Table 1.
Chemical characterization of copaiba oil by gas chromatography with a mass spectrometer detector (GC-MS).
| Compound | SiCop Area (%) | SiCop RT (min) | Cop Area (%) | Cop RT (min) |
|---|---|---|---|---|
| (-)-beta-Santalene | - | - | 0.2 | 24.9 |
| (-)-Cyperene | - | - | 0.3 | 23.0 |
| (-)-Isocaryophyllene | - | - | 3.6 | 26.4 |
| (-)-α-Panasinsen | 0.1 | 24.5 | - | - |
| (+)-b-Funebrene | - | - | 0.2 | 24.8 |
| I-β-Famesene | 2.1 | 22.9 | - | - |
| (E)-β-Famesene | - | - | 0.9 | 25.4 |
| (E)-γ-Bisabolene | 0.1 | 24.7 | - | - |
| (Z)-Oleic acid | 3.2 | 38.6 | - | - |
| 6,9-Guaiadene | 0.4 | 22.6 | - | - |
| Annonene | 0.2 | 37.0 | - | - |
| Caryophyllene oxide | 0.7 | 26.0 | 4.8 | 30.2 |
| cis-(-)-ª,4a,5,ª,9a-Hexahydro-3,5,5,9-tetramethyl(1H)benzoc | - | - | 0.3 | 32.6 |
| cis-α-Bergamotene | - | - | 23.1 | 24.5 |
| cis-α-Bisabolene | 2.5 | 24.0 | 1.1 | 27.2 |
| Copaene | 0.2 | 20.8 | 0.2 | 22.0 |
| Cyclosativene | 0.9 | 20.6 | - | - |
| Humulene | - | - | 0.7 | 25.2 |
| Humulene epoxide II | - | - | 1.2 | 31.2 |
| Kaur-16-en-18-al, (4α)- | 3.3 | 39.5 | - | - |
| Lanceol, cis | 0.1 | 26.8 | - | - |
| Limona ketone | - | - | 0.1 | 11.9 |
| Linoleic acid | 4.8 | 38.5 | - | - |
| Methyl kolavenate | 0.3 | 41.0 | - | - |
| ni | - | - | 0.7 | 32.9 |
| ni | - | - | 0.7 | 33.5 |
| ni | - | - | 0.5 | 31.5 |
| ni | - | - | 0.3 | 31.7 |
| ni | - | - | 0.3 | 27.6 |
| ni | - | - | 0.2 | 32.2 |
| ni | 0.2 | 28.7 | - | - |
| ni | - | - | 0.2 | 34.3 |
| ni | - | - | 0.2 | 28.2 |
| ni | - | - | 0.2 | 31.4 |
| ni | - | - | 0.1 | 30.8 |
| ni | - | - | 0.1 | 31.0 |
| ni | - | - | 0.1 | 45.6 |
| ni | 0.1 | 27.3 | - | - |
| ni | 0.1 | 30.0 | - | - |
| Sesquiphellandrene | - | - | 0.8 | 28.0 |
| Sesquithujene | - | - | 0.4 | 22.7 |
| trans-α-Bisabolene | 3.8 | 25.0 | - | - |
| α-Bergamotene | 22.3 | 22.4 | 0.1 | 23.7 |
| α-Bisabolene | - | - | 1.8 | 28.7 |
| α-Bisabolol | - | - | 0.7 | 34.0 |
| α-Cyprene | 0.8 | 21.5 | - | - |
| α-Selinene | 3.6 | 23.9 | 0.4 | 26.8 |
| β-Bisabolene | 36.9 | 24.2 | 50.2 | 27.4 |
| β-Caryophyllene | 2.9 | 22.0 | 5.1 | 23.8 |
| β-Elemene | 3.1 | 21.3 | - | - |
| β-Selinene | 5.2 | 23.7 | - | - |
| β-Sesquiphellandrene | 2.0 | 24.6 | - | - |
| γ-Muurolene | - | - | 0.1 | 26.1 |
| δ-Elemene | 0.1 | 19.8 | - | - |
SiCop: copaiba oil after silylation; Cop: copaiba oil; ni: not identified; RT (min): retention time in minutes.