Table 2.
The terpene ingredients (%) of the tested essential oils.
| IR | Area (%) ± SD of Components in Etja Essential Oils | ||||
|---|---|---|---|---|---|
| Lemon | Rosewood | Geranium | Rosemary | ||
| MONOTERPENES | |||||
| tricyclene | 919 | 0.21 ± 0.04 | - | - | 0.48 ± 0.03 |
| α-pinene | 930 | 11.06 ± 0.14 | - | 0.05 ± 0.01 | 10.33 ± 0.03 |
| camphene | 946 | 0.35 ± 0.04 | - | 0.04 ± 0.01 | 8.18 ± 0.03 |
| β-citronellene | 948 | - | 0.02 ± 0.01 | - | - |
| β-thujene | 970 | - | - | - | 3.92 ± 0.20 |
| β-pinene | 973 | 15.14 ± 0.04 | - | 0.03 ± 0.01 | 7.62 ± 0.14 |
| 2,6-dimethyl-2,6-octadiene | 980 | - | - | 0.45 ± 0.01 | - |
| 3-menthene | 981 | - | - | 0.26 ± 0.02 | - |
| β-myrcene | 984 | 4.11 ± 0.06 | - | - | 1.72 ± 0.03 |
| 2-carene | 996 | - | - | 0.05 ± 0.01 | - |
| α-phellandrene | 999 | - | - | - | 0.11 ± 0.02 |
| α-terpinene | 1016 | 0.40 ± 0.12 | - | - | 0.06 ± 0.01 |
| p-cymene | 1019 | - | - | 0.19 ± 0.01 | - |
| limonene | 1024 | 48.27 ± 0.05 | 0.73 ± 0.02 | 6.86 ± 0.05 | - |
| trans-β-ocimene | 1040 | 0.13 ± 0.03 | - | - | - |
| α-ocimene | 1050 | - | - | 0.01 ± 0.01 | - |
| β-terpinene | 1053 | - | - | 0.01 ± 0.01 | - |
| γ-terpinene | 1059 | 4.85 ± 0.06 | - | - | 2.16 ± 0.02 |
| terpinolene | 1077 | 1.19 ± 0.03 | - | - | 0.68 ± 0.02 |
| Sum | - | 85.70 | 0.75 | 8.09 | 35.27 |
| OXYGENATED MONOTERPENES | |||||
| eucalyptol | 1030 | - | 1.55 ± 0.04 | - | 15.87 ± 0.12 |
| dehydrolinalool | 1072 | - | 0.11 ± 0.01 | - | - |
| cis-linalool oxide | 1073 | - | 2.07 ± 0.03 | 0.05 ± 0.01 | - |
| rose oil | 1087 | - | - | 3.05 ± 0.04 | - |
| trans-linalool oxide | 1089 | - | 1.56 ± 0.03 | 0.07 ± 0.01 | - |
| cis rose oxide | 1096 | - | - | 0.20 ± 0.01 | - |
| linalool | 1099 | 0.29 ± 0.06 | 79.51 ± 0.32 | 11.27 ± 0.06 | 1.83 ± 0.06 |
| myrcenol | 1099 | - | 0.06 ± 0.01 | - | - |
| trans rose oxide | 1113 | - | - | 0.09 ± 0.01 | - |
| 1-terpineol | 1121 | - | - | 0.05 ± 0.01 | - |
| α-pinene oxide | 1126 | 0.17 ± 0.02 | - | - | - |
| menthone | 1133 | - | - | 0.59 ± 0.02 | - |
| camphor | 1141 | - | - | - | 16.00 ± 0.11 |
| α-phellandren-8-ol | 1144 | - | 0.01 ± 0.01 | - | - |
| isomenthone | 1144 | - | - | 0.53 ± 0.03 | - |
| isoborneol | 1145 | - | - | 0.32 ± 0.01 | - |
| isopulegol | 1149 | - | - | 0.33 ± 0.01 | - |
| verbenol | 1154 | 0.08 ± 0.01 | - | - | - |
| menthol | 1164 | 0.12 ± 0.01 | - | - | - |
| borneol | 1168 | - | - | 0.49 ± 0.01 | 7.95 ± 0.10 |
| lavandulol | 1171 | - | 1.72 ± 0.01 | - | - |
| terpinen-4-ol | 1174 | - | - | - | 1.43 ± 0.03 |
| γ-terpineol | 1185 | - | - | 0.32 ± 0.03 | - |
| α-terpineol | 1197 | - | 8.27 ± 0.01 | 1.53 ± 0.03 | 5.62 ± 0.12 |
| fenchol | 1199 | - | - | - | 0.08 ± 0.01 |
| α-fenchyl acetate | 1202 | - | - | - | 0.50 ± 0.05 |
| linalyl formate | 1205 | - | - | 2.81 ± 0.09 | - |
| β-citronellol | 1208 | - | - | 30.99 ± 0.20 | - |
