Table 1 Comparative GC-MS analysis of n-hexane extracts and EOs of Thymus vulgaris (TV) and Thymus serpyllum (TS).

1

1-Octen-3-ol

Unsaturated aliphatic alcohol

C₈H₁₆O

–

–

0.63

–

–

2

α-Phellandrene

Monoterpene hydrocarbon

C₁₀H₁₆

–

0.15

–

–

–

3

p-Cymene

Aromatic monoterpene

C₁₀H₁₄

10.3

1.29

2.27

–

–

4

Eucalyptol

Monoterpene oxide

C₁₀H₁₈O

–

–

1.53

–

–

5

γ-Terpinene

Monoterpene hydrocarbon

C₁₀H₁₆

–

0.81

1.06

–

–

6

Bicyclo[3.1.0]hexan-2-ol, 2-methyl-5-(1-methylethyl)-, (1α,2β,5α)-

Monoterpene alcohol

C₁₀H₁₈O

–

–

1.89

–

–

7

Terpinolene

Monoterpene hydrocarbon

C₁₀H₁₆

–

–

0.49

–

–

8

Linalool

Monoterpene alcohol

C₁₀H₁₈O

–

–

2.5

–

–

9

Bicyclo[2.2.1]heptan-2-one, 1,7,7-trimethyl-, (1 S)-

Monoterpene ketone

C₁₀H₁₆O

–

–

0.84

–

–

10

Bicyclo[2.2.1]heptan-2-ol, 1,7,7-trimethyl-, (1 S-endo)-

Monoterpene alcohol

C₁₀H₁₈O

–

-

2.25

–

–

11

Terpinen-4-ol

Monoterpene alcohol

C₁₀H₁₈O

–

0.38

0.85

–

–

12

α-Terpineol

Monoterpene alcohol

C₁₀H₁₈O

–

–

0.23

–

–

13

Benzene, 2-methoxy-4-methyl-1-(1-methylethyl)-

Aromatic ether (phenylpropanoid)

C₁₁H₁₆O

–

–

0.34

–

–

14

Thymoquinone

Monoterpene quinone

C₁₀H₁₂O₂

–

–

–

0.39

1.04

15

Thymol

Phenolic monoterpenoid

C₁₀H₁₄O

9.32

74.47

78.21

10.9

44.6

16

Carvacrol

Phenolic monoterpenoid

C₁₀H₁₄O

80.37

-

3.69

–

4.27

17

(1 S,2R,4R,7R)-4-Isopropyl-7-methyl-3,8-dioxatricyclo[5.1.0.02,4]octane

Oxygenated monoterpenoid

C₁₀H₁₆O₂

–

–

–

–

0.67

18

3’,5’-Dimethoxyacetophenone

Aromatic ketone

C₁₀H₁₂O₃

–

2.38

–

–

19

Caryophyllene

Sesquiterpene hydrocarbon

C₁₅H₂₄

–

9.89

1.62

–

–

20

trans-α-Bergamotene

Sesquiterpene hydrocarbon

C₁₅H₂₄

–

0.98

–

–

–

21

Humulene

Sesquiterpene hydrocarbon

C₁₅H₂₄

–

0.71

–

–

–

22

α-Selinene

Sesquiterpene hydrocarbon

C₁₅H₂₄

–

3.37

–

–

–

23

β-Selinene

Sesquiterpene hydrocarbon

C₁₅H₂₄

–

0.44

–

–

–

24

Caryophyllene oxide

Oxygenated sesquiterpene

C₁₅H₂₄O

–

1.06

1.6

0.49

–

25

Epicubenol

Sesquiterpene alcohol

C₁₅H₂₆O

–

0.39

–

–

–

26

τ-Cadinol

Sesquiterpene alcohol

C₁₅H₂₆O

–

0.72

–

–

–

27

(Z)-γ-Atlantone

Sesquiterpene ketone

C₁₅H22O

–

0.23

–

–

-

28

(Z)-α-Atlantone

Sesquiterpene ketone

C₁₅H₂₂O

–

0.59

–

–

-

29

Bis(2-ethylhexyl) phthalate

Phthalate ester

C₂₄H₃₈O₄

–

–

–

0.86

2.28

30

Ethyl hexacosyl ether

Long-chain aliphatic ether

C₂₈H₅₈O

–

–

–

0.38

2.51

31

Hexacosyl propyl ether

Long-chain aliphatic ether

C₂₉H₆₀O

–

–

–

-

0.79

32

Ethyl octacosyl ether

Long-chain aliphatic ether

C₃₀H₆₂O

–

–

–

1.07

7.52

33

2-Methylhentriacontane

Higher alkane

C₃₂H₆₆

–

–

–

–

0.7

34

Octacosyl propyl ether

Long-chain aliphatic ether

C₃₁H₆₄O

–

–

–

0.4

2.32

35

Octyl tetracosyl ether

Long-chain aliphatic ether

C₃₂H₆₆O

–

–

–

1.38

0.77

36

Tritriacontane

Higher alkane

C₃₃H₆₈

–

–

–

22.79

26.53

37

Nonyl tetracosyl ether

Long-chain aliphatic ether

C₃₃H₆₈O

–

–

–

0.28

–

38

Heptyl hexacosyl ether

Long-chain aliphatic ether

C₃₃H₆₈O

–

–

–

0.72

1.61

39

Tetratriacontane

Higher alkane

C₃₄H₇₀

–

–

–

3.76

–

40

Tritriacontane, 3-methyl-

Branched alkane

C₃₄H₇₀

–

–

–

-

2.04

41

Urs-12-en-3-ol, acetate, (3β)-

Triterpenoid ester

C₃₂H₅₂O₂

–

–

–

0.8

–

42

3-Methylpentatriacontane

Branched alkane

C₃₆H₇₄

–

–

–

7.4

–

43

Hexatriacontane

Higher alkane

C₃₆H₇₄

–

–

–

44.2

2.36

44

Nonyl octacosyl ether

Long-chain aliphatic ether

C₃₇H₇₆O₂

–

–

–

1.63

–

45

Butyl tetratriacontyl ether

Long-chain aliphatic ether

C₃₈H₇₈O

–

–

–

0.99

–