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Table 1 Chemical compounds (%) and retention indices (RI) of C. lusitanica Mill. leaf oil and its fractions

From: Chemical composition, antimicrobial properties and toxicity evaluation of the essential oil of Cupressus lusitanica Mill. leaves from Cameroon

  Compounds RIa   %
EOb F1 F2 F3 F4 F5 F6 F7
1 tricyclene 923 0.3 - - - - - - -
2 α-pinene 936 0.6 0.3 - 5.4 - - 0.6 2.5
3 sabinene 973 0.3 - - 0.5 - - - -
4 myrcene 987 0.4 0.3 - - - - - -
5 δ-3-carene 1001 0.5 0.7 - 1.5 0.3 - - -
6 α-phellandrene 1003 0.1 - - - - - - -
7 α-terpinene 1014 0.2 - - 5.4 - - - -
8 p-cymene 1017 0.5 0.9 5.5 1.9 - - - -
9 limonene 1021 2.3 1.6 - 1.0 - - 1.9 1.4
10 1,8-cineole 1022 0.8 - - 0.5 0.1 - - -
11 γ-terpinene 1057 0.4 - - 6.8 0.3 - 5.1 -
12 cis-linalooloxide 1067 0.5 - - - - 1.2 - -
13 α -terpinolene 1083 - 0.3 - - - - - -
14 linalool 1095 6.0 - - 0.5 6.4 - - -
15 umbellulone 1164 6.0 - - 2.8 5.9 - 3.6 -
16 terpinen-4-ol 1171 6.3 - - 1.6 26.3 - 2.7 -
17 p-cymen-8-ol 1178 1.0 0.2 - - - - 2.1 1.4
18 p-menth-2-en-1-ol 1213 0.3 - - - 10.5 - - -
19 citronellol 1229 0.2 - - - - - - -
20 linalyl acétate 1250 1.2 - - 11.3 - - 4.3 -
21 thymol 1254 0.4 - - 2.7 0.6 - - -
22 α -cubebene 1346 0.3 - - 10.0 - 4.7 3.1 -
23 α-copaene 1373 0.1 0.5 - 3.5 - - - -
24 α-cedrene 1403 0.1 0.3 - - 9.5 - - -
25 β-caryophyllene 1411 1.5 - - - - - - -
26 β-cedrene 1413 0.4 9.1 - - - - - -
27 α-humulene 1448 0.6 0.9 - - - - - -
28 zingiberene 1472 0.1 0.3 - - - - - -
29 α-curcumene 1478 4.1 11.6 5.3 22.6 - - 3.6 7.3
30 germacrene D 1481 18.5 - - - 1.9 - - 13.9
31 α-amorphene 1482 2.0 6.9 - - - - - -
32 epi-zonarene 1498 8.2 - - - - 4.7 3.1 -
33 α-muurolene 1501 1.1 1.9 - - - - - -
34 cuparene 1503 - 1.7 - - - - - -
35 β-bisabolene 1504 0.3 1.8 - - - - - -
36 α-cadinene 1510 0.2 - - - 0.6 - - -
37 γ-cadinene 1511 - - - - 2.0 - - -
38 cis-calamenene 1521 8.2 20.1 - - - - - -
39 α-calacorene 1530 0.5 0.4 - - - - - -
40 spathulenol 1576 0.2 - 2.8 - - - - -
41 caryophyllene oxide 1584 0.6 0.6 - 10.4 - - 3.6 -
42 cedrol 1591 1.2 - - - 17.2 7.6 - -
43 di-epi-α-cedrene 1633 4.9 1.2 - - - 14.8 - -
44 14-norcadin-5-en-4-one 1696 0.9 4.5 32.0 - - - 6.3 4.3
45 trans-nuciferol 1718 - - 4.9 - - - - -
46 naphthalene 1780 0.8 0.4 17.6 - 4.3 3.2 3.6 5.2
47 kaur-15-ene 1974 0.2 0.4 - - - - - -
48 cis-totarol 2277 - - - 1.6 0.2 - - -
49 ferruginol 2324 - - - 0.5 - - - -
Monoterpene hydrocarbons   5.6 4.1 5.5 22.5 0.6 - 7.6 3.9
Oxygenated monoterpenes   22.7 0.2 - 19.4 49.8 1.2 12.7 1.4
Sesquiterpene hydrocarbons   51.9 57.1 22.9 36.1 18.3 27.4 13.4 26.4
Oxygenated sesquiterpenes   2.9 5.1 39.7 10.4 17.2 7.6 9.9 4.3
Others   0.2 0.4 - 2.1 0.2 - - -
Total identified   83.3 66.9 68.1 90.5 86.1 36.2 43.6 36.0
  1. a Compounds are listed in order of their elution from an HP-5 column using the homologous series of n-alkanes; bEssential oil (EO), fractions F1 to F7; - Not detected.