| α-citronellol | 1209 | 0.20 ± 0.02 | - | 4.73 ± 0.23 | - |
| nerol | 1232 | - | 1.64 ± 0.02 | - | - |
| geraniol | 1233 | - | - | 17.20 ± 0.10 | - |
| α-citral | 1247 | 7.14 ± 0.07 | 0.08 ± 0.01 | 0.32 ± 0.03 | - |
| 2,6-dimethyl-1,7-octadiene-3,6-diol | 1268 | - | 0.07 ± 0.01 | - | - |
| borneol acetate | 1270 | - | - | - | 3.47 ± 0.03 |
| β-citral | 1278 | 4.30 ± 0.14 | 0.05 ± 0.01 | 0.25 ± 0.11 | - |
| geranyl formate | 1294 | 0.91 ± 0.01 | - | 0.62 ± 0.03 | - |
| citronellol acetate | 1338 | - | - | 0.35 ± 0.01 | - |
| p-mentha-1-en-3,8-diol | 1351 | - | 0.03 ± 0.01 | - | - |
| neryl acetate | 1364 | 0.49 ± 0.06 | - | 0.51 ± 0.01 | - |
| geranyl acetate | 1383 | - | - | 8.56 ± 0.22 | - |
| cis-geranylacetone | 1418 | - | - | 0.17 ± 0.01 | - |
| carvone hydrate | 1427 | - | 0.02 ± 0.01 | - | - |
| citronellyl propionate | 1431 | - | - | 0.33 ± 0.02 | - |
| geranyl propionate | 1451 | - | - | 0.10 ± 0.01 | - |
| geranyl isobutyrate | 1494 | - | - | 0.70 ± 0.01 | - |
| geranyl butyrate | 1542 | - | - | 1.22 ± 0.03 | - |
| citronellyl tiglate | 1646 | - | - | 0.30 ± 0.03 | - |
| geranyl tiglate | 1657 | - | - | 0.12 ± 0.01 | - |
| sum | - | 13.76 | 96.75 | 88.17 | 52.76 |
| SESQUITERPENES | |||||
| α-cubebene | 1354 | - | - | - | 0.16 ± 0.01 |
| α-longipinene | 1359 | - | - | - | 0.07 ± 0.01 |
| α-copaene | 1379 | - | - | 0.03 ± 0.01 | 0.57 ± 0.02 |
| β-cubebene | 1384 | - | - | - | 0.20 ± 0.05 |
| β-bourbonene | 1388 | - | - | 0.10 ± 0.02 | - |
| y-langene | 1388 | - | - | - | 0.15 ± 0.02 |
| γ-maaliene | 1398 | - | - | 0.03 ± 0.01 | - |
| aristolene | 1402 | - | - | 0.38 ± 0.02 | - |
| longifolene | 1421 | - | - | 0.05 ± 0.00 | 0.57 ± 0.01 |
| caryophyllene | 1423 | - | - | 0.11 ± 0.01 | 7.58 ± 0.03 |
| alloaromadendrene | 1426 | - | - | 0.05 ± 0.01 | - |
| calarene | 1436 | - | - | 0.16 ± 0.01 | - |
| aromadendrene | 1443 | - | - | - | 0.08 ± 0.01 |
| humulene | 1452 | - | - | - | 1.36 ± 0.08 |
| ledene | 1470 | - | - | 0.22 ± 0.01 | - |
| γ-muurolene | 1479 | - | - | - | 0.11 ± 0.01 |
| isocaryophyllene | 1495 | - | - | - | 0.04 ± 0.01 |
| γ-cadinene | 1503 | - | - | - | 0.29 ± 0.03 |
| δ-selinene | 1510 | - | - | 0.04 ± 0.01 | - |
| δ-cadinene | 1525 | - | - | - | 0.37 ± 0.02 |
| Sum | - | - | - | 1.17 | 11.54 |
| OXYGENATED SESQUITERPENES | |||||
| elemol | 1535 | - | - | 0.03 ± 0.01 | - |
| nerolidol | 1540 | - | 0.11 ± 0.01 | - | - |
| cis-nerolidol | 1545 | - | 0.16 ± 0.02 | - | - |
| trans-nerolidol | 1551 | - | 0.68 ± 0.02 | - | - |
| guaiol | 1584 | - | - | 0.47 ± 0.02 | - |
| caryophyllene oxide | 1588 | - | - | - | 0.30 ± 0.02 |
| γ-eudesmol | 1620 | - | - | 0.04 ± 0.01 | - |
| bulnesol | 1650 | - | - | 0.54 ± 0.03 | - |
| methyl abietate | 2175 | - | - | 0.26 ± 0.03 | - |
| Sum | - | 0.95 | 1.34 | 0.30 | |
IR, Kovats retention index; SD, standard deviation. The remainder up to 100% were non-terpenes compounds.