Table 2.
Antimicrobial activities (MIC and MLC) of essential oils from the leaves of P. trimera and L. littoralis.
Strains | P. trimera Oil | L. littoralis Oil | ||
---|---|---|---|---|
MIC (% v/v) | MLC (% v/v) | MIC (% v/v) | MLC (% v/v) | |
Gram-Positive Bacteria | ||||
Staphylococcus aureus ATCC 43300 | 2 ± 0.5 | 2 ± 0.5 | >16 ± 0.5 | >16 ± 0.5 |
Staphylococcus aureus clinical strain | 2 ± 0.5 | 2 ± 0.5 | >16 ± 0.5 | >16 ± 1 |
Enterococcus faecalis clinical strain | 16 ± 0.5 | 16 ± 1 | >16 ± 1 | >16 ± 1 |
Gram-Negative Bacteria | ||||
Escherichia coli ATCC 35218 | >16 ± 1 | >16 ± 1 | >16 ± 1 | >16 ± 0.5 |
Escherichia coli clinical strain | >16 ± 1 | >16 ± 0.5 | >16 ± 0.5 | >16 ± 0.5 |
Pseudomonas aeruginosa ATCC 27853 | 16 ± 0.5 | >16 ± 1 | >16 ± 1 | >16 ± 1 |
Pseudomonas aeruginosa clinical strain | 16 ± 0.5 | >16 ± 0.5 | >16 ± 0.5 | >16 ± 1 |
Klebsiella pneumoniae clinical strain | >16 ± 0.5 | >16 ± 0.5 | >16 ± 0.5 | >16 ± 1 |
Yeast | ||||
Candida albicans 556 RM | 16 ± 1 | 16 ± 0.5 | 16 ± 0.5 | 16 ± 1 |
Candida glabrata clinical | 16 ± 1.5 | 16 ± 1 | >16 ± 0.5 | >16 ± 0.5 |
Candida tropicalis 1011 RM | 16 ± 0.5 | 16 ± 1 | 2 ± 0.5 | 2 ± 0.5 |
Candida parapsilosis RM | 8 ± 0.5 | 8 ± 0.5 | 2 ± 0.5 | 2 ± 0.5 |
MIC and MLC values represent the mean ± SD of three independent experiments. MIC: Minimum Inhibitory Concentrations. MLC: Minimum Lethal Concentrations.