Table 1 The chemical constituents of M. communis leaves EOs from Jericho and Jenin governorates

1

Trans-2-hexenal

–

0.30

2

Isobutyl isobutyrate

0.14

0.50

3

α-Pinene

3.95

10.22

4

β-Pinene

0.05

0.09

5

Myrcene

0.21

0.38

6

Pseudolimonene

–

0.23

7

δ-3-Carene

0.04

0.21

8

p-Cymene

–

0.05

9

o-Cymene

0.17

1.34

10

1,8-Cineole

24.32

31.55

11

Z-β-Ocimene

0.28

0.71

12

δ-Terpinene

–

0.36

13

Terpinolene

–

0.92

14

Linalool

–

21.65

15

cis-4-Thujanol

27.37

–

16

n-Amyl isovalerate

–

0.46

17

Terpinen-4-ol

0.24

0.32

18

α-Terpineol

–

4.35

19

Myrtenol

12.97

–

20

Myrtenal

12.46

6.78

21

Trans-4-Thujanol acetate

9.48

11.26

22

Linalyl acetate

1.04

0.42

23

Trans-Sabinyl acetate

0.01

0.10

24

nd

0.01

–

25

nd

0.01

–

26

Thymol

0.02

–

27

Methyl myrtenate

0.10

–

28

Sabinyl acetate

0.17

0.10

29

Carvacrol

0.11

–

30

nd

0.01

–

31

nd

0.01

–

32

nd

0.02

–

33

Myrtenyl acetate

0.62

2.89

34

nd

0.01

–

35

nd

0.02

36

Linalool propanoate

0.01

–

37

α-Terpinyl acetate

1.77

1.30

38

Neryl acetate

0.48

0.21

39

nd

–

0.01

40

Geranyl acetate

0.92

0.55

41

β-Elemene

0.05

0.03

42

Methyl eugenol

0.70

0.37

43

β-Caryophyllene

0.71

0.70

44

α-Caryophyllene

0.40

0.22

45

Fumaric acid dimyrtenyl ester

0.12

0.04

46

Cyclopropane, 1-(2-methylene-3-butenyl)-1-(1-methylenepropyl)

0.02

–

47

β-Selinene

0.34

0.07

48

(E,E)-α-Farnesene

0.33

0.07

49

β-Bisabolene

–

0.7

50

Geranyl isobutanoate

0.02

0.01

51

Caryophyllene oxide

0.22

0.07

Oil yield

1.31

1.15

Total identified

99.93

99.54

Phytochemical groups

 Monoterpene hydrocarbons

4.72

14.57

 Oxygenated monoterpenes

92.99

82.74

 Sesquiterpene hydrocarbons

1.83

1.79

 Oxygenated sesquiterpenes

0.22

0.07

 Others

0.17

0.37