Table 3.
In vitro antibacterial activity of extracts of Z. leprieurii, Z. zanthoxyloides and acridone alkaloids
| |
MIC expressed in μg/mL |
|||
|---|---|---|---|---|
| Compounds | BS | ML | PA | SA |
|
1 |
>500 |
>500 |
500 |
>500 |
|
3 |
nt |
125 |
125 |
nt |
|
4 |
250 |
125 |
>500 |
250 |
|
7 |
250 |
500 |
>500 |
500 |
|
8 |
nt |
>500 |
250 |
nt |
|
10 |
nt |
>500 |
250 |
nt |
| Kanamycin |
0.53 |
4.16 |
62.5 |
6.94 |
| Extracts |
|
|
|
|
|
Z. leprieurii |
>1000 |
250 |
1000 |
>1000 |
| Z. zanthoxyloides | >1000 | 500 | >1000 | >1000 |
Gram-positive bacteria: BS = Bacillus subtilis MTCC121, ML = Micrococcus luteus MTCC2470 and SA = Staphylococcus aureus MTCC96, Gram-negative bacteria: PA = Pseudomonas aeruginosa MTCC741, nt = not tested. Kanamycin is the standard antibiotic.