Table 2.

Combined effects of EGCG and EC on HT29 cells

EGCG concentration (μg/mL)
EC concentration (μg/mL)0.111020
1+++
10±+++
50±±+++++
100±±+++++
  • NOTE: Summary of symbols: −, (CI) 1.1-1.3 (moderate antagonism); ±, CI 0.9-1.1 (additive effect); +, CI 0.8-0.9 (slight synergism); ++, CI 0.6-0.8 (moderate synergism); +++, CI 0.4-0.6 (synergism).