Combined effects of EGCG and EC on HT29 cells
| EGCG concentration (μg/mL) | |||||||
|---|---|---|---|---|---|---|---|
| EC concentration (μg/mL) | 0.1 | 1 | 10 | 20 | |||
| 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).