Table 3.
Chemical composition of the essential oil of Eurybia macrophylla (L.) Cass.
| RI a | RI b | Compound | % ± SD | RI a | RI b | Compound | % ± SD |
|---|---|---|---|---|---|---|---|
| 801 | 797 | (3Z)-Hexenal | 0.06 ± 0.01 | 1387 | 1389 | β-Elemene | 1.48 ± 0.04 |
| 802 | 801 | Hexanal | 0.31 ± 0.05 | 1418 | 1417 | β-Caryophyllene | 4.60 ± 0.07 |
| 850 | 846 | (2E)-Hexenal | 1.44 ± 0.06 | 1427 | 1434 | γ-Elemene | 3.16 ± 0.01 |
| 865 | 863 | 1-Hexanol | 0.11 ± 0.02 | 1431 | 1432 | trans-α-Bergamotene | 0.05 ± 0.02 |
| 924 | 924 | α-Thujene | 0.16 ± 0.01 | 1454 | 1452 | α-Humulene | 0.64 ± 0.01 |
| 932 | 974 | α-Pinene | 3.12 ± 0.04 | 1473 | 1471 | Massoia lactone | 0.35 ± 0.04 |
| 948 | 946 | Camphene | 0.60 ± 0.00 | 1480 | 1484 | Germacrene D | 19.81 ± 0.20 |
| 971 | 969 | Sabinene | 0.15 ± 0.02 | 1487 | 1489 | β-Selinene | 0.31 ± 0.05 |
| 977 | 974 | β-Pinene | 8.57 ± 0.07 | 1494 | 1500 | Bicyclogermacrene | 1.95 ± 0.02 |
| 988 | 988 | Myrcene | 1.79 ± 0.02 | 1497 | 1500 | α-Muurolene | 0.16 ± 0.03 |
| 989 | 988 | Dehydro-1,8-cineole | 0.28 ± 0.01 | 1516 | 1522 | δ-Cadinene | 0.19 ± 0.02 |
| 1006 | 1002 | α-Phellandrene | 0.88 ± 0.01 | 1536 | 1537 | α-Cadinene | 0.10 ± 0.02 |
| 1016 | 1014 | α-Terpinene | 0.16 ± 0.02 | 1557 | 1559 | Germacrene B | 7.07 ± 0.07 |
| 1024 | 1020 | p-Cymene | 0.15 ± 0.01 | 1575 | 1577 | Spathulenol | 0.10 ± 0.01 |
| 1028 | 1024 | Limonene | 28.66 ± 0.33 | 1581 | 1582 | Caryophyllene oxide | 0.38 ± 0.01 |
| 1030 | 1025 | β-Phellandrene | 0.75 ± 0.03 | 1595 | 1592 | Viridiflorol | 0.23 ± 0.03 |
| 1034 | 1032 | (Z)-β-Ocimene | 0.18 ± 0.00 | 1627 | 1629 | iso-Spathulenol | 0.08 ± 0.01 |
| 1044 | 1044 | (E)-β-Ocimene | 2.14 ± 0.02 | 1641 | 1638 | τ-Cadinol | 0.09 ± 0.02 |
| 1057 | 1054 | γ-Terpinene | 0.37 ± 0.01 | 1643 | 1640 | τ-Murrolol | 0.12 ± 0.03 |
| 1084 | 1086 | Terpinolene | 5.35 ± 0.08 | 1646 | 1644 | α-Muurolol (=δ-Cadinol) | 0.10 ± 0.01 |
| 1112 | 1114 | (E)-4,8-Dimethylnona-1,3,7-triene | 0.35 ± 0.01 | 1654 | 1652 | α-Cadinol | 0.47 ± 0.02 |
| 1124 | 1118 | cis-p-Menth-2-en-1-ol | 0.72 ± 0.01 | 1832 | 1835 | Neophytadiene | 0.05 ± 0.02 |
| 1142 | 1136 | trans-p-Menth-2-en-1-ol | 0.44 ± 0.01 | 1838 | 1841 | Phytone | 0.05 ± 0.02 |
| 1187 | 1179 | p-Cymen-8-ol | 0.21 ± 0.03 | Green leaf volatiles | 1.91 | ||
| 1195 | 1186 | α-Terpineol | 0.06 ± 0.02 | Monoterpene hydrocarbons | 53.03 | ||
| 1197 | 1195 | cis-Piperitol | 0.15 ± 0.02 | Oxygenated monoterpenoids | 2.30 | ||
| 1209 | 1207 | trans-Piperitol | 0.17 ± 0.01 | Sesquiterpene hydrocarbons | 40.03 | ||
| 1283 | 1287 | Bornyl acetate | 0.27 ± 0.10 | Oxygenated sesquiterpenoids | 1.59 | ||
| 1292 | 1293 | Undecan-2-one | 0.05 ± 0.01 | Diterpenoids | 0.11 | ||
| 1333 | 1335 | δ-Elemene | 0.50 ± 0.00 | Others | 0.75 | ||
| Total Identified | 99.72 |
a RI = Retention index determined in reference to a homologous series of n-alkanes on a ZB-5ms column. b RI values from the databases.