Table 2.
Minimal microbicidal concentrations (MMC in μg/ml) of the studied samples and reference antibiotics against the tested microorganisms
Tested samples* |
Microorganisms, strains and MMC (μg/ml) |
|||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
E. coli |
P. aeruginosa |
K. pneumoniae |
E.aerogenes |
P. stuartii |
C. albicans |
M. smegmatis |
M. tuberculosis |
||||||
ATCC10536 | AG100 | PA01 | PA124 | ATCC11296 | KP55 | ATCC13048 | CM64 | NAE16 | ATCC 9002 | ATCC 700084 | ATCC 27294 | MTCS1 | MTCS2 | |
DMT |
512 |
>1024 |
1024 |
>1024 |
512 |
1024 |
512 |
>1024 |
256 |
128 |
256 |
256 |
>1024 |
>1024 |
1 |
>1024 |
ND |
ND |
ND |
ND |
ND |
1024 |
ND |
1024 |
ND |
ND |
NT |
NT |
NT |
2 |
1024 |
1024 |
ND |
ND |
ND |
ND |
ND |
ND |
>1024 |
ND |
512 |
>1024 |
ND |
ND |
3 |
128 |
128 |
8 |
128 |
256 |
128 |
64 |
128 |
64 |
128 |
128 |
64 |
256 |
64 |
4 |
ND |
ND |
1024 |
ND |
>1024 |
ND |
ND |
ND |
>1024 |
ND |
ND |
NT |
NT |
NT |
5 |
>1024 |
ND |
ND |
ND |
>1024 |
ND |
128 |
ND |
1024 |
64 |
ND |
NT |
NT |
NT |
6 |
>1024 |
>1024 |
>1024 |
ND |
256 |
ND |
64 |
ND |
>1024 |
16 |
ND |
NT |
NT |
NT |
7 |
8 |
512 |
64 |
ND |
16 |
256 |
32 |
ND |
256 |
32 |
256 |
256 |
1024 |
512 |
8 |
32 |
512 |
16 |
64 |
256 |
128 |
128 |
128 |
64 |
256 |
128 |
128 |
128 |
128 |
9 |
ND |
ND |
ND |
ND |
ND |
ND |
1024 |
ND |
>1024 |
64 |
1024 |
512 |
ND |
>1024 |
RAb | 4 | 32 | 128 | 128 | 32 | 16 | 16 | 16 | 128 | 32 | 1 | 1 | 128 | 4 |
aTested samples [DMT: methanol extract from the twigs of Dorstenia mannii; dorsmanins A(1), B(2), C(3), D(4) E(6), F(7), G(8), I (9) and 6,8 diprenyleriodictyol (5); bRA : reference antibiotics were chloramphenicol for bacteria, nystatin for C. albicans, ciprofloxacin for M. smegmatis, isoniazid for M.tuberculosis; (−): MIC > 1024 μg/ml; (ND): not determined as MIC was >1024 μg/ml