Table 3.
MICs (μg/mL) of the crude extracts and ciprofloxacin on the panel of tested bacteria
| Bacterial strains | Studied samples and MIC (μg/mL) | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Beilschmedia acuta | Clausena anisata | Newbouldia laevis | Polyscias fulva | Reference drug | |||||||
| L | B | F | L | R | L | B | L | B | R | CIP | |
| Escherichia coli | |||||||||||
| ATCC 10536 | >256 | 64 | >256 | 256 | 256 | 128 | >256 | >256 | >256 | >256 | 1 |
| AG 100A | >256 | 128 | >256 | >256 | >256 | 256 | >256 | >256 | >256 | >256 | <0.5 |
| AG 100 | >256 | 16 | >256 | >256 | >256 | >256 | >256 | >256 | >256 | >256 | 16 |
| AG 100ATet | >256 | 256 | >256 | >256 | >256 | >256 | >256 | >256 | >256 | >256 | 64 |
| AG 102 | >256 | 64 | >256 | >256 | >256 | >256 | >256 | >256 | >256 | >256 | 4 |
| MC 4100 | 256 | 128 | 256 | 256 | 256 | 128 | >256 | 256 | >256 | 256 | 16 |
| W 3110 | 256 | <8 | 256 | 256 | 256 | 128 | >256 | 128 | >256 | 128 | 32 |
| Enterobacter aerogenes | |||||||||||
| ATCC 13048 | >256 | 16 | >256 | >256 | >256 | >256 | >256 | 256 | >256 | >256 | 32 |
| CM 64 | >256 | 16 | >256 | >256 | >256 | >256 | >256 | >256 | >256 | >256 | 64 |
| EA3 | >256 | 64 | >256 | >256 | >256 | >256 | >256 | >256 | >256 | >256 | 16 |
| EA27 | >256 | 64 | >256 | >256 | >256 | 128 | >256 | 256 | >256 | >256 | 4 |
| EA 294 | >256 | 64 | >256 | >256 | 256 | 256 | >256 | >256 | >256 | >256 | 2 |
| EA 289 | >256 | 256 | 256 | >256 | >256 | >256 | >256 | >256 | >256 | >256 | 128 |
| EA 298 | >256 | 256 | 256 | >256 | >256 | >256 | >256 | >256 | >256 | >256 | 16 |
| Klebsiella pneumoniae | |||||||||||
| ATCC11296 | 128 | <8 | 256 | 256 | 256 | 128 | >256 | 128 | 256 | 128 | <0.5 |
| K2 | >256 | 256 | >256 | >256 | >256 | >256 | >256 | >256 | >256 | >256 | 16 |
| KP55 | >256 | 32 | >256 | >256 | >256 | >256 | >256 | >256 | >256 | >256 | 4 |
| KP63 | 128 | 64 | 128 | 256 | >256 | 256 | >256 | 128 | >256 | 128 | 4 |
| Providencia stuartii | |||||||||||
| ATCC29916 | >256 | 128 | >256 | >256 | >256 | >256 | >256 | >256 | >256 | >256 | 32 |
| PS2636 | 256 | 64 | 256 | 256 | 128 | 128 | >256 | 256 | >256 | >256 | 64 |
| PS299645 | >256 | 256 | >256 | >256 | >256 | >256 | >256 | >256 | >256 | >256 | 32 |
| NAE16 | >256 | 32 | >256 | >256 | >256 | >256 | >256 | >256 | >256 | >256 | 128 |
| Enterobacter cloacae | |||||||||||
| ECCI69 | >256 | 256 | >256 | >256 | >256 | >256 | >256 | >256 | >256 | >256 | 256 |
| BM67 | >256 | 256 | >256 | >256 | >256 | >256 | >256 | >256 | >256 | >256 | 32 |
| Pseudomonas aeruginosa | |||||||||||
| PA01 | >256 | 64 | 256 | >256 | >256 | >256 | >256 | >256 | >256 | >256 | 16 |
| PA124 | >256 | 32 | >256 | >256 | >256 | >256 | >256 | >256 | >256 | >256 | 32 |
The tested extracts were obtianed from the leaves (L), bark (B), roots (R) or fruits (F); CIP: ciprofloxacin]; MIC and MBC data with values up to 1024 μg/mL are provided as supporting information (Additional file 1: Table S1)