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Table 2 Chemical composition of the essential oils of T. minuta flower

From: Chemical constituents, antibacterial and antioxidant properties of the essential oil flower of Tagetes minuta grown in Cala community Eastern Cape, South Africa

S/N

Chemical constituents

Chemical formula

RT (min)

% Composition

1

Butanoic acid, 2-methyl-, ethyl ester

C7H14O2

3.26

0.06

2

2-Hexenal, (E)-

C6H10O

3.30

0.09

3

1-Hexanol

C6H14O

3.37

0.09

4

Heptanal

C7H14O

3.643

0.05

5

2-Cyclopenten-1-one, 3,4-dimethyl-

C7H10O

3.752

0.07

6

1H–Imidazole, 2-ethyl-4-methyl-

C6H10N2

3.832

1.29

7

Phenol, 3,4-dimethyl-

C7H10O

3.923

0.07

8

(1S)-2,6,6-Trimethylbicyclo [3.1.1] hept-2-ene

C10H16

3.979

0.17

9

Nona-3,5-dien-2-one

C9H14O

4.022

0.07

10

Camphene

C10H16

4.16

0.13

11

1-Octene

C8H16

4.158

0.08

12

Bicyclo [3.1.0] hexane, 4-methylene- 1-(1-methylethyl)-

C10H16

4.286

0.39

13

Furan, 2-pentyl-

C9H14O

4.374

0.41

14

Octanal

C8H16O

4.457

0.36

15

α –Phellandrene

C10H16

4.537

0.23

16

2,4-Heptanedione, 6-methyl-

C8H14O2

4.648

0.14

17

β-Ocimene

C10H16

4.751

14.40

18

1,3,7-Octatriene, 3,7-dimethyl-

C10H16

4.843

0.57

19

Valeric acid, 3-tridecyl ester

C18H36O2

4.903

9.24

20

ɤ-Terpinene

C10H16

4.982

0.41

21

3,4-Dimethylbenzyl alcohol

C9H12O

5.039

0.07

22

Furan, 2,3-dihydro-3-methyl-

C5H8O

5.066

0.15

23

p-Cymen-7-ol

C10H14O

5.224

1.03

24

6-Methyl-3,5-heptadiene-2-one

C8H12O

5.299

0.26

25

Furazan, 3-(dimethylaminomethylenamino)-4-(1,2,4-triazol-3-yl)-

C7H9N7O

5.370

0.24

26

2,6-Dimethyl-1,3,5,7-octatetraene, E,E-

C10H14

5.435

0.07

27

2,4,6-Octatriene, 2,6-dimethyl-,E,Z)-

C10H16

5.484

1.88

28

5,7-Octadien-4-one, 2,6-dimethyl-, (Z)-

C10H16O

5.617

1.50

29

5,7-Octadien-4-one, 2,6-dimethyl-, (E)-

C10H16O

5.698

7.14

30

Sorbic acid vinyl ester

C8H10O2

5.763

0.34

31

Butanoic acid, 3-hexenyl ester, (E)-

C8H18O2

5.923

2.21

32

Bicyclo [2.2.1] heptane, 7,7-dimethy l-2-methylene-

C10H16

6.028

0.62

33

Decanal

C10H20O

6.066

0.64

34

Cyclopentanone, 2-cyclopentylidene

C10H14O

6.121

0.43

35

2-Cyclohexen-1-ol, 2-methyl-5-(1-m ethylethenyl)-, cis

C10H16O

6.246

0.22

36

Phenol, m-tert-butyl-

C10H14O

6.318

9.41

37

Naphthalene, 1,2,3,4,4a,5,6,7-octa hydro-4a-methyl-

C11H18

6.380

5.58

38

Phenol, 2,3,5,6-tetramethyl-

C10H14O

6.494

0.60

39

4-Methyl-1,3-heptadiene

C10H14O

6.573

0.26

40

Orcinol

C7H8O2

6.626

0.45

41

1H–Pyrazole, 4,5-dihydro-5,5-dimethyl-4-isopropylidene-

C8H14N2

6.659

0.76

42

Bornyl acetate

C12H20O

6.750

0.29

43

Propanoic acid, 2-methyl-, octyl ester

C12H14O2

7.032

0.06

44

1,5,5-Trimethyl-6-methylene-cyclohexene

C10H16

7.128

0.15

45

2,6,10,14-Hexadecatetraen-1-ol, 3, 7,11,15-tetramethyl-, acetate, (E, E,E)-

C20H34O

7.311

0.06

46

2-Isopropylidene-3-methylhexa-3,5-dienal

C10H14

7.428

0.18

47

1-Benzothiepin, 2,3,4,5-tetrahydro

C9H10O2S

7.503

1.23

48

Nonyl 2-methylbutanoate

C14H28O2

7.640

0.25

49

Caryophyllene

C15H24

7.756

1.86

50

Humulene

C15H24

7.977

0.73

51

Naphthalene, 1,2,3,5,6,7,8,8a–octa hydro-1,8a–dimethyl-7-(1-methylethenyl)-, [1R-(1α,7β,8aα)]-

