Table 5.
Removal percentages of one-day Streptococcus mutans biofilm formed on 96-well polystyrene plate surface and percent of adhesion inhibition of S. mutans with different concentrations of surfactin solutions
| Biosurfactant concentration (mg/mL) | Anti-biofilm activity (%) | Anti-adhesive activity (%) |
|---|---|---|
| 80 | 62.2 ± 7.1* | 94.85 ± 1.47 |
| 40 | 53.7 ± .6.0 | 92.27 ± 1.27 |
| 20 | 46.3 ± 6.5 | 88.08 ± 1.9 |
| 10 | 35.8 ± 8.3 | 79.22 ± 3.95 |
| 5 | 23.9 ± 5.4 | 65.05 ± 4.10 |
| 2.5 | 21.9 ± 8.2 | 59.74 ± 3.62 |
| 1.25 | 23.4 ± 8.7 | 54.91 ± 3.62 |
| 0.63 | 22.9 ± 6.9 | 52.17 ± 5.57 |
*Data are shown as mean of three independent replicates ± standard deviation.