Research Article
Antibacterial and Antioxidant Properties of the Methanolic Extract of the Stem Bark of Pteleopsis hylodendron (Combretaceae)
Table 3
MIC and MBC (μg/mL) of the fractions from chromatography separation of P. hylodendron.
| | Bacteria | Parameters | Fractions | Reference antibiotics | |
FA |
FB |
FC |
FD |
FE |
FF |
FG |
FH |
FI |
FJ | Amox | Cipro | Genta |
| | Gram− bacteria | | | | | | | | | | | | | | | | E. coli ATCC 11775 | MIC | — | — | — | — | 500 | — | 62.5 | 500 | 1000 | 1000 | 128 | 4 | 16 | | MBC | — | — | — | — | — | — | — | — | — | — | — | 4 | 128 | | MBC/MIC | — | — | — | — | — | — | — | — | — | — | — | 1 | 8 | | E. coli | MIC | — | — | — | — | 0.97 | 0.97 | 62.5 | 500 | 1000 | 1000 | 1 | 8 | 1 | | MBC | — | — | — | — | — | — | 250 | — | — | — | 1 | 8 | 1 | | MBC/MIC | — | — | — | — | — | — | 4 | — | — | — | 1 | 8 | 1 | | P. aeruginosa ATCC 27853 | MIC | — | — | — | — | — | — | 0.24 | 1000 | 1000 | 1000 | 128 | 1 | 8 | | MBC | — | — | — | — | — | — | 250 | — | — | — | — | 16 | 16 | | MBC/MIC | — | — | — | — | — | — | 20 | — | — | — | — | 16 | 2 | | P. mirabilis | MIC | — | — | — | — | 0.97 | 0.97 | — | 250 | 500 | 1000 | 1 | 1 | 2 | | MBC | — | — | — | — | 125 | 62.5 | — | — | — | — | 8 | 1 | 16 | | MBC/MIC | — | — | — | — | 14 | 12 | — | — | — | — | 8 | 1 | 8 | | S. flexneri | MIC | — | — | — | — | — | — | — | 250 | 500 | 1000 | 32 | 0.25 | 0.25 | | MBC | — | — | — | — | — | — | — | — | — | — | 64 | 1 | 0.25 | | MBC/MIC | — | — | — | — | — | — | — | — | — | — | 2 | 4 | 1 | | S. paratyphi A | MIC | — | — | — | — | — | — | 500 | 1000 | 1000 | — | — | 0.125 | 2 | | MBC | — | — | — | — | — | — | — | — | — | — | — | 0.5 | 2 | | MBC/MIC | — | — | — | — | — | — | — | — | — | — | — | 4 | 1 | | S. paratyphi B | MIC | — | — | — | — | 0.97 | 0.97 | 500 | 500 | 500 | 1000 | 1 | 0.5 | 2 | | MBC | — | — | — | — | — | — | — | — | — | — | 8 | 2 | 16 | | MBC/MIC | — | — | — | — | — | — | — | — | — | — | 8 | 4 | 8 | | S. typhi ATCC 6539 | MIC | — | — | — | — | — | — | 500 | 1000 | — | — | — | 0.25 | 32 | | MBC | — | — | — | — | — | — | — | — | — | — | — | 2 | 128 | | MBC/MIC | — | — | — | — | — | — | — | — | — | — | — | 8 | 4 | | Gram+ bacteria | | | | | | | | | | | | | | | | E. faecalis ATCC 10541 | MIC | — | — | — | — | 0.97 | 0.97 | 0.24 | 500 | 1000 | 1000 | 1 | 4 | 1 | | MBC | — | — | — | — | 0.97 | 250 | 0.24 | — | — | — | 1 | 16 | 1 | | MBC/MIC | — | — | — | — | 1 | 16 | 1 | — | — | — | 1 | 4 | 1 | | S. aureus ATCC 25922 | MIC | — | — | — | — | — | — | — | 500 | — | — | — | 8 | 4 | | MBC | — | — | — | — | — | — | — | — | — | — | — | 8 | 16 | | MBC/MIC | — | — | — | — | — | — | — | — | — | — | — | 1 | 4 | | S. aureus | MIC | — | — | — | — | 0.97 | 0.97 | 0.24 | 500 | 125 | 250 | 1 | 8 | 0.25 | | MBC | — | — | — | — | — | — | 0.97 | — | — | — | — | 8 | 0.25 | | MBC/MIC | — | — | — | — | — | — | 4 | — | — | — | — | 1 | 1 |
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F: fraction; Amox: amoxicillin; Cipro: ciprofloxacin; Genta: gentamicin.
—:>1000 g/mL for the fractions, and >128 g/mL for the reference antibiotic.
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