Table 1: Chemical constituents (%) of the essential oil of Sc. nodosa analyzed by GC-FID.

Compound RRI Area (%)± (SE)a
n-heptanal 902 0.11 ± 0.0
α-pinene 930 0.05 ± 0.0
n-heptanol 929 0.2 ± 0.0
β-pinene 974 0.5 ± 0.0
β-myrcene 990 0.3 ± 0.0
n-octanal 1003 0.11 ± 0.0
p-cymene 1022 0.05 ± 0.0
limonene 1025 0.1 ± 0.0
bornyl acetate 1278 0.4 ± 0.0
thymol 1290 0.2 ± 0.0
δ-elemene 1331 0.13 ± 0.0
α-cubenene 1344 0.17 ± 0.0
α-copaene 1368 0.9 ± 0.0
β-bourbonene 1376 0.05 ± 0.0
β-cubebene 1383 0.6 ± 0.0
β-elemene 1388 0.21 ± 0.0
β-caryophylleneb 1409 1.2 ± 0.0
β-copaene 1427 0.24 ± 0.0
6S-2,3,8,8-tetramethyltricyclo[5.2.2.0(1,6)]undec-2-ene 1435 0.24 ± 0.0
α-caryophyllene 1441 0.4 ± 0.0
cis-muurola-4(14), 5-dine 1451 0.9 ± 0.0
β-farnesen 1459 1.2 ± 0.0
2-dodecenal 1469 0.2 ± 0.0
germacrene D 1486 18.1 ± 0.1
Bicyclogermacrene 1487 1.4 ± 0.0
α-muurolene 1490 0.5 ± 0.0
δ-amorphene 1499 0.18 ± 0.0
δ-cadinene gamma 1502 0.5 ± 0.0
Z-γ-bisabolene 1509 0.4 ± 0.0
δ-cadinene 1517 1.2 ± 0.0
trans-cadina-1(2),4-dine 1524 0.2 ± 0.0
α-cadinene 1529 0.14 ± 0.0
α-calacorene 1534 0.1 ± 0.0
spathunelnol 1567 2.7 ± 0.0
caryophyllene oxide 1570 1.1 ± 0.0
salvial-4-(14)-en-1-one 1582 0.95 ± 0.0
β-atlantol 1607 0.5 ± 0.0
1,10-di-epi-cubenol 1617 2.9 ± 0.0
α-cardinol 1632 0.45 ± 0.0
epi-α-muurolol 1639 0.4 ± 0.0
α-cadinol 1643 0.6 ± 0.0
3-iso-thujopsanone 1648 0.7 ± 0.0
n-tetradecanol 1674 4.9 ± 0.0
Khusinol 1681 0.7 ± 0.0
diisobutyl phthalate 1670 43.9 ± 0.2
Total 90.88

aThe values are the means of three different FID area percentage ± SE.bThe major compounds with more than 1.0% area concentration were formatted in bold font.