Table 1.
Antibacterial activity of L. catarinensis, L. majuscula and Padina pavonica against clinically isolated bacteria.
| Bacteria | Sample |
|||||||
|---|---|---|---|---|---|---|---|---|
|
L. catarinensis |
L. majuscule |
Padina pavonica |
Standard antibiotic |
|||||
| Inhibition zone (mm) | MIC (µg/ml) |
Inhibition zone (mm) | MIC (µg/ml) |
Inhibition zone (mm) | MIC (µg/ml) |
Inhibition zone (mm) | MIC (µg/ml) |
|
| Gram negative | Gentamycin | |||||||
|
Acinetobacter baumannii (RCMB 0100282-9) |
20.70 ± 1.50 | 03.90 | 18.30 ± 2.10 | 07.81 | 20.10 ± 1.20 | 03.90 | 23.40 ± 1.20 | 00.98 |
| Escherichia coli (RCMB 010056) | 21.20 ± 2.10 | 01.95 | 16.30 ± 2.10 | 31.25 | 18.20 ± 0.63 | 07.81 | 20.30 ± 0.85 | 03.90 |
| Klebsiella pneumoniae (RCMB 0010093) | 23.40 ± 0.58 | 00.98 | 20.50 ± 1.20 | 01.95 | 22.60 ± 2.10 | 03.90 | 27.20 ± 2.10 | 00.49 |
| Proteous mirablilis (RCMB 0100254-2) | 00.00 | ND | 00.00 | ND | 00.00 | ND | 21.20 ± 1.20 | 01.95 |
|
Pseudomonas aeruginosa (RCMB 0100243-5) |
21.30 ± 0.63 | 01.95 | 17.20 ± 1.50 | 15.63 | 19.60 ± 0.63 | 03.90 | 20.60 ± 1.50 | 01.95 |
| Gram positive | Ampicillin | |||||||
|
Bacillus substilis (RCMB 0100169-3) |
17.39 ± 2.10 | 15.57 | 14.70 ± 1.50 | 62.50 | 21.70 ± 1.50 | 01.95 | 22.30 ± 0.63 | 01.95 |
|
Staphylococcus aureus (RCMB 010027) |
20.49 ± 1.20 | 03.90 | 17.10 ± 1.00 | 15.63 | 21.70 ± 0.58 | 01.95 | 22.00 ± 1.00 | 01.95 |
|
Staphylococcus epidermidis (RCMB 010024) |
15.70 ± 0.58 | >1000 | 14.30 ± 1.50 | 62.50 | 18.30 ± 0.58 | 07.81 | 23.00 ± 1.20 | 00.98 |
|
Streptococcus pyogenes (RCMB 0100174-2) |
16.20 ± 1.50 | 5000 | 17.70 ± 0.58 | 15.63 | 20.70 ± 1.20 | 01.95 | 22.70 ± 0.58 | 00.98 |
|
Streptococcus sanguis (RCMB 0100171-3) |
00.00 | ND | 00.00 | ND | 00.00 | ND | 21.70 ± 1.50 | 01.95 |
ND, not determined. These are the mean of three determinations.