Table 3.
Minimum inhibitory concentration (MIC) and minimum bacterial concentration (MBC) of three isolated sub-fractions against Staphylococcus aureus ATCC 25923 and Streptococcus mutans Ingbritt 1600.
| Sample | Staphylococcus aureus ATCC 25923 | Streptococcus mutans Ingbritt 1600 | ||
| MIC (μg/mL) | MBC (μg/mL) | MIC (μg/mL) | MBC (μg/mL) | |
| Sub-fraction 1 | 1.5–3.1 | 26–53 | 3.1–6.25 | 53–106 |
| Sub-fraction 2 | > 210 | > 210 | > 210 | > 210 |
| Sub-fraction 3 | > 210 | > 210 | > 210 | > 210 |
| Positive control* | 1.5–3.1 | 3.1–6.25 | 0.75–1.5 | 1.5–3.1 |
*Positive control: digluconate chlorhexidine 0.12% – Sigma®.
Experiments carried out in triplicate.