Table 1 Essential oil composition (%) of samples fresh leaves of Baccharis spp.
Constituents | RIlit | RIcal | % peak area | ||||||
|---|---|---|---|---|---|---|---|---|---|
1 | 2 | 3 | 4 | 5 | 6 | 7 | |||
α-thujene | 924 | 926 | 3.4 | – | 0.3 | 4.2 | – | 20.2 | – |
α-pinene | 932 | 935 | 15.7 | – | – | – | 72.6 | 22.1 | 2.1 |
sabinene | 973 | 973 | – | – | – | – | – | 9.9 | – |
β-pinene | 974 | 974 | 11.8 | 7.6 | 2.0 | 67.5 | 14.1 | 10.8 | 18.3 |
β-myrcene | 988 | 990 | – | – | 0.2 | – | – | 4.4 | 1.5 |
o-cymene | 1022 | 1024 | 2.3 | – | 0.3 | – | – | – | – |
limonene | 1024 | 1026 | 20.6 | 88.8 | 42.2 | 28.2 | 13.3 | 12.5 | 13.0 |
β-phellandrene | 1029 | 1033 | – | – | – | – | – | 6.6 | – |
β-phorene | 1043 | 1041 | – | – | 0.4 | – | – | – | – |
β-ocimene | 1044 | 1041 | – | – | 0.3 | – | – | – | – |
Monoterpene hydrocarbon | 53.8 | 96.4 | 45.7 | 99.9 | 100.0 | 86.5 | 34.9 | ||
terpinen-4-ol | 1181 | 1177 | – | – | – | – | – | 5.5 | – |
α-terpineol | 1188 | 1894 | – | – | – | – | – | – | 3.0 |
myrtenol | 1194 | 1197 | – | – | – | – | – | – | 2.3 |
linalool | 1099 | 1095 | – | – | – | – | – | – | – |
trans-pinocarveol | 1135 | 1137 | – | – | – | – | – | – | – |
carveol | 1216 | 1216 | – | – | 3.1 | – | – | – | – |
carquejyl acetate | 1298 | 1299 | – | – | 22.0 | – | – | – | – |
Oxygenated monoterpene | 0 | 0 | 25.1 | 0 | 0 | 5.5 | 5.3 | ||
(E)-caryophyllene | 1417 | 1418 | 4.9 | – | – | – | – | 1.7 | – |
β-farnesene | 1442 | 1442 | – | 3.6 | – | – | – | – | – |
germacrene D | 1484 | 1485 | – | – | – | – | – | 3.0 | – |
bicyclogermacrene | 1500 | 1500 | – | – | – | – | – | 3.3 | – |
Sesquiterpene hydrocarbon | 4.9 | 3.6 | 0 | 0 | 0 | 8.0 | 0 | ||
palustrol | 1577 | 1576 | – | – | 13.1 | – | – | – | – |
spathulenol | 1577 | 1576 | 21.3 | – | 2.6 | – | – | – | 8.0 |
thujopsan-2-α-ol | 1587 | 1590 | 13.2 | – | – | – | – | – | 17.7 |
globulol | 1590 | 1595 | – | – | – | – | – | – | 10.9 |
viridiflorol | 1592 | 1592 | 4.4 | – | 3.7 | – | – | – | 7.2 |
ledol | 1602 | 1602 | – | – | 3.7 | – | – | – | 3,7 |
α-muurolol | 1644 | 1647 | – | – | – | – | – | – | 6.3 |
β- eudesmol | 1650 | 1653 | – | – | 6.1 | – | – | – | 6.0 |
Oxygenated sesquiterpene | 38.9 | 0 | 29.2 | 0 | 0 | 0 | 59.8 | ||
Total chemical composition (%) | 97.6 | 100 | 100 | 99.9 | 100 | 100 | 100 | ||
