TABLE 3.
ANTIMICROBIAL ACTIVITY OF ALPINIA OFFICINARUM RHIZOME
| Microorganism | Zone of Inhibition (mm) | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| HA(HM) | HA(CM) | ME(PER) | Standard | ||||||||
| 1000 μg | 500μg | 250μg | 1000μg | 500μg | 250 μg | 1000μg | 500 μg | 250 μg | |||
| Gram Positive | Tetracycline 25 | ||||||||||
| Bacillus cereus | 27 | 23 | 18 | 22 | 17 | 13 | 19 | 17 | 12 | 25 | |
| Staphylococcus aureus | 38 | 29 | 24 | 29 | 27 | 26 | 27 | 26 | 18 | 35 | |
| Gram negative | |||||||||||
| Pseudomonas aeruginosa | 17 | 15 | 14 | 16 | 14 | 13 | 12 | 12 | 09 | 20 | |
| Escherichia coli | 23 | 18 | 13 | 17 | 16 | 11 | 09 | 07 | 04 | 19 | |
| Fungi | Amphotericin B | ||||||||||
| Candida albicans | 08 | 06 | 05 | 06 | 00 | 00 | 00 | 00 | 00 | 11 | |
| Aspergillus niger | 06 | 03 | 00 | 04 | 00 | 00 | 00 | 00 | 00 | 08 | |
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. Vehicle control containing DMSO did not produce any inhibition