Table 1.
Chemical composition of essential oils of Teucrium polium subsp. polium and Micromeria graeca from Northern Morocco.
| Compounds | ∗IR | Teucrium polium subsp. polium | Micromeria graeca |
|---|---|---|---|
| Concentration (% peak area) | |||
| Unknown | — | — | 5.43 |
| α-Pinene | 930 | 6.76 | — |
| β-Pinene | 975 | 19.82 | — |
| Myrcene | 987 | 2.9 | — |
| 1,8-Epoxyl-p-menth-2-ene | 988 | — | 13.01 |
| p-Cymene | 1025 | 0.55 | — |
| Limonene | 1031 | 5.71 | — |
| Unknown | 1108 | — | 2.8 |
| trans-Pinocarveol | 1145 | 0.89 | — |
| Camphor | 1151 | 2.45 | — |
| Borneol | 1174 | 1.1 | — |
| Unknown | 1184 | — | 0.47 |
| 2-Methyl-1-nonene-3-yne | 1194 | 1.83 | — |
| z-Citral | 1237 | — | 18.25 |
| Geranial | 1266 | — | 36.93 |
| Unknown | 1367 | — | 0.39 |
| α-Copaene | 1375 | 0.59 | — |
| Nerol | 1376 | — | 11.96 |
| β-Bourbonene | 1382 | 1.45 | — |
| Alloaromadendrene | 1559 | 1.02 | — |
| (E),z-3-Ethylidenecyclohexane | 1465 | 0.71 | — |
| Germacrene D | 1481 | 18.33 | - |
| β-Selinene | 1488 | 0.66 | — |
| Bicyclogermacrene | 1495 | 3.21 | — |
| α-Muurolene | 1497 | 0.83 | — |
| α-Gurjunene | 1504 | 1.13 | — |
| γ-Cadinene | 1512 | 1.04 | — |
| δ-Cadinene | 1517 | 4.51 | — |
| (e)-Farnesene | 1560 | 1.93 | — |
| Spathulenol | 1576 | 4.15 | — |
| Isoaromadendrene epoxide | 1581 | — | 10.14 |
| 2-Allyphenol | 1615 | 0.68 | — |
| Cadina-1,4-diene | 1626 | 0.56 | — |
| epi-Bicyclosesquiphellandrene | 1641 | 5.05 | — |
| (-)-Isoledene | 1645 | 1.02 | — |
| Unknown | 1652 | — | 0.57 |
| α-Cadinol | 1655 | 6.83 | — |
| Italicene | 1684 | 0.76 | — |
| α-Elemene | 1692 | 0.99 | — |
| Total: | 97.46 | 90.26 | |
∗IR = retention indices relative to C9-C31 n-alkanes on the DB-5MS capillary column.