Table 6.
Antibacterial activity against S. aureus ATCC 25923 of sub-fractions obtained from G4, G5, and G6 of U. rigida (Ghar El Melh).
| Sub-fractions obtained by TLCp or LH20 | Diametre (mm) | MIC (μg/ml) | |
|---|---|---|---|
| G4 (4) | 17.3±0.5 | 20 | |
| G5 (5) | 17.6±0.5 | 40 | |
| G6 (2) | 18±0.5 | 20 | |
| B4 | 20.3±0.5 | 20 | |
| A | 16.6±0.5 | 10 | |
| B | 13±0 | 40 | |
| C | 20.6±0.5 | 10 | |
| D | 24.3±1.1 | 20 | |
| FX6 | 18.6±0.5 | 10 |
LH20: Liquid Sephadex chromatography; TLCp: preparative thin layer chromatography; MIC: minimal inhibitory concentration. Fractions were tested at a concentration of 40 μg/disc; +/-: represents the standard deviation; the number of independent replicates was n=3.