Table 3 Effects of green tea extract, EGCG, black tea extract, and theaflavins on killing of a F. nucleatum pre-formed biofilm.

From: Tea polyphenols inhibit the growth and virulence properties of Fusobacterium nucleatum

Compound

MBC (μg/ml)

Relative killing (%)

5 min

15 min

30 min

Green tea extract

1000

24.25 ± 11. 18

36.33 ± 14.45

54.40 ± 9.13

EGCG

1000

18.04 ± 15.11

42.70 ± 2.34

62.44 ± 7.03

Black tea extract

2000

0 ± 24.39

0 ± 7.43

34.6 ± 9.15

Theaflavins

500

0 ± 13.55

0 ± 16.48

41.26 ± 11.93

Chlorhexidine

4

0 ± 8.60

8.35 ± 2.63

14.22 ± 1.50

  1. Chlorhexidine was used as a positive control.