Research Article
Antibacterial and Antioxidant Properties of the Methanolic Extract of the Stem Bark of Pteleopsis hylodendron (Combretaceae)
Table 2
MIC and MBC (μg/mL) of the methanolic extract of P. hylodendron.
| | Crude extract | Reference antibiotics | Bacteria | P. hylodendron | Amoxicillin | Ciprofloxacin | Gentamicin | | MIC | MBC | MBC/MIC | MIC | MBC | MBC/MIC | MIC | MBC | MBC/MIC | MIC | MBC | MBC/MIC |
| Gram− bacteria | | | | | | | | | | | | | E. coli ATCC 11775 | 3125 | 12500 | 4 | 128 | — | — | 4 | 4 | 1 | 16 | 128 | 8 | E. coli | 1562 | — | — | 1 | 1 | 1 | 8 | 8 | 1 | 1 | 1 | 1 | P. aeruginosa ATCC 27853 | 781 | 781 | 1 | 128 | — | — | 1 | 16 | 16 | 8 | 16 | 2 | P. mirabilis | 781 | 6250 | 8 | 1 | 8 | 8 | 1 | 1 | 1 | 2 | 16 | 8 | S. flexneri | 3125 | — | — | 32 | 64 | 2 | 0.25 | 1 | 4 | 0.25 | 0.25 | 1 | S. paratyphi A | 12500 | — | — | — | — | — | 0.125 | 0.5 | 4 | 2 | 2 | 1 | S. paratyphi B | 1562 | 6250 | 4 | 1 | 8 | 8 | 0.5 | 2 | 4 | 2 | 16 | 8 | S. typhi ATCC 6539 | 1562 | 6250 | 4 | — | — | — | 0.25 | 2 | 8 | 32 | 128 | 4 | Gram+ bacteria | | | | | | | | | | | | | E. faecalis ATCC 10541 | 1562 | 6250 | 4 | 1 | 1 | 1 | 4 | 16 | 4 | 1 | 1 | 1 | S. aureus ATCC 25922 | 3125 | 6250 | 2 | — | — | — | 8 | 8 | 1 | 4 | 16 | 4 | S. aureus | 781 | 1562 | 2 | 1 | — | — | 8 | 8 | 1 | 0.25 | 0.25 | 1 |
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—:12500 μg/mL for the extract and >128 μg/mL for the reference antibiotics.
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