00

E. faecalis ATCC® 29,212

15.00

+ 100

20.00

60.25

25.00

29.25

16.75

68.75

Average

14.90

66.63

13.60

42.34

24.61

63.09

12.46

21.87

SD

4.10

19.55

4.31

16.61

4.64

13.22

5.16

11.33

  1. M mouth, SD standard deviation, NA not applicable, MIC minimum inhibitory concentration, MBC minimum bactericidal concentration, MBIC minimum biofilm inhibitory concentration, MBEC minimum biofilm eradication concentration