Table 1.
The GC data for essential oil components identified in cultivated L. angustifolia and commercial products, where tr indicates traces, less than 0.05%.
| No. | Compound | RI | Class | CLA | CP 1 | CP 2 | CP 3 | CP 4 | CP 5 | CP 6 | CP 7 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | α-Pinene | 937 | MH | 0.14 | 0.35 | 0.14 | 0.21 | 0.11 | 0.22 | 0.55 | 0.31 |
| 2 | Camphene | 947 | MH | 0.2 | tr | 0.17 | 0.17 | tr | 0.19 | 0.39 | 0.19 |
| 3 | β-Pinene | 967 | MH | tr | — | — | tr | 0.11 | 0.11 | 0.38 | tr |
| 4 | 1-Octen-3-ol | 973 | O | 0.10 | tr | 0.33 | 0.16 | 0.21 | 0.26 | 0.15 | 0.20 |
| 5 | 3-Octanone | 976 | O | 0.16 | 0.13 | 1.75 | 0.29 | 0.20 | 0.44 | tr | 1.38 |
| 6 | β-Myrcene | 980 | MH | 0.74 | 0.11 | 0.48 | 0.43 | 0.55 | 0.34 | 0.42 | 0.65 |
| 7 | 3-Octanol | 988 | O | — | — | 0.66 | — | — | — | tr | 0.43 |
| 8 | 3-Carene | 993 | MH | — | — | tr | 0.13 | — | tr | — | 0.13 |
| 9 | Acetic acid, hexyl ester | 1001 | O | 0.1 | 1.86 | 0.73 | 0.34 | 0.13 | 0.26 | 0.16 | 0.69 |
| 10 | p-Cymene | 1003 | MH | tr | 0.54 | — | tr | — | 0.25 | 0.14 | tr |
| 11 | o-Cymene | 1007 | MH | 0.13 | — | 0.24 | 0.18 | tr | 0.10 | — | 0.20 |
| 12 | Limonene | 1010 | MH | 0.33 | — | 1.21 | 0.55 | 0.33 | 0.40 | 0.74 | 0.93 |
| 13 | Eucalyptol | 1013 | MO | 0.42 | 5.38 | 1.58 | 0.86 | 2.17 | 0.79 | 3.57 | 0.90 |
| 14 | Trans-β- ocimene | 1022 | MH | 6.70 | 0.29 | 1.21 | 7.19 | 4.93 | 3.87 | 1.46 | 5.81 |
| 15 | cis-β-ocimene | 1031 | MH | 2.89 | 0.15 | 1.21 | 2.47 | 1.86 | 3.84 | 0.37 | 4.06 |
| 16 | γ-Terpinene | 1039 | MH | tr | 0.11 | 0.13 | 0.15 | tr | 0.11 | 0.14 | 0.30 |
| 17 | Linalool oxide | 1051 | MO | 1.10 | — | 0.21 | 0.16 | tr | 0.33 | 0.19 | 0.23 |
| 18 | α-Terpinolene | 1064 | MH | 0.20 | 0.14 | tr | tr | 0.11 | tr | 0.29 | 0.14 |
| 19 | β-Linalool | 1087 | MO | 23.13 | 34.04 | 35.99 | 24.34 | 35.32 | 26.60 | 24.68 | 26.92 |
| 20 | 1-Octen-3-yl acetate | 1095 | O | 1.01 | — | 0.46 | 0.68 | 0.36 | 0.76 | 0.25 | 0.82 |
| 21 | Camphor | 1123 | MO | 0.34 | 2.78 | 0.47 | 0.29 | 0.13 | 0.46 | 8.29 | 0.28 |
| 22 | Isoborneol | 1140 | MO | — | 0.64 | — | — | — | — | — | — |
| 23 | Lavandulol | 1150 | MO | — | — | 2.34 | — | 1.64 | — | — | 1.68 |
| 24 | Endo-borneol | 1151 | MO | 1.68 | 1.62 | — | 1.44 | — | 2.44 | 2.82 | — |
| 25 | (-)-Terpinen-4-ol | 1161 | MO | 2.28 | 2.15 | 2.64 | 3.97 | 1.54 | 3.36 | 3.48 | 5.34 |
| 26 | Cryptone | 1166 | MO | 0.37 | — | 0.35 | 0.28 | — | — | — | 0.22 |
| 27 | α-Terpineol | 1179 | MO | 3.95 | 0.66 | 1.29 | 0.98 | — | 0.75 | 0.64 | 1.15 |
