Table 4: Effects of green tea extract, EGCG, black tea extract, and theaflavins on viability of oral epithelial cells (GMSM-K cell line) as determined with a MTT assay.

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

CompoundsCell viability (%)
None100 ± 23.12
 12595.78 ± 3.2
 62.5117.0 ± 10.9
 31.25144.2 ± 15.04
EGCG (μg/ml)
 12587.54 ± 8.0
 62.5132.6 ± 8.4
 31.25177.1 ± 4.7
Black tea extract (μg/ml)
 12585.87 ± 1.9
 62.590.22 ± 6.3
 31.25102.6 ± 5.5
Theaflavins (μg/ml)
 12583.9 ± 9.65
 62.592.65 ± 5.3
 31.25112.7 ± 7.0