TABLE 4.
MINIMUM INHIBITORY CONCENTRATION OF ALPINIA OFFICINARUM RHIZOME
| Microorganisms | MIC of Rhizome extract (μg/ml) | ||
|---|---|---|---|
| HA (HM) | HA(CM) | ME(PER) | |
| Gram Positive | |||
| Bacillus cereus | 250 | 500 | 250 |
| Staphylococcus aureus | 31.25 | 125 | 250 |
| Gram negative | |||
| Pseudomonas auroginosa | 250 | 500 | >1000 |
| Escherichia coli | 250 | 500 | >1000 |
| Fungi | |||
| Candida albicans | 500 | 1000 | >1000 |
| Aspergillus niger | 500 | 500 | >1000 |
HA(HM) is hydroalcoholic extract prepared by hot maceration process, HA(CM) is hydroalcoholic extract prepared by cold maceration process and ME(PER) represents methanol extract prepared by percolation process. MIC is Minimum inhibitory concentration expressed in μg/ml