Table 1.
Volatile constituents of E. elatior leaf essential oils from hydrodistillation (HD) and microwave-assisted hydrodistillation (MAHD).
| Compounds | CAS No. | HD | MAHD | |
|---|---|---|---|---|
| Aldehyde | Decanal | 112-31-2 | 0.556 | 0.705 |
| Undecanal | 112-44-7 | 0.203 | - | |
| Dodecanal | 112-54-9 | 10.024 | 12.422 | |
| Alkene | 9-Octadecyne | 35365-59-4 | - | 0.725 |
| Carboxylic ester | 9-Tetradecen-1-ol, acetate, (E)- | 23192-82-7 | 0.249 | 0.919 |
| 1-Tetradecyl acetate | 638-59-5 | 0.334 | 0.669 | |
| Lauryl acetate | 112-66-3 | 2.245 | 6.599 | |
| Dialkyl ketone | 2-Undecanone | 112-12-9 | 0.274 | - |
| Fatty acids | Dodecanoic acid | 143-07-7 | 0.542 | - |
| Hexadecanoic acid | 57-10-3 | 0.334 | 1.136 | |
| Fatty aldehyde | cis,cis-7,10,-Hexadecadienal | 56829-23-3 | 0.351 | - |
| 7-Tetradecenal, (Z)- | 65128-96-3 | - | 1.084 | |
| Pentadecanal- | 2765-11-9 | 0.264 | - | |
| Fatty alcohols | 1-Decanol | 112-30-1 | 0.425 | 0.802 |
| 1-Dodecanol | 112-53-8 | 13.484 | 30.335 | |
| 11-Hexadecen-1-ol, (Z)- | 56683-54-6 | - | 1.094 | |
| cis-9-Tetradecen-1-ol | 35153-15-2 | 1.989 | 6.522 | |
| 1-Tetradecanol | 112-72-1 | 1.224 | 5.711 | |
| Monoterpenes | α-Pinene | 80-56-8 | 3.055 | 0.443 |
| (±)-β-Pinene | 127-91-3 | 7.354 | 0.707 | |
| β-Myrcene | 123-35-3 | 1.524 | - | |
| (+)-m-Mentha-1(6),8-diene | 1461-27-4 | 0.291 | - | |
| Eucalyptol | 470-82-6 | 0.312 | - | |
| trans-β-Ocimene | 3779-61-1 | 0.154 | - | |
| Pinocamphone | 547-60-4 | 0.162 | - | |
| 3-Pinanone | 15358-88-0 | 1.985 | 0.358 | |
| Terpinen-4-ol | 562-74-3 | 0.152 | - | |
| α-Terpineol | 98-55-5 | 0.692 | - | |
| Methyl myrtenate | 30649-97-9 | 2.674 | 0.711 | |
| (+)-3-Carene, 10-(acetylmethyl)- | 163886-28-0 | 1.064 | 0.438 | |
| Sesquiterpenes | β-Elemene, (−)- | 515-13-9 | 0.245 | - |
| Caryophyllene | 87-44-5 | 12.575 | 7.857 | |
| Humulene | 6753-98-6 | 15.207 | 9.852 | |
| (E)-β-Farnesene | 18794-84-8 | - | 5.747 | |
| cis-β-farnesene | 28973-97-9 | 10.546 | - | |
| β-Chamigrene | 18431-82-8 | 0.298 | - | |
| α-Bergamotene | 17699-05-7 | 0.685 | - | |
| 6-Methyl-5-hepten-2-ol | 58319-05-4 | - | 0.726 | |
| Isodaucene | 142878-08-8 | 0.862 | 0.531 | |
| Germacrene B | 28387-44-2 | 0.157 | - | |
| α-Nerolidol | 40716-66-3 | 1.352 | 1.185 | |
| Caryophyllene oxide | 1139-30-6 | 2.823 | 1.515 | |
| Ledol | 577-27-5 | 0.881 | - | |
| humulol | 28446-26-6 | 0.225 | - | |
| Humulene epoxide II | 19888-34-7 | 1.559 | - | |
| Humulenol-II | 19888-00-7 | 0.611 | ||
| Caryophylla-3(4),8-dien-5-ol | 19431-79-9 | 0.473 | 0.34 | |
| Total | Aldehyde | 10.783 | 13.127 | |
| Alkene | 0 | 0.725 | ||
| Carboxylic ester | 2.828 | 8.187 | ||
| Dialkyl ketone | 0.274 | 0 | ||
| Fatty Acids | 0.876 | 1.136 | ||
| Fatty aldehyde | 0.615 | 1.084 | ||
| Fatty alcohol | 17.122 | 44.464 | ||
| Monoterpenes | 19.419 | 2.657 | ||
| Sesquiterpenes | 48.499 | 27.753 | ||
The results are presented as area sum, %.