Research Article
Antioxidant and Antimicrobial Activity of Polyphenols Extracted after Adsorption onto Natural Clay “Ghassoul”
Table 2
Minimum inhibitory concentration (MIC) and minimum bactericidal concentration (MBC) for the studied extracts.
| | Bacteria | Gram | PPM | PPA | PPW | | MIC | MBC | MBC/MIC | MIC | MBC | MBC/MIC | MIC | MBC | MBC/MIC |
| | Escherichia coli | − | 0.270 ± 0.006 | — | | 0.125 ± 0.000 | — | - | 0.018 ± 0.006 | - | - | | Salmonella sp | − | 0.070 ± 0.000 | — | | 0.015 ± 0.000 | 0.125 ± 0.000 | 8.333 | 0.075 ± 0.000 | 0.290 ± 0.000 | 3.866 | | Staphylococcus aureus | + | 0.070 ± 0.000 | 0.270 ± 0.000 | 3.857 | 0.062 ± 0.004 | — | - | 0.075 ± 0.004 | 0.290 ± 0.004 | 3.866 | | Enterococcus faecalis | + | 0.017 ± 0.004 | — | | 0.125 ± 0.000 | — | - | 0.300 ± 0.000 | - | - |
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Note. “—” indicates no effect.
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