Table 3.
Composition of fennel, peppermint, pine, and thyme essential oils determined by gas chromatography coupled with a mass spectrometer (GC-MS).
| Peppermint Essential Oil | Thyme Essential Oil | Pine Essential Oil | Fennel Essential Oil | ||||
|---|---|---|---|---|---|---|---|
| Comp. | RT | Comp. | RT | Comp. | RT | Comp. | RT |
| β-Pinene | 7.035 | α-Pinene | 5.21 | α-Pinene | 4.83 | α-Pinene | 7.02 |
| Sabinene | 7.909 | α-Phellandrene | 5.42 | Camphene | 6.16 | Camphene | 8.75 |
| d-Limonene | 12.657 | α-Myrcene | 12.84 | β-Pinene | 7.94 | β-Pinene | 10.68 |
| Eucalyptol | 12.922 | 4-Carene | 13.23 | 3-Carene | 10.63 | β-Phellandrene | 11.55 |
| o-Cymene | 16.462 | Cineole | 14.42 | β-Myrcene | 12.04 | γ-Phellandrene | 13.96 |
| Isomenthone | 23.829 | 3-Carene | 16.28 | d-Limonene | 13.40 | Myrcene | 14.28 |
| d-Menthone | 24.754 | o-Cimene | 17.26 | β-Phellandrene | 13.74 | d-Limonene | 15.94 |
| Menthol, acetate | 27.353 | Camphor | 24.70 | Terpinolene | 16.98 | Cineol | 16.40 |
| Isopulegol | 27.533 | Linalool | 25.75 | Cariofilene | 26.22 | α-Phellandrene | 18.85 |
| Caryophyllene | 28.063 | Caryophilene | 26.90 | Germacrene | 28.94 | γ-Terpinene | 20.42 |
| β-Terpineol | 28.502 | Terpinene-4-ol | 27.04 | α-Eudesmene | 29.15 | o-Cimene | 21.12 |
| Pulegone | 29.614 | Carvacol methyl ether | 27.16 | α-Murolene | 29.33 | Fenchone | 28.26 |
| Levomenthol | 29.778 | Bomeol | 29.34 | Elixene | 29.49 | Camphor | 35.11 |
| Terpineol | 31.410 | Isoledene | 30.70 | Cadinene | 30.04 | Estragol | 44.73 |
| Piperitone | 31.930 | Tymol | 39.32 | Cadinol | 39.54 | Anethole | 53.57 |
| Carvacrol | 39.84 | Benzaldehyde | 62.80 | ||||