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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

From: Absolute quantification of terpenes in conifer-derived essential oils and their antibacterial activity

 α-PineneCampheneβ-Pinene3-CareneLimoneneBornyl acetateβ-CaryophylleneBorneolTotalE. coliS. aureus
[mM][μg/mL]
CEO16.00.11.11.00.9n.d.n.d.n.d.9.15.2 ± 1.81.6 ± 0
CEO25.0n.d.2.41.81.2n.d.0.1n.d.10.512.5 ± 05.2 ± 1.8
CEO36.8n.d.1.21.20.9n.d.n.d.n.d.10.212.5 ± 04.7 ± 2.2
CEO45.00.34.4n.d.0.7n.d.0.1n.d.10.537.5 ± 17.712.5 ± 0
CEO53.20.80.72.21.31.10.20.19.637.5 ± 21.733.3 ± 14.4
CEO65.8n.d.1.10.80.70.3n.d.n.d.8.65.2 ± 1.81.7 ± 1.4
CEO72.10.21.22.71.0n.d.0.3n.d.7.533.3 ± 14.425 ± 21.7
CEO83.1n.d.1.31.40.90.30.1n.d.7.26.3 ± 00.9 ± 0.6
CEO93.30.11.41.71.00.30.3n.d.8.033.3 ± 14.46.3 ± 0
CEO102.7n.d.1.42.01.40.30.4n.d.8.050 ± 050 ± 0
CEO112.80.41.80.50.50.70.3n.d.7.150 ± 050 ± 0
CEO122.21.60.81.30.42.4n.d.0.18.810.4 ± 3.68.3 ± 3.6
CEO131.81.90.40.70.33.0n.d.0.18.212.5 ± 012.5 ± 10.8
CEO140.81.1n.d.n.d.n.d.4.2n.d.0.36.31.2 ± 0.70.29 ± 0.2
CEO151.42.2n.d.1.40.53.5n.d.0.29.225 ± 012.5 ± 0
CEO161.52.30.31.60.62.90.10.39.550 ± 050 ± 0
CEO171.62.80.31.80.73.20.10.210.825 ± 012.5 ± 0
CEO181.92.10.41.70.63.5n.d.0.210.512.5 ± 012.5 ± 0
CEO191.72.10.31.50.62.8n.d.0.29.325±025±0
CEO201.42.2n.d.1.40.53.3n.d.0.29.037.5±17.737.5±17.7
CEO211.80.82.52.81.01.5n.d.0.110.450±050±0
CEO223.40.70.4n.d.3.8n.d.0.1n.d.8.350±012.5±0
CEO233.30.80.3n.d.3.4n.d.0.2n.d.8.025±06.25±0
CEO244.71.22.6n.d.2.3n.d.0.4n.d.11.141.7±14.433.3±14.4
CEO251.70.53.71.70.70.3n.d.0.18.712.5±03.13±0
CEO269.20.12.0n.d.0.4n.d.0.1n.d.11.850±018.8±8.8
Bornyl acetate         > 50±050±0