Table 3 Composition of BEO and gaseous phase in equilibrium with the liquid at 0 °C
From: Aromatherapy: composition of the gaseous phase at equilibrium with liquid bergamot essential oil
Entry | Compound | Essential oil compositiona | Gaseous phase composition at 0 °C | |||
|---|---|---|---|---|---|---|
tR (GC/MS) (min) | GC–MS (w/w% ± SD) | GC–MS (w/w% ± SD) | GC–FID (w/w% ± SD) | tR (GC/FID) (min) | ||
Cyclic hydrocarbon monoterpenes | ||||||
1 | α-Pinene | 6.14 | 1.03 ± 0.10 | 6.90 ± 0.10 | 7.06 ± 0.25 | 6.14 |
2 | β-Pinene | 8.19 | 6.56 ± 0.14 | 25.90 ± 0.40 | 26.68 ± 0.15 | 8.31 |
3 | α-Phellandrene | 9.48 | 0.04 ± 0.01 | – | – | – |
4 | α-Terpinene | 9.94 | 0.16 ± 0.02 | – | – | – |
5 | Limonene | 10.60 | 30.20 ± 0.77 | 58.07 ± 0.38 | 57.12 ± 0.35 | 10.48 |
6 | p-Cimene | 11.19 | 0.18 ± 0.01 | 6.36 ± 0.04 | 6.02 ± 0.08 | 11.61 |
7 | γ-Terpinene | 12.15 | 11.95 ± 0.32 | – | – | – |
8 | Terpinolene | 13.36 | 0.27 ± 0.03 | – | – | – |
Acyclic hydrocarbon monoterpenes | ||||||
9 | Mircene | 8.72 | 0.82 ± 0.02 | 2.19 ± 0.22 | 2.16 ± 0.15 | 8.49 |
10 | Ocimene | 11.03 | 0.08 ± 0.01 | – | – | – |
Acyclic oxygenated hydrocarbon monoterpenes | ||||||
11 | Linalool | 14.58 | 21.82 ± 0.87 | 3.04 ± 0.54 | 2.96 ± 0.33 | 14.55 |
12 | Linalyl acetate | 21.42 | 16.21 ± 0.84 | – | – | – |
13 | Neral | 22.94 | 0.21 ± 0.01 | – | – | – |
14 | Geranial | 24.46 | 0.11 ± 0.01 | – | – | – |
15 | Neryl acetate | 28.14 | 0.28 ± 0.02 | – | – | – |
Cyclic oxygenated hydrocarbon monoterpenes | ||||||
16 | α-Terpineol | 20.01 | 0.87 ± 0.08 | – | – | – |
Esters | ||||||
17 | Octyl acetate | 19.63 | 0.10 ± 0.01 | – | – | – |
Sesquiterpenes | ||||||
18 | β-Caryophyllene | 27.85 | 0.14 ± 0.02 | – | – | – |