Table 6 Biosurfactant as an antimicrobial agent produced by O. intermedium strain MZV101
| Microorganism | Zone of inhibition diameter (mm) |
|---|---|
| Gram positive | |
| Bacillus subtilis (ATCC 465) | 3 |
| Bacillus cereus (ATCC11778) | 4 |
| Enterococcus faecalis (ATCC11778) | 3 |
| Staphylococcus aureus (ATCC 25923 s) | 2 |
| Streptococcus pyogenes (ATCC 8668) | 4 |
| Gram negative | |
| Escherichia coli (ATCC 25922) | 14 |
| Pseudomonas aeruginosa (ATCC 85327) | 10 |
| Proteus vulgaris (ATCC 13315) | 12 |
| Salmonella typhi (PTCC 1609) | 11 |
| Fungi | |
| Aspergillus niger (N 402) | 1 |
| Candida albicans (ATCC 10231), | 0.5 |
| Klebsiella pneumoniae (ATCC 10031) | 1.5 |
| Saccharomyces cerevisiae (BY 4743) | 1 |