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. 2022 Mar 31;27(7):2282. doi: 10.3390/molecules27072282

Table 1.

Chemical composition of the essential oil extracted from leaves of D. viscosa.

Peak Compounds Formula CAS RI
Literature		 RI
Observed		 RT * EO (%)
1 α-Pinene C10H16 7785-70-8 939 939 12.71 0.76
2 Isodrimenin C15H22O2 13466-78-9 1942 1941 14.13 1.79
3 3-Carene C10H16 13466-78-9 1011 1011 14.35 0.79
4 Santolina triene C10H16 2153-66-4 908 907 14.61 0.28
5 Caryophyllene oxide C15H24O 1139-30-6 1587 1587 16.12 5.73
6 Andrographolide C20H30O5 5508-58-7 1674 1674 16.15 1.20
7 γ-Himachalene C15H24 53111-25-4 1451 1450 17.16 0.45
8 τ-Muurolol C15H26O 19435-97-3 1642 1642 17.56 1.09
9 τ-Cadinol C15H26O 481-34-5 1640 1642 17.98 0.56
10 Camphene C10H16 79-92-5 953 953 18.95 2.78
11 Epizonarene C15H24 41702-63-0 1501 1500 19.35 0.90
12 Isoborneol C10H18O 124-76-5 1160 1160 20.74 1.05
13 Farnesyl bromide C15H25Br 28290-41-7 1902 1901 21.18 1.28
14 Fenchyl acetate C12H20O2 4057-31-2 1220 1220 21.95 0.74
15 Borneol C10H18O 507-70-0 1173 1170 23.15 9.33
16 Thujopsene C15H24 470-40-6 1431 1431 23.35 2.25
17 Limonene C10H16O 138-86-3 1029 1027 24.26 0.85
18 γ-Elemene C15H24 29873-99-2 1432 1432 25.24 0.26
19 Isoledene C15H24 95910-36-4 1374 1370 25.58 0.27
20 Caryophyllene C15H24 87-44-5 1424 1420 26.23 0.68
21 Humulen-(v1) C15H24 6753-98-6 1608 1608 26.58 0.42
22 Naphthalene C10H8 91-20-3 1181 1180 27.68 3.25
23 Isoaromadendrene epoxide C15H24O 22029-76-1 1460 1460 28.32 0.19
24 a-Bulnesene C10H8 3691-12-1 1509 1508 28.74 1.00
25 Bicyclosesquiphellandrene C15H24 54324-03-7 1522 1520 29.37 0.89
26 Spathulenol C15H24O 523-47-7 1578 1578 30.04 1.19
27 bornyl acetate C12H20O2 1617-68-1 1288 1280 31.32 41.00
28 Naphthalen-2-ol C10H8O 93-0R-3 1447 1447 32.77 0.56
29 α-Cadinol C15H26O 481-34-5 1654 1654 33.58 1.12
30 Ledol C15H26O 577-27-5 1602 1600 34.18 1.09
31 11-Hexadecynal C15H24O 86426-73-5 1503 1500 34.32 0.57
32 α-amorphene C15H24 20085-19-2 1484 1480 35.02 6.60
33 Longifolenaldehyde C15H24 19890-84-7 1614 1610 26.28 0.38
34 Aristolene epoxide C15H24O 30824-67-0 1291 1290 37.14 0.44
35 Isoaromadendrene epoxide C15H24O 7459-33-8 1641 1640 38.63 0.44
36 Aromadendrene oxide-(2) C15H24O 28474-90-0 1628 1628 39.69 0.22
37 Caryophyllenol C15H24O 4752-56-1 1572 1572 42.48 2.49
38 9-cis-Retinal C20H28O 630-02-4 2800 2800 43.16 0.92
39 Verbenol C10H16O 630-02-4 1141 1140 48.77 0.49
40 Pentacosane C25H52 630-03-5 2500 2500 51.96 0.73
41 Lupan-3-ol, acetate C32H54O2 7683-64-9 2815 2815 54.79 0.43
Total 97.46%

* RT: Retention time; RI: Retention index.