Table 2.
Minimal inhibitory concentrations (MIC) and minimal bactericidal concentrations (MBC) of 15 purified compounds.
| MIC/MBC (μM) | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | |
| Baicalin | — | — | — | — | — | — | — | — | — |
| Baicalein | — | — | — | 25/25 | 100/100 | 25/ND | 300/300 | — | 25/25 |
| Wogonin | — | — | — | — | — | — | — | — | — |
| Acteoside | — | — | — | — | — | — | — | — | — |
| Berberine | 100/100 | 25/50 | 50/50 | 100/100 | 25/25 | 100/100 | — | 25/ND | 100/100 |
| Coptisine | 50/50 | 25/50 | 50/50 | 100/100 | 25/25 | 50/100 | — | 12.5/ND | 100/100 |
| [6]-Shogaol | — | 50/50 | 25/50 | 25/25 | 100/100 | 50/100 | — | — | 12.5/12.5 |
| [6]-Gingerol | — | — | — | — | — | — | — | — | — |
| Liquiritin | — | — | — | — | — | — | — | — | — |
| Glycyrrhizic acid | — | — | — | — | — | — | — | — | — |
| Ginsenoside Rg1 | — | — | — | — | — | — | — | — | — |
| Ginsenoside Rb1 | — | — | — | — | — | — | — | — | — |
| Corymboside | — | — | — | — | — | — | — | — | — |
| Homogentisic acid | — | — | — | — | 25/25 | — | — | — | 12.5/12.5 |
| Cyclic AMP | — | — | — | — | — | — | — | — | — |
—: not active; ND: not detected.
1: F. nucleatum; 2: P. gingivalis ATCC33277; 3: P. gingivalis 381; 4: P. endodontalis; 5: P. intermedia; 6: P. melaninogenica; 7: T. forsythia; 8: T. denticola; 9: P. asaccharolytica.