Table 3.
Minimal inhibitory concentration (MIC) and minimal inhibitory bactericidal concentration (MBC) of test plant extracts and chloramphenicol (µg/mL).
| Bacterial species |
Tested samples, MIC and MBC (in bracket) | |||||||||||
| ACT | ALD | AV | CPE | PAY | TM2 | TM1' (Bark) |
TM1' (leaves) |
TM1 (bark) |
TM1 (roots) |
TPM | CHL | |
| Escherichia coli |
||||||||||||
| ATCC 8739 |
- | - | - | - | - | - | - | 128(512) | - | - | - | 8(128) |
| AG100A | 512 (512) |
128 (128) |
- | 64 (256) |
- | - | - | - | 1024(-) | 16(128) | ||
| Klebsiella | - | - | - | - | - | 1024(-) | 1024(-) | 1024(-) | 512(-) | 1024(-) | 16(256-) | |
| KP55 | - | - | - | - | - | 512(1024) | - | 128(512) | - | 32(1024) | ||
| - | - | - | - | - | - | 512(-) | - | 1024(-) | 256(-) | 8(128) | ||
| CM64 | - | - | - | - | - | - | - | - | - | - | - | >256(-) |
| - | 1024 |
- | - | - | 1024(-) | - | - | 1024(-) | 32(1024) | |||
| NAE16 | - | - | - | 512(-) | - | - | - | - | 32(1024) | |||
(-):> 1024 µg/mL for the extracts; (in braket): MBC in µg/mL; AV: P. Americana, TM2: E. Africana; T M1': Young E. abyssinica, TM1: Old E. abyssinica, TPM:P. macrophylla, ACT: Al. cauliflora; ALD: A. leibrechtsiana, CPE: Carapa procera PAY: C. papaya, CHL: Chloramphenicol. (in bold): significant activity