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Table 1 Chemical composition of the isolated essential oils

From: Chemical composition and antifungal activity of Teucrium Leucocladum Boiss. essential oils growing in Egypt using two different techniques

No

Compound

aRt HD

bRt MAE

cRIExp

Area%

Molecular Formula

HDd

MAEe

Hydrocarbon components

(A) Monoterpene hydrocarbons

1

α-Thujene

3.78

3.59

856

1.35

1.18

C10H16

2

α- Pinene

3.93

NA

865

2.59

NA

C10H16

3

2,4(10)-Thujadien

4.15

NA

878

0.07

NA

C10H14

4

Sabinene

4.64

4.64

904

1.14

0.50

C10H16

5

β-Pinene

4.76

NA

908

1.77

NA

C10H16

6

α-Myrcene

4.91

NA

914

1.06

NA

C10H16

7

α-Terpinene

5.51

NA

935

0.11

NA

C10H16

8

o-Cymene

5.77

6.13

945

1.02

0.83

C10H14

9

α-Ocimene

6.08

NA

956

0.13

NA

C10H16

10

∆-3-Carene

6.37

NA

966

0.25

NA

C10H16

11

α-Terpinolene

6.93

NA

986

0.06

NA

C10H16

(B) Sesquiterpene hydrocarbons

12

α-Copaene

13.01

NA

1144

0.12

NA

C15H24

13

Elemene

13.33

NA

1151

0.16

NA

C15H24

14

trans-Caryophyllene

13.97

NA

1166

0.20

NA

C15H24

15

trans-Farnesene

14.49

NA

1178

0.15

NA

C15H24

16

Gymnomitrene

14.67

NA

1182

0.07

NA

C15H24

17

α-Gurjunene

15.02

NA

1190

0.13

NA

C15H24

18

Germacrene D

15.24

NA

1195

0.38

NA

C15H24

19

α-Selinene

15.44

NA

1198

0.20

NA

C15H24

20

α-Bisabolene

15.66

NA

1205

0.25

NA

C15H24

21

α-cadinene

15.93

NA

1211

1.72

NA

C15H24

22

Valencene

18.57

NA

1269

2.00

NA

C15H24

23

cis-α-Farnesene

19.13

NA

1281

0.94

NA

C15H24

24

Aromadendrene

20.68

22.61

1316

0.12

1.49

C15H24

25

Bicyclo-Elemene

NA

24.13

1393

NA

0.41

C15H24

26

α-Muurolene

NA

24.35

1398

NA

2.37

C15H24

27

α-Amorphene

NA

24.92

1411

NA

0.60

C15H24

28

Cadinene

NA

25.09

1415

NA

3.25

C15H24

29

α-Humulene

NA

26.02

1436

NA

2.15

C15H24

Oxygenated components

(A) Oxygenated monoterpenes

30

Thujol

5.90

NA

949

0.08

NA

C10H18O

31

cis-Sabinene hydrate

6.87

NA

984

0.07

NA

C10H18O

32

1-Octen-3-yl-acetate

7.29

NA

999

0.19

NA

C10H18O2

33

Linalool

7.48

NA

1004

0.23

NA

C10H18O

34

α-Thujone

7.78

NA

1012

0.17

NA

C10H16O

35

trans-Verbenol

8.51

NA

1032

0.17

NA

C10H16O

36

cis-Verbenol

8.63

NA

1035

0.14

NA

C10H16O

37

Pinocarvone

8.84

NA

1040

0.07

NA

C10H14O

38

trans-2-Pinanol

NA

8.85

1041

NA

0.41

C10H18O

39

Terpinen-4-ol

9.30

NA

1053

0.52

NA

C10H18O

40

Myrtenal

9.58

NA

1060

0.12

NA

C10H14O

41

α-Terpineol

9.78

NA

1065

0.17

NA

C10H18O

42

p-Menth-4(8)-en-3-one (Beta- Pulegone)

