Table 3.
Antimicrobial activity in mg mL−1 of I. viscosa extracts.
| In ul a viscosa | ||||||
|---|---|---|---|---|---|---|
| Sample | Ethyl acetate extract | Methanol extract | DMSO (%) | |||
| c/mg mL−1 | MIC∗ | MBC∗∗ | MIC | MBC | MIC | MBC |
| Streptococcus mutans DSM 20523 | 0.15 | 1.25 | 1.25 | 5.00 | 5.00 | 40.00 |
| Streptococcus sobrinus DSM 20381 | 2.50 | 2.50 | 2.50 | 5.00 | 20.00 | 20.00 |
| Streptococcus oralis ATCC 35037 | 0.30 | 0.30 | 0.60 | 0.60 | 10.00 | 20.00 |
| Enterococcus faecalis ATCC 29212 | 2.50 | 5.00 | 5.00 | 5.00 | 20.00 | 80.00 |
| Candida albicans DSM 1386 | 1.25 | 2.50 | 5.00 | 5.00 | 10.00 | 10.00 |
| Escherichia coli ATCC 25922 | 2.50 | 5.00 | NA | NA | 20.00 | 40.00 |
| Staphylococcus aureus ATCC 25923 | 0.60 | 1.25 | 1.25 | 2.50 | 20.00 | 40.00 |
| Porphyromonas gingivalis W381 | 0.07 | 0.15 | 0.15 | 0.30 | 5.00 | 20.00 |
| Prevotella intermedia ATCC 25611 | 0.15 | 0.30 | 0.30 | 0.60 | 2.50 | 5.00 |
| Fusobacterium nucleatum ATCC 25586 | 0.30 | 0.60 | 0.60 | 1.25 | 10.00 | 10.00 |
| Parvimonas micra ATCC 23195 | 0.15 | 0.60 | 0.60 | 1.25 | 10.00 | 20.00 |
NA: no activity observed; MIC or MBC was measured at 10.00 mg mL−1.
*MIC: extract concentration at which the optical density (OD) measurement revealed minimal bacterial growth.
**MBC: extract concentration at which a three-log reduction (99.9%) of the bacterial growth was induced.