Table 9.
Chemical composition of Callicarpa rubella stem bark essential oil from Bach Ma National Park, Vietnam.
| RI a | RI b | Compound | % |
|---|---|---|---|
| 933 | 932 | α-Pinene | 0.4 |
| 949 | 946 | Camphene | 0.1 |
| 972 | 969 | Sabinene | 0.1 |
| 978 | 974 | β-Pinene | 2.7 |
| 989 | 988 | Myrcene | 0.1 |
| 1007 | 1002 | α-Phellandrene | 0.3 |
| 1009 | 1008 | δ-3-Carene | 1.5 |
| 1025 | 1024 | p-Cymene | 0.6 |
| 1029 | 1024 | Limonene | 0.4 |
| 1031 | 1025 | β-Phellandrene | 0.7 |
| 1085 | 1086 | Terpinolene | 0.1 |
| 1100 | 1095 | Linalool | 0.1 |
| 1196 | 1186 | α-Terpineol | 0.1 |
| 1333 | 1334 | Bicycloelemene | 0.1 |
| 1347 | 1345 | α-Cubebene | 0.7 |
| 1376 | 1374 | α-Copaene | 0.2 |
| 1382 | 1389 | β-Elemene | 0.1 |
| 1388 | 1387 | β-Cubebene | 0.3 |
| 1389 | 1389 | β-Elemene | 2.0 |
| 1420 | 1417 | (E)-Caryophyllene | 7.3 |
| 1429 | 1427 | γ-Elemene | 4.8 |
| 1452 | 1457 | Sesquisabinene | 0.3 |
| 1456 | 1452 | α-Humulene | 1.0 |
| 1460 | 1458 | allo-Aromadendrene | 0.1 |
| 1472 | 1475 | trans-Cadina-1(6),4-diene | 0.2 |
| 1481 | 1479 | ar-Curcumene | 2.2 |
| 1489 | 1489 | β-Selinene | 0.6 |
| 1492 | 1493 | trans-Muurola-4(14),5-diene | 0.2 |
| 1496 | 1498 | α-Selinene | 1.0 |
| 1498 | 1500 | α-Muurolene | 0.3 |
| 1505 | 1501 | Aciphyllene | 0.3 |
| 1508 | 1505 | β-Bisabolene | 17.9 |
| 1513 | 1513 | γ-Cadinene | 0.3 |
| 1515 | 1514 | Cubebol | 0.3 |
| 1518 | 1518 | δ-Cadinene | 0.5 |
| 1521 | 1521 | trans-Calamenene | 0.2 |
| 1524 | 1521 | β-Sesquiphellandrene | 0.6 |
| 1537 | 1528 | Zonarene | 0.6 |
| 1542 | 1545 | Selina-3,7(11)-diene | 0.5 |
| 1548 | 1548 | Elemol | 0.3 |
| 1559 | 1559 | Germacrene B | 8.4 |
| 1577 | 1577 | Spathulenol | 0.2 |
| 1582 | 1582 | Caryophyllene oxide | 1.9 |
| 1593 | 1590 | cis-β-Elemenone | 0.4 |
| 1594 | 1592 | Viridiflorol | 0.4 |
| 1598 | 1596 | trans-β-Elemenone | 3.8 |
| 1607 | 1608 | β-Atlantol | 0.2 |
| 1610 | 1608 | Humulene epoxide II | 0.1 |
| 1628 | 1629 | iso-Spathulenol | 0.5 |
| 1632 | 1630 | γ-Eudesmol | 0.1 |
| 1643 | 1645 | Cubenol | 0.3 |
| 1647 | 1644 | α-Muurolol (=δ-Cadinol) | 0.2 |
| 1655 | 1652 | α-Cadinol | 0.7 |
| 1658 | 1658 | Selin-11-en-4α-ol | 0.1 |
| 1664 | --- | Unidentified c | 1.6 |
| 1687 | 1685 | α-Bisabolol | 0.4 |
| 1694 | 1693 | Germacrone | 23.9 |
| 2015 | 2009 | 13-epi-Manool oxide | 0.2 |
| 2053 | 2055 | Abietatriene | 1.1 |
| Monoterpene hydrocarbons | 7.1 | ||
| Oxygenated monoterpenoids | 0.9 | ||
| Sesquiterpene hydrocarbons | 50.7 | ||
| Oxygenated sesquiterpenoids | 36.1 | ||
| Diterpenoids | 1.3 | ||
| Others | 0.0 | ||
| Total identified | 93.0 |
a RI = Retention Index determined with respect to a homologous series of n-alkanes on a ZB-5 column. b Retention indices from the databases. c MS: 218(5%), 203(7%), 185(5%), 175(18%), 161(4%), 147(10%), 136(77%), 135(78%), 121(33%), 107(100%), 91(29%), 79(21%), 67(44%), 55(11%), 53(17%), 41(24%).