Table 1. Chemical constituents of the essential oil from leaves and tubers of Jerusalem artichoke plant. Data are given as mean (n = 3).
| No. | I | Name of constituent | Chemical group | Leave oil (g/100g) | Tubers oil (g/100g) |
| 1 | 1171 | p-mentha-1,5-dien-8-ol | OM | - | 0.00013 |
| 2 | 1208 | Verbenone | OM | - | 0.00020 |
| 3 | 1296 | Bornyl acetate | OM | - | 0.00017 |
| 4 | 1377 | α-Copaene | SH | 0.00074 | - |
| 5 | 1405 | Phenylacetaldehyde | AL | - | 0.00011 |
| 6 | 1417 | ß-bourbonene | SH | 0.00029 | - |
| 7 | 1431 | (E)-α-bergamoten | SH | 0.00023 | - |
| 8 | 1448 | Geranyl acetone | IP | 0.00019 | - |
| 9 | 1483 | Calarene | SH | - | 0.00027 |
| 10 | 1493 | ß-ionone | IP | 0.00116 | - |
| 11 | 1498 | (-)-ß-bisabolene | SH | 0.03486 | 0.00205 |
| 12 | 1560 | ß-sesquiphellandrene | SH | 0.00157 | - |
| 13 | 1573 | Caryophyllene oxide | OS | 0.00244 | - |
| 14 | 1680 | (Z)-α-bisabolene epoxide | OS | 0.00624 | - |
| 15 | 1836 | Neophytadiene | DT | 0.00079 | - |
| 16 | 1848 | Hexahydrofarnesylacetone | IP | 0.00083 | - |
| 17 | 2834 | Squalene | TT | - | 0.00032 |
I : Retention indices; OM: Oxygenated monoterpenes; SH : Sesquiterpene hydrocarbons; OS : Oxygenated sesquiterpenes; IP : Isoprenoids; TT : Triterpene; DT : Diterpenes hydrocarbons; AL : Aldehyde