Table 1.
Volatile constituents of EO from A. lanatum.
| No. | Constituents | Rt(min) | RI(Exp) | RI(Lit) | RA% | MS |
|---|---|---|---|---|---|---|
| 1 | α-pinene | 9.03 | 937 | 932 | 10.14 ± 0.6 | 136.2340 |
| 2 | camphene | 9.29 | 952 | 946 | 4.4 ± 0.1 | 136.2340 |
| 3 | β-pinene | 9.76 | 977 | 977 | 6.2 ± 0.09 | 136.2340 |
| 4 | β-myrcene | 9.99 | 991 | 988 | 8.45 ± 0.2 | 136.2340 |
| 5 | α-phellandrene | 10.28 | 1005 | 1002 | 0.2 ± 0.02 | 136.2340 |
| 6 | car-4-ene | 13.41 | 1009 | 1004 | 5.8 ± 0.2 | 136.2340 |
| 7 | α-terpinene | 13.53 | 1017 | 1014 | 3.62 ± 0.07 | 136.2340 |
| 8 | limonene | 13.74 | 1030 | 1224 | 6.7 ± 0.3 | 136.2340 |
| 9 | p-cymene | 13.79 | 1026 | 1023 | 6.58 ± 0.1 | 134.2182 |
| 10 | terpinolene | 15.09 | 1088 | 1086 | 2.07 ± 0.07 | 136.2340 |
| 11 | eucalyptol | 15.36 | 1031 | 1031 | 6.35 ± 0.2 | 154.2493 |
| 12 | linalool | 16.37 | 1099 | 1095 | 4.34 ± 0.1 | 154.2493 |
| 13 | camphor | 16.57 | 1145 | 1141 | 4.3 ± 0.03 | 152.2334 |
| 14 | isoborneol | 17.03 | 1167 | 1165 | 0.1 ± 0.04 | 154.2493 |
| 15 | terpinen-4-ol | 17.29 | 1177 | 1174 | 2.4 ± 0.2 | 154.2493 |
| 16 | α-terpineol | 17.76 | 1189 | 1186 | 1.5 ± 0.05 | 154.2493 |
| 17 | fenchyl acetate | 17.81 | 1214 | 1214 | 0.1 ± 0.01 | 196.2860 |
| 18 | nerol | 17.92 | 1228 | 1227 | 3.1 ± 0.1 | 154.2493 |
| 19 | bornyl acetate | 18.57 | 1285 | 1284 | 0.6 ± 0.04 | 196.2860 |
| 20 | methyl geranate | 18.61 | 1321 | 1319 | 0.2 ± 0.02 | 182.2594 |
| 21 | neryl acetate | 18.74 | 1364 | 1359 | 0.1 ± 0.02 | 196.2860 |
| 22 | α-copaene | 19.56 | 1376 | 1374 | 0.9 ± 0.1 | 204.3511 |
| 23 | β-cubebene | 19.89 | 1389 | 1387 | 1.3 ± 0.2 | 204.3511 |
| 24 | β-caryophyllene | 20.45 | 1424 | 1424 | 7.25 ± 0.4 | 204.3511 |
| 25 | trans-α-bergamotene | 21.63 | 1435 | 1432 | 0.1 ± 0.04 | 204.3511 |
| 26 | α-guaiene | 21.21 | 1439 | 1437 | 2.02 ± 0.2 | 204.3511 |
| 27 | α-humulene | 22.69 | 1455 | 1452 | 6.45 ± 0.5 | 204.3511 |
| 28 | β-farnesene | 22.78 | 1457 | 1454 | 8.25 ± 0.4 | 204.3511 |
| 29 | germacrene D | 30.98 | 1481 | 1484 | 2.31 ± 0.07 | 204.3511 |
| 30 | β-selinene | 31.04 | 1486 | 1489 | 0.6 ± 0.03 | 204.3511 |
| 31 | β-bisabolene | 32.12 | 1509 | 1512 | 0.2 ± 0.03 | 204.3511 |
| 32 | γ-cadinene | 32.78 | 1513 | 1513 | 0.2 ± 0.04 | 204.3511 |
| 33 | caryophyllene oxide | 33.86 | 1640 | 1638 | 5.68 ± 0.02 | 220.3505 |
| 34 | α-eudesmol | 33.94 | 1653 | 1652 | 0.8 ± 0.06 | 222.3663 |
| 35 | chavicol | 17.73 | 1256 | 1247 | 0.07 ± 0.01 | 134.1751 |
| 36 | eugenol | 17.92 | 1357 | 1356 | 1.5 ± 0.02 | 164.2011 |
| 37 | methyl eugenol | 19.94 | 1406 | 1402 | 0.2 ± 0.02 | 178.2277 |
| 38 | ethyl isovalerate | 8.01 | 853 | 856 | 0.2 ± 0.02 | 130.1849 |
| Classes of Constituents | RA% (No of Constituents) | |||||
| Total monoterpene hydrocarbons | 47.86 (10) | |||||
| Total oxygenated monoterpenes | 16.44 (11) | |||||
| Total sesquiterpene hydrocarbons | 22.13 (11) | |||||
| Total oxygenated sesquiterpenes | 6.48 (2) | |||||
| Total phenylpropanoids | 1.77 (3) | |||||
| Total non-terpene derivatives | 0.20 (1) | |||||
| Total identified constituents | 94.68 (38) | |||||
Values were obtained from three replicates. Mean ± standard deviation (SD) is shown. Rt, retention time; RI (exp), experimental relative retention index; RI (lit), literature relative retention index from MS libraries (Wiley) National Institute of Standards and Technology (NIST); RA, relative abundance; MS, mass spectra values.