Table 2.
Chemical compositions of the A. gigantea aerial parts and seed volatile oils
| Compound name | Aerial parts | Seed | |||
|---|---|---|---|---|---|
| HD (%) c | HD (%) c | RI a | RI b | ||
| 1 | 2-ethyl-1-hexanol | - | 1.1 | 1032 | 1028 |
| 2 | 1-methyl-2-pyrolidinone | 3.7 | 0.8 | 1034 | 1030 |
| 3 | 2-ethenyl-1,3,3-trimethyl-cyclohexane | 0.8 | - | - | 1132 |
| 4 | 2, 3-dihydro-Benzofuran | 5.1 | - | 1226 | 1221 |
| 5 | Ascaridole epoxide | 0.8 | 3.2 | - | 1245 |
| 6 | Thymol | - | 8.1 | 1292 | 1289 |
| 7 | Eugenol | - | 15.1 | 1356 | 1354 |
| 8 | α- Copaene | - | 0.5 | 1377 | 1375 |
| 9 | Chavibetol | 7.1 | - | 1392 | 1387 |
| 10 | 6-methoxy-2-methyl-tetracyclo[5.3.1.0(2,6).0(8.11)undecan-4-ol | - | 0.9 | - | 1389 |
| 11 | β-Cubebene | - | 0.6 | 1390 | 1392 |
| 12 | Vanillin | 8.1 | - | 1405 | 1400 |
| 13 | β- Caryophyllene | - | 5.4 | 1420 | 1421 |
| 14 | 1,4-Dimethoxy-2,3-dimethylbenzene | 3.1 | - | - | 1442 |
| 15 | γ-muurolene | - | 0.6 | 1477 | 1479 |
| 16 | 4-(5,5-dimethyl-1-oxaspiro[2.5]oct-4-yl)3-buten-2-one | 0.5 | - | 1493 | 1489 |
| 17 | Cis-β-Guaiene | - | 0.7 | 1491 | 1490 |
| 18 | β-Ionone | 0.5 | - | 1503 | 1500 |
| 19 | γ-Cadinene | - | 4.6 | 1514 | 1518 |
| 20 | 4a-acetoxy-5,5,8a-trimethyl-octahydrobenzo[b]pyran | - | 0.5 | - | 1521 |
| 21 | 3-(2,2,3,3-tetramethylcyclopropylidenmethylidene)-4-methyl-hexanoic acid | - | 0.6 | - | 1529 |
| 22 | Dihydroactinidiolide | 6.2 | 3.2 | 1532 | 1534 |
| 23 | Trans-4-Propenylsyringol | 0.4 | - | - | 1536 |
| 24 | Spatulenol | - | 0.6 | 1576 | 1578 |
| 25 | 4-(Acetyloxy)-3-methoxy-methylester benzoic acid | 0.7 | - | - | 1660 |
| 26 | Coniferyl alcohol | 18.8 | - | - | 1682 |
| 27 | Acorenone | 0.5 | - | 1693 | 1690 |
| 28 | 4-hydroxy-3,5,5-trimethyl-4-(3-oxo-1-butenyl)-2-cyclohexen-1-one | 0.5 | - | - | 1787 |
| 29 | Dehydrovomifoliol | 4.7 | - | 1796 | 1793 |
| 30 | Decahydro-1,5,5,8a-tetramethyl-[1S-(1α,3β,3aβ,4α,8aα)]-1,4-methanoazulen-3-ol | - | 2.1 | - | 1827 |
| 31 | 2-(2,2,6-trimethyl-7-oxa-bicyclo[4.1.0]hept-1-yl)-propenyl ester acetic acid | 15.1 | - | - | 1832 |
| 32 | Methyl linoleate | - | 6.8 | 2096 | 2092 |
| 33 | Octadecanoic acid | - | 10.4 | 2158 | 2154 |
| 34 | 3',4',5'-O-trimethyltricetin | 1.5 | - | - | 2521 |
| 35 | α-tocopherol | 3.1 | 1.1 | 3111 | 3108 |
| 36 | Stigmasterol | - | 0.8 | 3170 | 3165 |
| 37 | β-Sitosterol | - | 0.5 | 3203 | 3200 |
| 81.2 | 69.8 |
a Retention indices given in literature (NIST on non-polar HP-5 or DB-5 capillary columns).
b Retention indices with respect to C5–C28 n-alkanes calculated on non-polar DB-5 capillary column.
c Percentage calculated by GC-FID on non-polar DB-5 capillary column.