9.92

NA

1069

0.12

NA

C10H16O

43

∆-(7)-Methenone-2

10.79

NA

1092

0.13

NA

C10H16O

44

trans-p-Mentha-2,8-dienol

14.83

NA

1186

6.54

NA

C10H16O

45

lilac alcohol epoxide

16.34

NA

1220

0.29

NA

C10H18O3

46

trans-2-Caren-4-ol

NA

23.09

1370

NA

33.92

C10H16O

47

trans-p-2,8-Menthadien-1-ol

NA

31.13

1557

NA

1.11

C10H16O

(B) Oxygenated sesquiterpenes

48

Farnesene epoxide

15.55

NA

1202

0.93

NA

C15H24O

49

Cedrenol

16.07

NA

1214

0.11

NA

C15H24O

50

Isoaromadendrene epoxide

16.14

NA

1215

0.14

NA

C15H24O

51

Humulene-1,2-epoxide

16.67

NA

1227

1.54

NA

C15H24O

52

Caryophyllene oxide

17.32

NA

1241

1.17

NA

C15H24O

53

Globulol

17.80

NA

1252

0.21

NA

C15H26O

54

α-Santalol

18.06

NA

1258

0.77

NA

C15H24O

55

Bisabolol oxide A

18.29

NA

1263

0.20

NA

C15H26O2

56

α-Bisabolol Oxide-B

18.64

NA

1270

2.10

NA

C15H26O2

57

α-Cadinol

18.85

NA

1275

1.51

NA

C15H26O

58

Spathulenol

18.97

NA

1278

0.24

NA

C15H24O

59

Santalol, E-cis, epi-α-

19.43

NA

1288

0.38

NA

C15H24O

60

6-Epi-shyobunol

19.56

NA

1291

1.86

NA

C15H26O

61

2-Pentadecanone

21.44

NA

1333

0.08

NA

C15H30O

62

4-Epi-cubedol

NA

25.28

1419

NA

0.46

C15H26O

63

Alloaromadendrene oxide

NA

26.41

1445

NA

0.35

C15H24O

64

Cubenol

NA

27.63

1474

NA

1.86

C15H26O

65

Epiglobulol

NA

28.67

1498

NA

0.70

C15H26O

66

Lanceol

NA

29.25

1512

NA

4.25

C15H24O

67

Limonen-6-ol, pivalate

NA

29.77

1524

NA

0.55

C15H24O2

68

Longiborneol

NA

29.86

1526

NA

0.54

C15H26O

69

Gossonorol

NA

30.34

1538

NA

2.90

C15H22O

70

tau-Muurolol

NA

30.80

1549

NA

1.53

C15H26O

71

Ledene oxide-(II)

NA

31.20

1559

NA

1.37

C15H24O

72

Ledol

NA

32.16

1582

NA

6.94

C15H26O

73

Nerolidol

16.91

NA

1232

50.02

NA

C15H26O

74

Levomenol (α-bisabolol)

NA

31.91

1576

NA

21.40

C15H26O

Other volatiles

75

P-Methyl anisole

4.07

NA

873

0.05

NA

C8H10O

76

6-Methyl-5-hepten-2-one

5.00

NA

917

0.36

NA

C8H14O

77

1-Octen-3-ol

5.08

NA

920

0.06

NA

C8H16O

78

Nonanal

7.42

NA

1003

0.07

NA

C9H18O

79

4-Acetyl-1-methylcyclohexene

8.18

NA

1023

0.23

NA

C9H14O

80

α-Terpinyl acetate

12.55

NA

1133

0.31

NA

C12H20O2

81

Glutaric acid, di(3-(2-methoxyethyl) heptyl) ester

16.23

NA

1217

0.24

NA

C25H48O6

82

Oxiraneoctanoic acid, 3-octyl-, methyl ester, trans-

16.57

NA

1225

0.29

NA

C19H36O3

83

2-Acetoxy-1,8-cineole

17.00

NA

1234

1.09

NA

C12H20O3

84

Geranyl-p-cymene

18.38

NA

1265

0.42

NA

C18H26

85

7-Cyano-6-methoxy-1,4,5-trimethyl-indole

19.85

NA

1297

0.18

NA

C13H14N2O

86

9,12-Octadecadienoyl chloride, (Z, Z)-

23.42

NA

1377

0.28

NA

C18H31ClO

87

DI-(9-Octadecenoyl)-Glycerol

23.71

NA

1383

4.05

NA

C39H72O5

88

9-Octadecenoic acid

24.04

NA

1391

1.27

NA

C18H34O2

89

Glycidol stearate

25.01

NA

1412

0.37

NA

C21H40O3

90

Acetic acid, 10,11-dihydroxy-3,7,11-trimethyl-dodeca-2,6-dienyl ester

NA

30.56

1543

NA

3.26

C17H30O4

Total identified volatiles

95.53

94.33

 

Monoterpene hydrocarbons

9.55

2.51

 

Sesquiterpene hydrocarbons

6.44

10.27

 

Oxygenated Monoterpenes

9.01

35.44

 

Oxygenated Sesquiterpenes

61.26

42.85

Other volatiles

9.27

3.26

  1. aRt HD: retention time for hydro-distillation. bRt MAE: retention time for microwave-assisted extraction. cRIExp: retention index was determined experimentally relative to C8–C28 n-alkanes for all compounds. dHD: hydro-distillation, eMAE: microwave-assisted extraction, NA: not available