Table 2 Retention time, relative frequency and relative abundance of identified mono- and sesquiterpenes in essential oil from A. artemisiifolia var. elatior leaves
From: Effect of elevated atmospheric carbon dioxide on the allelopathic potential of common ragweed
Monoterpenes | Sesquiterpenes | ||||
|---|---|---|---|---|---|
Compounds | R.T. | D.F. (%) | Compounds | R.T. | D.F. (%) |
2-Hexenal | 4.56 | 88 | Bicycloelemene | 17.51 | 21 |
Santolina triene | 5.57 | 63 | δ-Elemene | 17.59 | 46 |
α-Pinene | 6.40 | 96 | α-Copaene | 18.69 | 38 |
Camphene | 6.82 | 4 | β-Bourbonene | 18.92 | 13 |
Sabinene | 7.39 | 29 | β-Elemene | 19.04 | 38 |
β-Pinene | 7.54 | 83 | β-Caryophyllene | 19.88 | 100 |
β-Myrcene | 7.78 | 100 | γ-Elemene | 20.06 | 33 |
dl-Limonene | 8.93 | 100 | β-Cubebene | 20.11 | 4 |
1,3,6-Octatriene | 9.37 | 100 | Bergamotene | 20.14 | 83 |
Chrysanthenone | 11.58 | 33 | γ-Cadinene | 20.47 | 8 |
Borneol | 13.06 | 25 | β-Farnesene | 20.60 | 33 |
|  |  |  | β-Selinene | 20.76 | 8 |
|  |  |  | α-Caryophyllene | 20.79 | 92 |
|  |  |  | α-Selinene | 21.19 | 25 |
|  |  |  | γ-Curcumene | 21.27 | 17 |
| Â | Â | Â | Germacrene-D | 21.43 | 100 |
| Â | Â | Â | Aromadendrene | 21.61 | 17 |
| Â | Â | Â | Bicyclogermacrene | 21.76 | 88 |
|  |  |  | δ-Cadinene | 22.28 | 29 |
|  |  |  | β-Sesquiphellandrene | 22.40 | 4 |
|  |  |  | α-Gurjunene | 22.63 | 4 |
| Â | Â | Â | Elemol | 23.00 | 4 |
| Â | Â | Â | Germacrene B | 23.31 | 46 |
| Â | Â | Â | endo-1-Bourbonanol | 23.71 | 42 |