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Table 3 The main components of six different Thymus essential oils

From: Six Spain Thymus essential oils composition analysis and their in vitro and in silico study against Streptococcus mutans

No

Compounds

RI

Relative peak area (%)

TEO 1

TEO 2

TEO 3

TEO 4

TEO 5

TEO 6

Monoterpenoids

      

1

α-Pinene

1028

1.81

2.79

2.01

1.24

0.25

0.68

2

α-Thujene

1029

0.06

-

-

0.66

-

0.22

3

Camphene

1071

1.12

8.13

0.86

0.19

1.71

2.06

4

β-Pinene

1112

0.38

0.89

0.39

0.36

0.26

0.3

5

Sabinene

1124

0.93

-

-

0.06

-

-

6

3-Carene

1147

-

-

-

0.21

0.08

0.11

7

β-Myrcene

1161

7.95

0.23

1.67

4.29

1.84

1.98

8

α-Phellandrene

1167

-

0.03

-

-

-

-

9

α-Terpinene

1180

3.64

0.51

-

2.24

1.65

1.73

10

Limonene

1200

3.37

1.35

1.26

0.62

0.64

0.79

11

β-Phellandrene

1211

1.35

-

-

0.8

-

-

12

γ-Terpinene

1246

6.36

1.42

-

7.6

10.86

9.9

13

β-Ocimene

1250

0.26

-

-

-

-

-

14

p-Cymene

1272

2.65

3.45

32.18

11.77

16.82

15.45

15

Terpinolene

1283

1.87

0.27

-

0.22

0.15

0.15

16

p-Cymenene

1444

-

-

-

0.12

0.1

-

17

trans-Sabinene hydrate

1460

0.69

-

-

0.81

0.23

0.31

Sesquiterpenoids

18

α-Copaene

1492

-

0.26

-

-

-

-

19

β-Caryophyllene

1595

1.57

7.47

2.09

5.87

2.7

3.08

20

Alloaromadendrene

1635

-

 

-

-

0.08

-

21

α-Humulene

1667

-

-

-

0.21

-

-

22

γ-Gurjunene

1674

-

-

-

-

0.12

-

23

γ-Muurolene

1692

-

0.52

-

-

-

-

24

δ-Cadinene

1758

-

 

-

-

0.29

0.42

25

Caryophyllene oxide

1989

-

0.43

-

1.02

0.48

0.52

Ketones

      

26

3-Octanone

1253

-

-

-

-

0.31

0.4

27

Camphor

1518

0.56

1.88

0.51

-

4.07

4.42

28

trans-Dihydrocarvone

1624

0.35

-

-

-

-

-

Alcohols

29

3-Octanol

1393

-

-

-

0.06

0.14

0.15

30

Linalool oxide

1445

0.82

 

-

 

0.33

0.59

31

1-Octen-3-ol

1457

0.16

-

-

0.73

0.1

-

32

trans-Linalool oxide (furanoid)

1463

0.84

-

-

-

0.27

-

33

Linalool

1547

39.37

4.98

9.3

7.63

7.46

7.71

34

1-Terpinenol

1576

-

-

1.75

-

-

-

35

Terpinen-4-ol

1602

15.92

3.13

0.57

2.86

1.88

2.23

36

3,7-Dimethyl-1,5,7-octatrien-3-ol

1613

1.34

-

-

-

0.22

0.26

37

β-Terpineol

1627

-

-

1.7

-

-

-

38

δ-Terpineol

1682

-

-

-

-

0.09

-

39

α-Terpineol

1697

-

46.09

17.72

-

-

-

40

Borneol

1702

5.17

-

0.45

0.92

6.51

7

41

p-Cymen-8-ol

1852

-

-

-

-

0.36

0.53

42

p-Cymen-7-ol

2113

-

-

-

-

0.09

0.08

43

Spathulenol

2136

-

-

-

-

0.17

0.23

Esters

44

Linalyl acetate

1555

-

-

-

-

0.1

-

45

Bornyl formate

1588

0.18

0.9

-

-

0.42

0.49

46

Bornyl acetate

1592

0.2

3.65

-

-

0.24

0.29

Phenols

      

47

Thymyl methyl ether

1590

-

1.29

-

-

-

-

48

Eugenol

2139

-

-

-

0.17

-

-

49

Thymol

2189

0.58

3.22

-

3.99

30.48

27.96

50

Carvacrol

2236

-

5.35

26.41

44.66

4.85

5.35

Others

51

Eucalyptol

1213

-

1.31

0.86

-

3.13

3.74

52

Carvacrol methyl ether

1601

-

-

-

-

0.39

0.52

Monoterpenoids

32.44

19.07

38.37

31.19

34.59

33.68

Sesquiterpenoids

1.57

8.68

2.09

7.1

3.67

4.02

Ketones

0.91

1.88

0.51

0

4.38

4.82

Alcohols

63.62

54.2

31.49

12.2

17.62

18.78

Esters

0.38

4.55

0

0

0.76

0.78

Phenols

0.58

9.86

26.41

48.82

35.33

33.31

Others

0

1.31

0.86

0

3.52

4.26

Total (%)

99.50

99.55

99.73

99.31

99.87

99.65

  1. The samples were TEO1 (T. zygis CT linalool), TEO2 (T. satureioides CT borneol), TEO3 (T. vulgaris CT linalool), TEO4 (T. vulgaris CT carvacrol), TEO5 (T. zygis CT thymol) and TEO6 (T. vulgaris CT thymol). Identification method: compounds identified by comparison of mass spectra with NIST MS libraries after background correction
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BMC Complementary Medicine and Therapies

ISSN: 2662-7671

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