Table 5.
MIC and MBC of P. jacquemontiana extracts against gram positive and gram negative bacteria
| Extract/Fractions (μg /ml) | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| PJM | PJH | PJC | |||||||
| Isolate(s) | MIC | MBC | MBC/MIC | MIC | MBC | MBC/MIC | MIC | MBC | MBC/MIC |
| Staphylococcus aureus | |||||||||
| MDR (6301) | 32 | 64 | 02 | 64 | 256 | 04 | 128 | 512 | 04 |
| MDR (3884) | 16 | 64 | 04 | 128 | 256 | 02 | 128 | 256 | 02 |
| MRSA (12861) | 08 | 32 | 04 | 16 | 128 | 08 | 32 | 128 | 04 |
| MDR (9861) | 32 | 64 | 02 | 32 | 128 | 04 | 128 | 256 | 02 |
| (5764) | 16 | 128 | 08 | 128 | 256 | 02 | 64 | 256 | 04 |
| (31414) | 08 | 32 | 04 | 16 | 128 | 08 | 32 | 256 | 08 |
| Staphylococcus lugdenesis | |||||||||
| MDR (6197) | 32 | 128 | 04 | 64 | 128 | 02 | 512 | 512 | 01 |
| (4338) | 16 | 64 | 04 | 64 | 256 | 04 | – | – | – |
| Escherichia coli | |||||||||
| MDR (52331) | 32 | 128 | 04 | 64 | 128 | 02 | 256 | 512 | 02 |
| (22244) | 08 | 64 | 08 | 32 | 64 | 02 | 64 | 256 | 04 |
| “a” | 08 | 32 | 04 | – | – | – | – | – | – |
| “b” | 08 | 32 | 04 | – | – | – | – | – | – |
| Klebsiella pneumoniae | |||||||||
| MDR (82431) | 64 | 256 | 04 | 128 | 512 | 04 | 128 | 512 | 04 |
| ESBL MDR (87005) | 16 | 64 | 04 | 64 | 256 | 04 | 256 | 512 | 02 |
| (34529) | 08 | 32 | 04 | 08 | 64 | 08 | 32 | 128 | 04 |
| (35967) | 08 | 32 | 04 | – | – | – | – | – | – |
| “a” | 08 | 64 | 08 | – | – | – | – | – | – |
| Pseudomonas aeruginosa | |||||||||
| (27853) | 08 | 64 | 08 | 32 | 128 | 04 | 128 | 256 | 02 |
| Coagulase negative staphylococci | |||||||||
| (12731) | 64 | 128 | 02 | 64 | 256 | 04 | 128 | 512 | 04 |
MIC minimum inhibitory concentration, MBC minimum bactericidal concentration, PJM methanol extract of P. jacquemontiana leaves, PJH n-hexane fraction of PJM, PJC chloroform fraction of PJM; −: no zone of inhibition