Table 2.
Minimal inhibition concentration (μg/ml) of the crude extracts and reference antibiotics
|
Tested samples |
Tested microorganisms* |
||||||||
|---|---|---|---|---|---|---|---|---|---|
| |
Bacteria |
Fungi |
Mycobacteria |
||||||
| βL+EC | CRCF | ARKP | CRPA | MRSA | C. albicans | M. audouinii | M. smegmatis | M. tuberculosis | |
|
A. oppositifolia leaves |
2500 |
1250 |
625 |
625 |
312.50 |
312.50 |
>2500 |
>2500 |
nt |
|
A. oppositifolia stem |
2500 |
>2500 |
>2500 |
312.50 |
312.50 |
312.50 |
312.50 |
>2500 |
nt |
|
A. karoo leaves |
156.25 |
312.50 |
156.25 |
156.25 |
156.25 |
78.12 |
625 |
1250 |
nt |
|
A. karoo stem |
156.25 |
312.50 |
78.12 |
156.25 |
78.12 |
156.25 |
78.12 |
1250 |
2500 |
|
B. latifolia leaves |
2500 |
2500 |
>2500 |
625 |
1250 |
625 |
312.50 |
>2500 |
nt |
|
C. dentata stem bark |
156.25 |
156.25 |
156.25 |
156.25 |
156.25 |
78.12 |
1250 |
1250 |
nt |
|
C. dentate leaves |
1250 |
625 |
312.50 |
312.50 |
78.12 |
78.12 |
>2500 |
1250 |
nt |
|
E. lasianthum leaves |
1250 |
312.50 |
156.25 |
625 |
312.50 |
312.50 |
312.50 |
>2500 |
nt |
|
E. lasianthum stem |
156.25 |
312.50 |
312.50 |
156.25 |
39.06 |
78.12 |
312.50 |
1250 |
625 |
|
K. vesitoria aerial part |
2500 |
2500 |
>2500 |
625 |
>2500 |
312.50 |
156.25 |
1250 |
39.06 |
|
P. obligum leaves |
625 |
312.50 |
312.50 |
156.25 |
625 |
156.25 |
>2500 |
>2500 |
nt |
|
P. obligun stem |
625 |
>2500 |
>2500 |
312.50 |
156.25 |
312.50 |
312.50 |
>2500 |
nt |
|
P. obligun bark |
78.12 |
>2500 |
>2500 |
>2500 |
156.25 |
156.25 |
78.12 |
156.25 |
156.25 |
|
S. burchellii leaves |
312.50 |
625 |
156.25 |
625 |
312.50 |
312.50 |
156.25 |
>2500 |
312.50 |
|
S. burchellii bark |
156.25 |
312.50 |
156.25 |
156.25 |
156.25 |
156.25 |
156.25 |
>2500 |
nt |
|
S. hyacithoides leaf |
625 |
1250 |
1250 |
312.50 |
>2500 |
312.50 |
312.50 |
>2500 |
nt |
|
S. hyacithoides Rhizoma |
625 |
312.50 |
625 |
>2500 |
>2500 |
156.25 |
156.25 |
>2500 |
nt |
|
S. africana aerial part |
39.06 |
312.50 |
312.50 |
156.25 |
39.06 |
156.25 |
39.06 |
312.50 |
312.50 |
|
T. capensis aerial part |
625 |
>2500 |
312.50 |
625 |
625 |
312.50 |
312.50 |
>2500 |
nt |
|
Z. aethiopica leaves and stem |
625 |
>2500 |
>2500 |
312.50 |
>2500 |
312.50 |
312.50 |
>2500 |
nt |
| Gentamicin |
9.76 |
9.76 |
19.53 |
19.53 |
9.76 |
nt |
nt |
nt |
nt |
| Nystatin |
nt |
nt |
nt |
nt |
nt |
19.53 |
19.53 |
nt |
nt |
| Ciprofloxacin |
nt |
nt |
nt |
nt |
nt |
nt |
nt |
0.3 |
nt |
| isoniazid | nt | nt | nt | nt | nt | nt | nt | nt | 0.13 |
*The tested microorganisms are MRSA (Methicillin-resistant Staphylococcus aureus), βL+EC (β-lactamase positive Escherichia coli), ARKP (Ampicillin-resistant Klebsiella pneumoniae), CRPA (Carbenicillin-resistant Pseudomonas aeruginosa), CRCF (Chloramphenicol-resistant Citrobacter), C. albicans (Candida albicans), M. audouinii (Microsporum audouinii); (nt): not tested.