Table 4.
Chemical composition of essential oil from Aquilaria malaccensis’ wood.
| Component Name | %Presence | R.t (min) | RI | |
|---|---|---|---|---|
| HD | SCWE | |||
| Butanal, 2-methyl- | 2.531 | 643 | ||
| 2-Pentanone | 2.733 | 666 | ||
| 2,3-Pentanedione/(Acetylpropionyl) | 0.64 | 2.781 | 676 | |
| Oxiran, tetramethyl- | 3.980 | 686 | ||
| Acetylbutyryl | 0.49 | 4.228 | 755 | |
| Cyclopentanone | 0.402 | 4.330 | 780 | |
| Furfural | 14.36 | 5.153 | 830 | |
| Acetoxyacetone | 0.391 | 5.985 | 840 | |
| 2-Methyl-2-cyclopentenone | 0.32 | 7.224 | 880 | |
| Valerolactone<gamma-> | 2.041 | 7.333 | 886 | |
| 2-Acetylfuran | 1.516 | 7.499 | 890 | |
| 2,4-Pentanedione, 3-methyl- | 0.706 | 7.971 | 897 | |
| 2-furylacetone | 1.066 | 8.830 | 919 | |
| Furfural <5methyl-> | 4.011 | 9.312 | 960 | |
| Benzaldehyde | 0.923 | 2.019 | 9.531 | 995 |
| 2-Cyclopenten-1-one, 2,3-dimethyl- | 0.527 | 10.630 | 1001 | |
| Cyclotene | 1.423 | 11.850 | 1006 | |
| 2-Acetyl-5-methylfuran | 0.569 | 12.244 | 1010 | |
| Pyrazole-4-carboxaldehyde, 1,5-dimethyl- | 0.618 | 12.690 | 1047 | |
| Phenylacetaldehyde | 0.552 | 12.926 | 1049 | |
| 1-(5-Methyl-2-furyl)-2-propanone | 0.336 | 13.805 | 1056 | |
| Acetophenone | 0.852 | 13.976 | 1029 | |
| Guaiacol | 13.504 | 14.722 | 1063 | |
| Benzaldehyde dimethyl acetal | 0.748 | 15.670 | 1080 | |
| Mequinol | 0.64 | 16.047 | 1180 | |
| Creosol | 0.709 | 19.573 | 1181 | |
| Verbenone, (L) | 0.4 | 20.586 | 1199 | |
| 2-Butanone, 4-phenyl- | 10.732 | 12.042 | 22.563 | 1228 |
| 4-phenyl-2-butanol | 0.871 | 23.148 | 1254 | |
| Guaiacol <4-ethyl-> | 0.881 | 23.556 | 1245 | |
| Benzene, 1-chloro-2-dimethoxymethyl- | 0.784 | 24.649 | 1260 | |
| Guaiacol <4-vinyl-> | 0.922 | 25.493 | 1277 | |
| Syringol | 4.02 | 27.215 | 1309 | |
| 4-Ethylphenyl acetate | 4.713 | 1.11 | 29.361 | 1273 |
| Lactic acid, 3-phenyl-, methyl ester | 1.281 | 29.558 | 1421 | |
| Vanillin | 1.386 | 29.681 | 1357 | |
| Guaiene Alpha | 0.925 | 1.248 | 30.686 | 1426 |
| gamma Elemene | 0.844 | 31.054 | 1430 | |
| beta-Selinene | 1.053 | 0.308 | 31.375 | 1454 |
| Isoeugenol | 0.204 | 1.158 | 31.694 | 1439 |
| Humulene alpha | 0.198 | 0.12 | 31.721 | 1470 |
| 5-Hydroxy-5-isopropenyl-2-methylcyclohexyl acetate | 0.536 | 32.155 | 1474 | |
| beta agarofuran | 2.845 | 32.384 | 1474 | |
| Anisylacetone | 0.138 | 0.716 | 32.410 | 1462 |
| Guaiene delta | 3.355 | 1.427 | 33.689 | 1490 |
| Bicyclogermacrene | 0.531 | 33.910 | 1494 | |
| gamma.-Himachalene | 0.288 | 0.122 | 34.966 | 1499 |
| 4a-Methyldecahydro-1-naphthalenyl acetate | 0.612 | 35.297 | 1503 | |
| Caryophyllene oxide | 0.523 | 0.34 | 36.770 | 1507 |
| Spathulenol | 0.844 | 0.72 | 37.328 | 1536 |
| Eugenol <methoxy-> | 0.121 | 0.381 | 37.880 | 1600 |
| Rosifoliol | 2.287 | 38.320 | 1595 | |
| 10-epi-gama-eudesmol | 3.298 | 2.312 | 38.556 | 1599 |
| gamma.-Eudesmol | 1.974 | 0 | 38.743 | 1626 |
| Valerianol | 0.979 | 0.29 | 38.941 | 1633 |
| viridiflorol | 1.015 | 0.61 | 39.099 | 1636 |
| beta-Eudesmol | 1.594 | 0.421 | 39.486 | 1637 |
| Agarospirol | 7.618 | 3.52 | 40.184 | 1639 |
| Postogol | 1.405 | 40.454 | 1651 | |
| α-Eudesmol | 1.887 | 0 | 40.723 | 1652 |
| Eudesmol<dihydro-> | 3.067 | 0 | 41.051 | 1661 |
| Bulnesol | 4.882 | 2.103 | 41.410 | 1666 |
| 2,2,7,7-Tetramethyltricyclo [6.2.1.0(1,6)]undec-4-en-3-one | 0.995 | 42.170 | 1730 | |
| Glaucyl alcohol | 0.836 | 42.336 | 1732 | |
| Aristolone | 0.775 | 42.602 | 1746 | |
| γ-costol | 2.635 | 1.104 | 42.862 | 1752 |
| Oxo-agarospirol | 1.542 | 0.491 | 44.680 | 1822 |
| valerenic acid | 1.606 | 0.522 | 49.278 | 1843 |
| Hexadecanoic acid | 17.238 | 10.104 | 51.752 | 1935 |
| 9-Octadecenal, (Z)- | 1.356 | 0.56 | 52.415 | 1977 |
| Octadecanal | 1.249 | 0.44 | 57.269 | 2000 |
| Unidentified | 7.841 | 3.382 | ||
| Total | 92.159 | 96.618 | ||