Research Article
Essential Oil Extracted from Cymbopogon citronella Leaves by Supercritical Carbon Dioxide: Antioxidant and Antimicrobial Activities
Table 6
Minimal inhibitory concentration (MIC) of the essential oils with various extraction processes.
| | Immature stages | Inhibition zones (mm) | MIC (mg/mL) | | S. aureus | E. coli | A. niger | A. fumigatus | S. aureus | E. coli | A. niger | A. fumigatus |
| | SFE | 17.8 ± 1.2 | 25.2 ± 0.9 | 14.1 ± 1.0 | 33.1 ± 1.3 | 5.6 ± 0.2 | 1.4 ± 0.1 | 2.8 ± 0.2 | 5.6 ± 0 | | SDE | 14.2 ± 1.1 | 19.6 ± 1.2 | 23.1 ± 1.1 | 24.3 ± 1.3 | 5.6 ± 0.1 | 2.8 ± 0.2 | 1.4 ± 0.1 | 2.8 ± 0.2 | | Citral | 22.2 ± 0.6 | 18.7 ± 1.0 | 19.5 ± 3.4 | 14.6 ± 2.3 | 11.2 ± 0.5 | 11.2 ± 0.3 | 5.6 ± 0.1 | 11.2 ± 0.1 |
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