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Table 3 Chemical composition, retention indices and percentage composition of the M. vulgare essential oil.

From: The in-vitro evaluation of antibacterial, antifungal and cytotoxic properties of Marrubium vulgare L. essential oil grown in Tunisia

Compound

RI

%

Identification

1

N-trimethylsilyl trifluoroacetamide

764

2.35

MS, RI

2

N, N-bis trimethylsilyl trifluoroacetamide

857

0.97

MS, RI

3

α- pinene

932

1.16

MS, RI

4

Camphene

948

0.49

MS, RI

5

1,8-Cineole

1044

3.72

MS, RI

6

α-thujone

1131

2.29

MS, RI

7

1-Vinylcyclohexane

1143

0.75

MS, RI

8

Camphor

1174

1,03

MS, RI

9

Iso menthone

1197

0.57

MS, RI

10

Borneol

1199

0.61

MS, RI

11

β-citronellol

1266

9.90

MS, RI

12

Geraniol

1295

2.74

MS, RI

13

Citronellyl formate

1315

9.50

MS, RI

14

Geranyl formate

1344

6.25

MS, RI

15

α-copaene

1419

1.37

MS, RI

16

β-Bourbonene

1429

1.96

MS, RI

17

trans-caryophyllene

1462

2.15

MS, RI

18

α-Muurolene

1484

0.63

MS, RI

19

α-amorphene

1490

0.81

MS, RI

20

α-Humulene

1495

0.68

MS, RI

21

Neoalloocimene

1502

0.91

MS, RI

22

neryl acetate

1512

3.41

MS, RI

23

Germacrene-D

1521

9.37

MS, RI

24

Ledene

1534

5.35

MS, RI

25

β-bisabolene

1544

0.86

MS, RI

26

δ-cadinene

1559

3.30

MS, RI

27

α -agarofuran

1581

0.42

MS, RI

28

Furan-2-one, 4-phenyltetrahydro

1616

1.44

MS, RI

29

γ-Eudesmol

1647

11.93

MS, RI

30

β-Cubebene

1674

1.52

MS, RI

31

Citronellyl butanoate

1682

0.66

MS, RI

32

Geranyl tiglate

1712

5.53

MS, RI

33

Cyclononasiloxane, octadecamethyl

2198

3.08

MS, RI

34

Eicosamethylcyclodecasiloxane

2264

2.29

MS, RI

Total identification

 

100

 

Yield (g/100 g dry weight)

 

00.34

 

Hydrocarbon monoterpenes

 

01.65

 

Oxygenated monoterpenes

 

40.02

 

Hydrocarbon sesquiterpenes

 

42.70

 

Oxygenated sesquiterpene

 

06.19