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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.