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Table 3 Chemical composition of essential oils studied in this research

From: Antimicrobial activity of some plant essential oils and an antimicrobial-peptide against some clinically isolated pathogens

No

Component

RI

GC peak area (%)

Mentha piperita

Cuminum cyminum

Vitex agnus-castus

Salvia officinalis

1

cis-Salvene

852

–

–

–

0.33

2

trans-Salvene

859

–

–

–

0.14

3

Tricyclene

915

–

–

–

0.41

4

a-Thujene

929

0.33

0.42

–

0.05

5

α-Pinene

934

1.0

1.12

7.13

3.21

6

Camphene

953

–

–

–

3.52

7

Sabinene

974

0.59

1.3

9.12

0.11

8

β-Pinene

978

1.51

6.61

0.91

2.33

9

1-Octan-3-ol

985

–

–

–

0.12

10

β-Myrcene

990

0.28

0.74

1.33

0.61

11

3-Octanol

995

–

–

–

0.45

12

α-Phellandrene

1006

–

2.41

–

0.13

13

∆-3-Carene

1010

–

0.08

–

–

14

α-Terpinene

1017

0.32

0.25

–

0.43

15

p-Cymene

1024

0.42

13.25

2.21

1.41

16

Limonene

1031

2.51

1.38

4.12

1.52

17

1,8-Cineole

1033

6.52

0.15

12.7

8.14

18

β-Phellandrene

1034

–

1.22

–

–

19

cis-β-Ocimene

1037

0.21

–

–

0.32

20

γ-Terpinene

1057

0.31

28.21

–

0.23

21

cis-Sabinene hydrate

1066

0.91

–

0.5

0.21

22

α-Terpinolene

1088

0.15

0.33

–

0.11

23

Linalool

1100

0.23

–

0.91

0.44

24

α-Thujone

1112

–

–

–

43.21

25

β-Thujone

1116

–

–

–

7.35

26

trans-Verbenol

1142

–

–

0.34

–

27

Camphor

1145

–

–

0.83

0.12

28

Borneol

1155

–

–

–

8.43

29

Menthone

1158

35.12

–

–

–

30

Isomenthone

1162

1.1

–

–

–

31

δ-Terpineol

1163

–

–

2.52

0.5

32

Menthofuran

1166

10.5

–

–

–

33

Menthol

1178

25.93

–

–

–

34

Terpinene-4-ol

1180

1.33

0.57

2.6

–

35

neo-Menthol

1185

0.45

–

–

–

36

α-Terpineol

1192

0.42

0.12

3.41

0.21

37

trans-Carveol

1217

–

–

0.12

–

38

Cumin aldehyde

1223

–

12.92

0.11

–

39

Pulegone

1240

0.7

–

–

–

40

Piperitone

1255

0.5

–

–

–

41

Safranal

1271

–

4.65

–

–

42

Cuminic alcohol

1279

–

12.92

–

–

43

trans-Sabinyl acetate

1291

 

–

 

0.71

44

Menthyl acetate

1293

2.1

–

–

–

45

Carvacrol

1300

–

–

–

0.65

46

α-Terpinyl acetate

1346

–

–

7.22

–

47

Citronellyl acetate

1351

–

–

0.12

–

48

β-Bourbonene

1387

0.22

–

-

–

49

β-Caryophyllene

1422

1.35

0.12

7.23

1.83

50

β-Gurjunene

1429

–

–

1.11

–

51

trans-α-Bergamotene

1431

–

–

1.12

–

52

cis-β-Farnesene

1438

–

0.11

0.81

–

53

β-Humulene

1441

–

–

0.73

–

54

trans-β-Farnesene

1454

0.31

–

9.51

–

55

α-Humulene

1456

–

–

2.13

2.56

56

Germacrene-D

1483

1.1

0.14

–

–

57

Viridiflorene

1494

–

–

0.21

–

58

Bicyclogermacrene

1496

–

-

6.32

–

59

β-Bisabolene

1505

–

–

0.31

–

60

γ-Cadinene

1512

–

–

0.22

–

61

Myristicin

1519

–

-

0.41

–

62

Spathulenol

1574

–

–

1.12

–

63

Caryophyllene oxide

1577

–

–

10.72

0.64

64

Viridiflorol

1595

0.25

8.92

-

5.87

65

β-Selinene

1604

–

–

-

0.85

66

Humulene epoxide II

1602

–

–

0.31

2.1

67

t-Cadinol

1635

–

–

1.1

–

68

a-Cadinol

1651

–

–

0.11

–

 

Total

 

96.67

97.94

99.67

99.25

 

Monoterpene hydrocarbons

 

8.54

57.32

25.32

15.7

 

Oxygenated monoterpenes

 

84.67

31.33

29.97

69.76

 

Sesquiterpenes hydrocarbons

 

2.98

0.37

29.7

5.24

 

Oxygenated sesquiterpenes

 

0.25

8.92

13.36

8.61

 

Aromatic compounds

 

67.57

82.83

69.95

73.00

 

Others

 

0

0

0.41

0.57