Table 3.
Minimum inhibitory concentration (MIC) and minimum bactericidal concentration (MBC) of Kocuria sp. RAM1 carotenoids against some bacterial pathogens.
| Pathogen | MIC | MBC | ||
|---|---|---|---|---|
| (µg/ml) | Zone of Inhibition (mm) | (µg/ml) | ||
| Gram-positive | Staphylococcus aureus (ATCC 25923) | 125 | 8 ± 1.15 | 1000 |
| Bacillus subtilis (ATCC 6633) | 125 | 6 ± 0.58 | > 1000 | |
| Enterococcus faecalis (ATCC 29212) | 500 | 13 ± 1.73 | > 1000 | |
| Gram-negative | Escherichia coli (ATCC 8739) | 500 | 10 ± 1.00 | 1000 |
| Pseudomonas aeruginosa (ATCC 9027) | 500 | 11 ± 0.58 | > 1000 | |
| Klebsiella pneumoniae (ATCC 13883) | 500 | 9 ± 1.73 | 1000 | |