Table 2 Absolute concentration [mM] of the terpenes and MIC [μg/mL] (n = 3) from the tested CEOs against E. coli and S. aureus, n.d. not determined
α-Pinene | Camphene | β-Pinene | 3-Carene | Limonene | Bornyl acetate | β-Caryophyllene | Borneol | Total | E. coli | S. aureus | |
|---|---|---|---|---|---|---|---|---|---|---|---|
[mM] | [μg/mL] | ||||||||||
CEO1 | 6.0 | 0.1 | 1.1 | 1.0 | 0.9 | n.d. | n.d. | n.d. | 9.1 | 5.2 ± 1.8 | 1.6 ± 0 |
CEO2 | 5.0 | n.d. | 2.4 | 1.8 | 1.2 | n.d. | 0.1 | n.d. | 10.5 | 12.5 ± 0 | 5.2 ± 1.8 |
CEO3 | 6.8 | n.d. | 1.2 | 1.2 | 0.9 | n.d. | n.d. | n.d. | 10.2 | 12.5 ± 0 | 4.7 ± 2.2 |
CEO4 | 5.0 | 0.3 | 4.4 | n.d. | 0.7 | n.d. | 0.1 | n.d. | 10.5 | 37.5 ± 17.7 | 12.5 ± 0 |
CEO5 | 3.2 | 0.8 | 0.7 | 2.2 | 1.3 | 1.1 | 0.2 | 0.1 | 9.6 | 37.5 ± 21.7 | 33.3 ± 14.4 |
CEO6 | 5.8 | n.d. | 1.1 | 0.8 | 0.7 | 0.3 | n.d. | n.d. | 8.6 | 5.2 ± 1.8 | 1.7 ± 1.4 |
CEO7 | 2.1 | 0.2 | 1.2 | 2.7 | 1.0 | n.d. | 0.3 | n.d. | 7.5 | 33.3 ± 14.4 | 25 ± 21.7 |
CEO8 | 3.1 | n.d. | 1.3 | 1.4 | 0.9 | 0.3 | 0.1 | n.d. | 7.2 | 6.3 ± 0 | 0.9 ± 0.6 |
CEO9 | 3.3 | 0.1 | 1.4 | 1.7 | 1.0 | 0.3 | 0.3 | n.d. | 8.0 | 33.3 ± 14.4 | 6.3 ± 0 |
CEO10 | 2.7 | n.d. | 1.4 | 2.0 | 1.4 | 0.3 | 0.4 | n.d. | 8.0 | 50 ± 0 | 50 ± 0 |
CEO11 | 2.8 | 0.4 | 1.8 | 0.5 | 0.5 | 0.7 | 0.3 | n.d. | 7.1 | 50 ± 0 | 50 ± 0 |
CEO12 | 2.2 | 1.6 | 0.8 | 1.3 | 0.4 | 2.4 | n.d. | 0.1 | 8.8 | 10.4 ± 3.6 | 8.3 ± 3.6 |
CEO13 | 1.8 | 1.9 | 0.4 | 0.7 | 0.3 | 3.0 | n.d. | 0.1 | 8.2 | 12.5 ± 0 | 12.5 ± 10.8 |
CEO14 | 0.8 | 1.1 | n.d. | n.d. | n.d. | 4.2 | n.d. | 0.3 | 6.3 | 1.2 ± 0.7 | 0.29 ± 0.2 |
CEO15 | 1.4 | 2.2 | n.d. | 1.4 | 0.5 | 3.5 | n.d. | 0.2 | 9.2 | 25 ± 0 | 12.5 ± 0 |
CEO16 | 1.5 | 2.3 | 0.3 | 1.6 | 0.6 | 2.9 | 0.1 | 0.3 | 9.5 | 50 ± 0 | 50 ± 0 |
CEO17 | 1.6 | 2.8 | 0.3 | 1.8 | 0.7 | 3.2 | 0.1 | 0.2 | 10.8 | 25 ± 0 | 12.5 ± 0 |
CEO18 | 1.9 | 2.1 | 0.4 | 1.7 | 0.6 | 3.5 | n.d. | 0.2 | 10.5 | 12.5 ± 0 | 12.5 ± 0 |
CEO19 | 1.7 | 2.1 | 0.3 | 1.5 | 0.6 | 2.8 | n.d. | 0.2 | 9.3 | 25±0 | 25±0 |
CEO20 | 1.4 | 2.2 | n.d. | 1.4 | 0.5 | 3.3 | n.d. | 0.2 | 9.0 | 37.5±17.7 | 37.5±17.7 |
CEO21 | 1.8 | 0.8 | 2.5 | 2.8 | 1.0 | 1.5 | n.d. | 0.1 | 10.4 | 50±0 | 50±0 |
CEO22 | 3.4 | 0.7 | 0.4 | n.d. | 3.8 | n.d. | 0.1 | n.d. | 8.3 | 50±0 | 12.5±0 |
CEO23 | 3.3 | 0.8 | 0.3 | n.d. | 3.4 | n.d. | 0.2 | n.d. | 8.0 | 25±0 | 6.25±0 |
CEO24 | 4.7 | 1.2 | 2.6 | n.d. | 2.3 | n.d. | 0.4 | n.d. | 11.1 | 41.7±14.4 | 33.3±14.4 |
CEO25 | 1.7 | 0.5 | 3.7 | 1.7 | 0.7 | 0.3 | n.d. | 0.1 | 8.7 | 12.5±0 | 3.13±0 |
CEO26 | 9.2 | 0.1 | 2.0 | n.d. | 0.4 | n.d. | 0.1 | n.d. | 11.8 | 50±0 | 18.8±8.8 |
Bornyl acetate | > 50±0 | 50±0 | |||||||||