TABLE 2.
Chemical composition of D. triradiata aerial parts oil extracted by HD, MAHD and SFE.
| Peak | Rt | Compound | M.F | RIexp | RIlit | Content % | Identifications | ||
|---|---|---|---|---|---|---|---|---|---|
| HD | MAHD | SFE | |||||||
| 1 | 7.29 | α-Pinene | C10H16 | 914 | 914 | 1.05 | 0.54 | ----- | MS,RI |
| 2 | 7.72 | Camphene | C10H16 | 930 | 930 | 0.31 | 0.15 | ----- | MS,RI |
| 3 | 8.48 | Sabinen | C10H16 | 957 | 957 | 0.46 | 1.38 | ----- | MS,RI |
| 4 | 8.56 | β-Pinene | C10H16 | 960 | 961 | 0.14 | 0.13 | ----- | MS,RI |
| 5 | 9.05 | β-Myrcene | C10H16 | 978 | 978 | ------ | 0.10 | ----- | MS,RI |
| 6 | 9.43 | α-Phellandrene | C10H16 | 992 | 993 | 0.03 | -------- | ----- | MS,RI |
| 7 | 10.08 | p-Cymene | C10H14 | 1,014 | 1,014 | 8.22 | 6.22 | 0.90 | MS,RI |
| 8 | 10.19 | β-Phellandrene | C15H24 | 1,017 | 1,017 | 1.74 | 1.56 | ----- | MS,RI |
| 9 | 18.04 | Bornyl acetate | C15H24 | 1,276 | 1,267 | 1.57 | 0.45 | ----- | MS,RI |
| 10 | 20.58 | α-Copaene | C15H24 | 1,365 | 1,365 | 0.19 | 0.56 | 0.44 | MS,RI |
| 11 | 20.84 | (-)-β-Bourbonene | C15H24 | 1,374 | 1,374 | 0.95 | 2.28 | 2.16 | MS,RI |
| 12 | 21.02 | (-)-β-Elemene | C15H24 | 1,380 | 1,380 | 0.97 | 2.30 | 1.63 | MS,RI |
| 13 | 22.05 | β-Copaene | C15H24 | 1,418 | 1,421 | 0.13 | 0.33 | 0.31 | MS,RI |
| 14 | 22.45 | γ-Muurolene | C15H24 | 1,434 | 1,435 | 0.08 | 0.21 | 0.20 | MS,RI |
| 15 | 22.70 | α-Humulene | C15H24 | 1,444 | 1,444 | 0.05 | 0.15 | ----- | MS,RI |
| 16 | 23.48 | Germacrene D | C15H24 | 1,474 | 1,474 | 10.34 | 24.80 | 23.30 | MS,RI |
| 17 | 23.59 | β-Selinene | C15H24 | 1,478 | 1,478 | 0.12 | 0.22 | 0.43 | MS,RI |
| 18 | 23.84 | β-Guaiene | C15H24 | 1,488 | 1,488 | 0.58 | 1.08 | 0.42 | MS,RI |
| 19 | 24.28 | δ- Cadinene | C15H24 | 1,505 | 1,505 | 0.09 | 0.11 | ----- | MS,RI |
| 20 | 24.61 | Myristicin | C11H12O3 | 1,518 | 1,518 | 20.23 | 18.23 | 12.55 | MS,RI |
| 21 | 24.74 | β-Vatirenene | C15H24 | 1,523 | 1,527 | 0.14 | 0.16 | ------ | MS,RI |
| 22 | 25.17 | Germacrene B | C15H24 | 1,540 | 1,540 | 0.39 | 0.31 | 0.27 | MS,RI |
| 23 | 25.47 | Elemicin | C12H16O3 | 1,552 | 1,552 | 33.43 | 21.97 | 34.83 | MS,RI |
| 24 | 25.95 | Spathulenol | C15H24O | 1,570 | 1,570 | 0.88 | 0.76 | 0.99 | MS,RI |
| 25 | 26.16 | β-Copaene-4α-ol | C15H24O | 1,579 | 1,579 | 0.13 | ----- | ----- | MS,RI |
| 26 | 26.33 | Salvial-4 (14)-en-1-one | C15H24O | 1,585 | 1,586 | ----- | 0.36 | ----- | MS,RI |
| 27 | 27.05 | Dill apiol | C12H14O4 | 1,615 | 1,615 | 1.85 | 1.32 | ----- | MS,RI |
| 28 | 27.23 | 7-epi-γ-Eudesmol | C15H26O | 1,623 | 1,622 | 0.16 | 0.11 | ----- | MS,RI |
| 29 | 27.68 | β-Eudesmol | C15H26O | 1,642 | 1,642 | 9.21 | 7.60 | 8.94 | MS,RI |
| 30 | 28.40 | Apiol | C12H14O4 | 1,674 | 1,674 | 0.53 | 0.31 | ------ | MS,RI |
| 31 | 28.54 | Alloaromadendrene oxide-(2) | C15H24O | 1,680 | 1,678 | 1.78 | 1.76 | 2.30 | MS,RI |
| 32 | 36.89 | Linoleic acid, methyl ester | C19H34O2 | 2077 | 2076 | ------ | ----- | 1.05 | MS,RI |
| 33 | 36.99 | Oleic acid, methyl ester | C19H36O2 | 2083 | 2085 | ------ | ------ | 1.03 | MS,RI |
| 34Total identified compounds | 49.87 | 2-methyloctacosane | C29H60 | 2,855 | 2,857 | 0.14 | 0.06 | 5.85 | MS,RI |
| 95.89 | 95.52 | 97.60 | |||||||
| Non-oxygenated compounds | Monoterpene hydrocarbons (MH) | - | - | - | - | 3.73 | 3.86 | ------ | - |
| Sesquiterpene hydrocarbons (SH) | - | - | - | - | 14.03 | 32.51 | 29.16 | - | |
| Aromatic hydrocarbons (ArH) | - | - | - | - | 8.22 | 6.22 | 0.90 | - | |
| Aliphatic hydrocarbons (AH) | - | - | - | - | 0.14 | 0.06 | 5.85 | - | |
| Oxygenated compounds | Oxygenated monoterpenes (OM) | - | - | - | - | 1.57 | 0.45 | ------ | - |
| Oxygenated sesquiterpenes (OS) | - | - | - | - | 12.16 | 10.59 | 12.23 | - | |
| Phenylpropanoid (PP) | - | - | - | - | 56.04 | 41.83 | 47.38 | - | |
| Acyclic compounds (AC) | - | - | - | - | ------- | ------ | 2.08 | - | |
tR, retention time; RIexp., experimental refractive index; RIlit, reference refractive index; MF, molecular formula.