C15H24

8.073

0.25

52

Aromandendrene

C15H24

8.092

0.32

53

1,6-Cyclodecadiene, 1-methyl-5-methylene-8-(1-methylethyl)-, [S-(E,E)]-

C15H26

8.142

0.51

54

Bicyclogermacrene

C15H24

8.239

1.19

55

ɤ -Muurolene

C15H24

8.327

0.17

56

Naphthalene, 1,2,3,5,6,8a–hexahydro-4,7-dimethyl-1-(1-methylethyl)-, (1S–cis)-

C15H24

8.351

0.15

57

2,2,6-Trimethyl-1-(3-methylbuta-1, 3-dienyl)-7-oxabicyclo [4.1.0] heptan-3-ol

C14H22

8.423

0.60

58

1,6,10-Dodecatrien-3-ol, 3,7,11-trimethyl-, [S-(Z)]-

C15H24 O

8.516

0.17

59

Culmorin

C15H24 O2

8.566

0.02

60

Tricyclo[2.2.1.0 (2,6)] heptane, 1,7-dimethyl-7-(4-methyl-3-pentenyl)-, (−)-

C15H24

8.698

0.19

61

(−)-Spathulenol

C15H24 O

8.767

4.56

62

Caryophyllene oxide

C15H24 O

8.813

1.01

63

1H–Cycloprop[e]azulen-4-ol, decahydro-1,1,4,7-tetramethyl-, [1aR-(1aα, 4β, 4aβ,7α, 7aβ, 7bα]-

C15H26 O

8.865

0.25

64

Levomenol

C15H26 O

8.914

0.30

65

3-Cyclohexen-1-carboxaldehyde, 3,4-dimethyl-

C9H14 O

8.965

0.22

66

Tricyclo [4.4.0.0(2,7)] dec-3-ene-3-methanol, 1-methyl-8-(1-methylethyl)-

C15H24 O

9.092

1.06

67

Longipinocarveol, trans-

C15H24 O

9.293

0.33

68

Octadecanal

C18H36 O

9.358

0.11

69

7-Tetracyclo [6.2.1.0(3.8)0(3.9)] undecanol, 4,4,11,11- tetramethyl

C15H24O

9.379

0.11

70

Phenol, 2-methyl-4-(1,1,3,3-tetramethylbutyl)-

C15H24 O

9.501

0.12

71

Carbonic acid, 4-isopropylphenyl propargyl ester

C17H14 O4

9.551

0.06

72

11-Isopropylidenetricyclo[4.3.1.1(2,5)]undec-3-en-10-one

C14H18

9.599

0.08

73

Shyobunone

C15H24 O

9.647

0.03

74

2-Acetyl-6-methoxynaphthalene

C13H12 O2

9.828

0.14

75

Cholesterol

C27H46 O

9.879

0.04

76

Bicyclo[3.1.1]heptane, 2,6,6-trimethyl-,(1α,2β,5α)

C10H18

10.020

0.63

77

2-Pentadecanone, 6,10,14-trimethyl

C18H36 O

10.060

0.53

78

Caryophyllene oxide

C15H24O

10.124

0.15

79

1-Hexadecanol

C16H34O

10.230

0.22

80

2,6-Diisopropylnaphthalene

C16H20

10.300

0.18

81

2-Cyclohexen-1-one, 4-(3-hydroxybutyl)-3,5,5-trimethyl-

C13H22 O2

10.468

0.09

82

6Z-2,5,5,10-Tetramethyl-undeca-2,6,9-trien-8-one

C15H24 O

10.502

0.09

83

Ar-tumerone

C15H20 O

10.610

0.50

84

3-(4,8,12-Trimethyltridecyl) furan

C20H36O

10.706

0.49

85

3,3-Dimethylbutan-2-yl (E)-2-methylbut-2-enoate

C11H20O2

10.920

0.24

86

1-Isopropenyl-3,3-dimethyl-5-(3-methyl-1-oxo-2-butenyl) Cyclopentane

C15H24O

10.970

1.43

87

3-Methyl-2-butenoic acid, 2-methyloct-5-yn-4-yl ester

C14H22O2

11.022

0.19

88

Fumaric acid, heptadecyl 2,2,2-trifluoroethyl ester

C8H6F6O4

11.117

0.40

89

Methyl 3-(1-formyl-3,4-methylenedioxy)benzoate

C16H12O5

11.305

0.42

90

(E)-2-Isopropyl-5-methylphenyl 2-methylbut-2-enoate

Ni

11.523

0.52

91

3-Methyl-2-butenoic acid, 2-methyl

C14H22O2

11.668

0.28

92

Cyclohexane, (2-nitro-2-propenyl)-

C9H15NO2

11.928

2.28

93

Hexane, 1,6-dibromo-

C6H12Br2

11.942

0.33

94

2,2':5',2"-Terthiophene

C14H8S3

12.089

0.25

95

Eicosane

C20H42

12.175

0.18

96

Benzo[b]naphtho[2,3-d]thiophene,8-dimethyl-

C18H14

12.591

0.90

97

2,4-Cyclohexadien-1-one, 3,5-bis(1,1-dimethylethyl)-4-hydroxy-

C14H22O2

12.992

0.02

98

Octasiloxane,1,1,3,3,5,5,7,7,9,9,11,11,13,13,15,15-hexadecamethyl-

C16H48O7Si8

13.141

0.16

 

Total content of EO (%)

  

89.16

 

Yield of EO (%)

  

0.33

  1. RT Retention time, Ni not identified, EO essential oil