Table 1.
Antimicrobial activity of different extracts of Galaxaura rugosa.
| Extract Test organism |
Mean diameter of inhibition zone (mm) |
||||||
|---|---|---|---|---|---|---|---|
| Total (Ethanol) | Lipoidal matter | Chloroform | n-Butanol | Aqueous | Powder | Standard antibiotic | |
|
Bacteria Gram-negative |
Gentamycin | ||||||
| Escherichia coli | 15 | 18 | 22 | 16 | 22 | 15 | 36 |
| Klebsiella pneumoniae | 14 | 19 | 24 | 15 | 16 | 14 | 23 |
| Proteous vulgaris | 18 | 22 | 20 | 19 | 15 | 16 | 31 |
| Pseudomonas aeruginosa | 00 | 00 | 15 | 00 | 00 | 00 | 25 |
| Salmonella typhimrium | 00 | 14 | 21 | 15 | 15 | 00 | 27 |
| Gram-positive | |||||||
| Bacillus substilis | 14 | 18 | 17 | 16 | 16 | 15 | 32 |
| Staphylococcus aureus | 19 | 14 | 22 | 21 | 18 | 20 | 30 |
| Staphylococcus epidermidis | 20 | 00 | 19 | 21 | 17 | 14 | 34 |
| Streptococcus mutans | 00 | 00 | 14 | 15 | 20 | 00 | 26 |
| Streptococcus pyogenes | 00 | 00 | 00 | 14 | 18 | 00 | 28 |
| Fungi | Ketocona-zole | ||||||
| Aspergillus fumigatus | 21 | 16 | 00 | 00 | 00 | 00 | 23 |
| Aspergillus niger | 15 | 22 | 00 | 00 | 00 | 00 | 24 |
| Candida albicans | 18 | 16 | 20 | 18 | 15 | 18 | 26 |
| Candida trobicalis | 17 | 19 | 25 | 19 | 16 | 23 | 27 |
| Cryptococcus neoformans | 20 | 15 | 27 | 22 | 18 | 15 | 31 |
| Geotricum candidum | 15 | 17 | 22 | 20 | 15 | 22 | 30 |
| Penicillium expansum | 14 | 23 | 00 | 00 | 00 | 00 | 28 |
| Syncephalastrum racemosum | 14 | 14 | 00 | 00 | 00 | 00 | 24 |
| Dermatophytes | Amphotericin B | ||||||
| Microsporum canis | 00 | 00 | 00 | 00 | 00 | 00 | 30 |
| Trichophyton mentagrophytes | 00 | 00 | 00 | 00 | 00 | 00 | 29 |
Values are expressed as mean ± SEM of 3 determinants.