| 28 | Cis-geraniol | 1214 | MO | 0.17 | — | 0.16 | tr | 0.21 | 0.10 | — | 0.13 |
| 29 | Cuminal | 1215 | MO | — | — | 0.20 | 0.15 | — | tr | — | — |
| 30 | Linalyl acetate | 1249 | MO | 31.46 | 39.91 | 20.79 | 36.97 | 35.39 | 36.03 | 36.47 | 30.79 |
| 31 | Bornyl acetate | 1273 | MO | 0.57 | 0.26 | — | 0.22 | 0.13 | 0.14 | tr | 0.15 |
| 32 | Lavandulyl acetate | 1282 | MO | 4.21 | 0.41 | 3.57 | 3.87 | 2.88 | 3.67 | 2.40 | 3.53 |
| 33 | Nerol acetate | 1359 | MO | 1.01 | tr | 0.32 | 0.31 | 0.43 | 0.12 | 0.14 | 0.28 |
| 34 | Geranyl acetate | 1380 | MO | 1.85 | 0.11 | 0.51 | 0.51 | 0.81 | 0.44 | 0.23 | 0.45 |
| 35 | Zingiberene | 1440 | SH | — | — | 0.18 | tr | tr | tr | 0.11 | tr |
| 36 | Caryophyllene | 1407 | SH | 2.87 | 4.64 | 5.15 | 5.72 | 3.85 | 6.09 | 1.96 | 4.06 |
| 37 | α- Santalene | 1412 | SH | 0.87 | tr | — | 0.69 | 0.44 | 0.78 | 0.33 | 0.50 |
| 38 | Trans-α-bergamotene | 1427 | SH | 0.18 | — | 0.17 | 0.20 | 0.12 | 0.20 | — | 0.13 |
| 39 | Humulene | 1442 | SH | Tr | 0.28 | 0.13 | 0.14 | tr | 0.20 | tr | tr |
| 40 | Cis-β-farnesene | 1454 | SH | 3.99 | 0.23 | tr | 3.26 | 2.77 | — | — | 3.78 |
| 41 | Trans-β-farnesene | 1455 | SH | — | — | 6.85 | 0.14 | — | 2.39 | 1.37 | — |
| 42 | Gemacrene D | 1468 | SH | — | — | 0.89 | 0.61 | 0.59 | — | tr | 0.69 |
| 43 | β-Copaene | 1469 | SH | 0.56 | tr | — | — | — | — | tr | — |
| 44 | γ-Cadinene | 1490 | SH | — | — | 0.26 | 0.29 | tr | 0.25 | 0.26 | 0.19 |
| 45 | β-Sesquiphellandrene | 1510 | SH | — | — | 0.15 | — | tr | 0.14 | — | tr |
| 46 | Caryophyllene oxide | 1563 | SO | — | 0.15 | 0.50 | 0.34 | 0.14 | 0.65 | 0.10 | 0.26 |
| 47 | Tau-cadinol | 1607 | SO | tr | — | 0.13 | tr | — | 0.11 | 0.17 | tr |
| 48 | α-Bisabolol | 1615 | SO | — | tr | — | — | — | — | 0.38 | — |
|
| |||||||||||
| Terpene classes | |||||||||||
| Monoterpene hydrocarbons (MHs) | 11.33 | 1.68 | 4.79 | 1148 | 8.00 | 9.43 | 4.88 | 12.77 | |||
| Oxygenated monoterpenes (MOs) | 72.94 | 87.96 | 70.42 | 74.35 | 80.45 | 75.23 | 82.91 | 72.05 | |||
| Sesquiterpene hydrocarbons (SHs) | 8.47 | 5.15 | 13.78 | 11.05 | 7.77 | 10.05 | 4.03 | 9.35 | |||
| Oxygenated sesquiterpenes (SOs) | — | 0.15 | 0.63 | 0.34 | 0.14 | 0.76 | 0.65 | 0.26 | |||
| Others (O) | 1.37 | 1.99 | 3.93 | 1.47 | 0.90 | 1.72 | 0.56 | 3.52 | |||
| Total identified | 94.13 | 96.93 | 93.55 | 98.69 | 97.26 | 97.19 | 93.03 | 97.95 | |||
The results show the mean values of the three independent samples of each sample, CLA and CP 1–7. The standard error of the mean does not exceed 2% of it and has been removed to simplify reporting.