Table 3 Chemical composition of enriched fractions isolated from Citral and Carvone chemotypes of L. alba
Compound | LRI | Relative GC peak area, % (mean, n = 3) | ||||
|---|---|---|---|---|---|---|
Carvone-chemotype | Citral-chemotype | |||||
DB-5MSa | Litb | EO | ACT1 [67 °C] | EO | ACT2 [115 °C] | |
6-Methyl-5-hepten-2-one | 986 | 985 | 0.1 | – | 3.3 | – |
p-Cymene | 1024 | 1024 | 0.1 | – | 1.1 | – |
Limonene | 1030 | 1029 | 30.6 | 96 | 1.1 | – |
Terpinolene | 1086 | 1087 | 0.3 | – | 0.5 | – |
Linalool | 1098 | 1099 | – | – | 0.5 | 0.2 |
trans-Dihydrocarvone | 1202 | 1201 | 0.1 | – | – | – |
Nerol | 1228 | 1228 | – | – | – | 1.1 |
Neral | 1240 | 1242 | – | – | 22.1 | 7.5 |
Carvone | 1242 | 1242 | 51.2 | 1.4 | – | – |
Geraniol | 1256 | 1254 | – | – | 5.6 | 6.9 |
Geranial | 1270 | 1270 | 0.1 | – | 28.7 | 25.3 |
Piperitone | 1342 | 1340 | 1.5 | – | – | – |
α-Copaene | 1376 | 1376 | 0.4 | – | 0.5 | – |
β-Elemene | 1390 | 1391 | 0.5 | – | – | – |
trans-β-Caryophyllene | 1420 | 1420 | 0.3 | – | 12.2 | 18.3 |
α-Guaiene | 1440 | 1439 | – | – | 1.9 | 2.9 |
β-Humulene | 1454 | 1453 | 0.4 | – | 2.7 | 5.6 |
Germacrene D | 1482 | 1480 | 0.3 | – | 2.6 | 4.9 |
β-Bisabolene | 1508 | 1508 | 0.4 | – | 1.4 | 3.6 |
Caryophyllene oxide | 1582 | 1580 | 0.2 | – | 2.3 | 7.6 |
Bicyclogermacrene | 1496 | 1494 | 7.5 | – | – | – |