Table 3.
Chemical composition of the essential oils extracted from the leaves of O. basilicum and T. algeriensis
| Constituents | LRI |
O. basilicum
(%) |
T. algeriensis
(%) |
Method of identificationb |
|---|---|---|---|---|
| α-pinene | 941 | 0.3 | 6.8 | MS; LRI; RC |
| camphene | 955 | - a | 0.8 | MS; LRI; RC |
| sabinene | 977 | 0.4 | 0.7 | MS; LRI; RC |
| β-pinene | 982 | 0.6 | 1.2 | MS; LRI; RC |
| myrcene | 993 | 1.3 | 1.2 | MS; LRI; RC |
| 3-octanol | 994 | -a | - a | MS; LRI; RC |
| α-terpinene | 1020 | - a | - a | MS; LRI; RC |
| p-cymene | 1028 | - a | 0.3 | MS; LRI; RC |
| limonene | 1032 | - a | 2.7 | MS; LRI; RC |
| 1,8-cineole | 1034 | 9.2 | 4.1 | MS; LRI; RC |
| (Z)-β-ocimene | 1042 | 0.7 | - a | MS; LRI; RC |
| (E)-β-ocimene | 1052 | 0.5 | 1.5 | MS; LRI; RC |
| γ-terpinene | 1063 | - a | - a | MS; LRI; RC |
| cis-sabinene hydrate | 1070 | - a | - a | MS; LRI; RC |
| terpinolene | 1090 | 0.2 | 0.4 | MS; LRI; RC |
| linalool | 1101 | 52.1 | 1.2 | MS; LRI; RC |
| nonanal | 1104 | - a | - a | MS; LRI; RC |
| pentylisovalerate | 1108 | 0.1 | - a | MS; LRI |
| 1-octen-3-yl acetate | 1111 | 0.1 | 0.4 | MS; LRI; RC |
| cis-p-menth-2-en-1-ol | 1123 | - a | - a | MS; LRI |
| 3-octyl acetate | 1126 | 0.2 | - a | MS; LRI; RC |
| α-campholenal | 1127 | - a | 0.5 | MS; LRI |
| camphor | 1145 | - a | 1.1 | MS; LRI; RC |
| trans-verbenol | 1147 | - a | 0.5 | MS; LRI; RC |
| δ-terpineol | 1172 | 0.2 | - a | MS; LRI |
| 4-terpineol | 1179 | 0.1 | 0.5 | MS; LRI; RC |
| α-terpineol | 1191 | 5.7 | 4.9 | MS; LRI; RC |
| cis-dihydrocarvone | 1195 | - a | - a | MS; LRI; RC |
| trans-carveol | 1219 | - a | 0.4 | MS; LRI; RC |
| (Z)-3-hexenyl isovalerate | 1238 | - a | - a | MS; LRI; RC |
| pulegone | 1239 | 0.2 | - a | MS; LRI; RC |
| neral | 1242 | - a | 0.2 | MS; LRI; RC |
| carvone | 1244 | - a | 0.3 | MS; LRI; RC |
| linalyl acetate | 1259 | 19.1 | - a | MS; LRI; RC |
| bornyl acetate | 1287 | - a | 3.1 | MS; LRI; RC |
| dihydroedulan IA | 1292 | - a | - a | MS; LRI |
| isodihydrocarvyl acetate | 1329 | - a | - a | MS; LRI |
| α-terpinyl acetate | 1352 | - a | 47.4 | MS; LRI; RC |
| cis-carvyl acetate | 1364 | - a | - a | MS; LRI; RC |
| neryl acetate | 1365 | 1.8 | 9.6 | MS; LRI; RC |
| geranyl acetate | 1383 | 3.6 | 0.9 | MS; LRI; RC |
| β-elemene | 1392 | - a | - a | MS; LRI |
| (Z)-jasmone | 1395 | - a | - a | MS; LRI; RC |
| β-caryophyllene | 1419 | 1.0 | 0.6 | MS; LRI; RC |
| β-copaene | 1430 | - a | - a | MS; LRI |
| aromadendrene | 1440 | - a | - a | MS; LRI; RC |
| α-humulene | 1455 | 0.1 | - a | MS; LRI; RC |
| (E)-β-farnesene | 1458 | 0.1 | - a | MS; LRI; RC |
| cis-muurola-4(14), 5-diene | 1463 | 0.1 | - a | MS; LRI |
| germacrene D | 1482 | - a | 0.6 | MS; LRI |
| bicyclogermacrene | 1496 | - a | – | MS; LRI |
| germacrene A | 1505 | - a | - a | MS; LRI |
| δ-cadinene | 1524 | - a | - a | MS; LRI |
| (E)-α-bisabolene | 1542 | - a | 0.2 | MS; LRI |
| (E)-nerolidol | 1564 | - a | 3.5 | MS; LRI |
| spathulenol | 1577 | - a | - a | MS; LRI |
| caryophyllene oxide | 1582 | 0.1 | 0.9 | MS; LRI; RC |
| viridiflorol | 1591 | 0.4 | - a | MS; LRI |
| 1, 10-di-epi-cubenol | 1615 | 0.1 | - a | MS; LRI |
| T-cadinol | 1641 | - a | - a | MS; LRI |
| T-muurolol | 1642 | - a | - a | MS; LRI |
| Monoterpene hydrocarbons | 4.0 | 15.6 | ||
| Oxygenated monoterpenes | 92.0 | 74.7 | ||
| Sesquiterpene hydrocarbons | 1.3 | 1.4 | ||
| Oxygenated sesquiterpenes | 0.6 | 4.4 | ||
| Apocarotenes | 0.0 | 0.0 | ||
| Non-terpene derivatives | 0.4 | 0.4 | ||
| Total identified | 98.3 | 96.5 |
a: not detected in the sample
bmethod of identification: MS Mass spectrum, LRI Linear retention index, RC Reference compound