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Table 3 Relative percentage of the compounds detected in ethanolic leaf extract of M. communis by GC-MS

From: GC-MS analysis of Myrtus communis extract and its antibacterial activity against Gram-positive bacteria

S. No.

Rt* (min)

Compound Name

SI**

% Peak area***

1

5.1

Acetol

98

0.64

2

6.2

Methyl acrylate

91

0.50

3

6.5

Methyl acetate

91

0.19

4

6.7

Ethyl glycolate

96

0.13

5

6.9

Methyl pyruvate

93

0.57

6

7.3

Ethyl orthoformate

85

1.99

7

8.7

3-Hydroxymethylfuran

94

0.17

8

9.5

Isopropyl isopropoxyacetate

80

0.36

9

9.9

Dihydroxyacetone

93

1.01

10

10.5

Ethyl diethoxyacetate

82

0.23

11

11.4

1,2-Cyclopentanedione

97

0.32

12

13.3

5-MethyIfurfural

96

0.10

13

13.8

(−)-β-Pinene

95

0.07

14

14.0

2,4-Dihydroxy-2,5-dimethyl-3(2H)-furanone

81

0.25

15

14.1

5-Diethoxymethyl-3-ethoxy-4,5-dihydro-isoxazole

83

0.12

16

14.4

Phenol

90

0.04

17

14.6

5-Diethoxymethyl-3-ethoxy-4,5-dihydro-isoxazole

80

0.14

18

14.8

Glutaconic anhydride

91

0.09

19

15.1

2,2-Diethyl-3-methyl-1,3-oxazolidine

80

0.06

20

16.7

D-Limonene

93

0.65

21

16.9

1, 8-Cineole

95

3.96

22

20.3

5-Hydroxyazouracil

84

0.17

23

20.4

(+)-4-Carene

90

0.18

24

21.3

Linalool

97

2.80

25

24.2

4H-Pyran-4-one, 2,3-dihydro-3,5-dihydroxy-6-methyl-

90

0.49

26

27.1

α-Terpineol

98

1.60

27

27.4

L-α-Terpineol

96

1.12

28

28.5

Catechol

96

0.49

29

30.5

5-Hydroxymethylfurfural

93

1.62

30

31.6

Linalyl formate

93

1.93

31

31.9

Linalyl acetate

91

0.97

32

38.0

α-Terpinyl acetate

92

1.02

33

40.4

Pyrogallol

92

9.11

34

41.7

Methyleugenol

92

0.12

35

42.2

β-Caryophyllene

94

0.56

36

42.7

α -Isomethyl ionone

82

0.21

37

43.5

Tyrosol

94

0.11

38

48.0

Cyclohexanecarboxaldehyde, 6-methyl-3-(1-methylethyl)-2-oxo-1-(3-oxobutyl)-

81

0.25

39

50.5

1,1,8a-Trimethyloctahydro-2,6-naphthalenedione

67

27.60

40

64.3

3-Methyl-2-butenoic acid, undec-2-enyl ester

82

0.81

41

65.8

Phytol acetate

91

0.42

42

71.7

Aspidinol

91

0.08

43

72.0

L-Ascorbyl 2,6-Dipalmitate

91

0.66

44

78.8

Phytol

85

0.19

45

79.9

9-Octadecenoic acid

88

0.30

46

94.9

Palmitic acid- β-monoglyceride

87

0.22

47

106.3

Squalene

94

1.15

48

115.1

n-Dotriacontane

95

0.72

49

116.1

α-tocopherol-β-D-mannoside

96

1.78

50

121.4

Clionasterol

84

1.35

  1. *Rt: Retention time
  2. **SI (Similarity Index): It is the percentage of computer-based spectral matching between the mass spectrum of each unknown peak in the chromatogram to the spectra stored in NIST library database. SI = 100; when two spectra are identical and 0 if they are completely different
  3. ***% Peak Area: It is the relative percentage amount of each component in the extract calculated by comparing its peak area to the total peak areas in the chromatogram
  4. The identity of the most abundant compound 39 needs to be confirmed by further isolation and fractionation
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BMC Complementary Medicine and Therapies

ISSN: 2662-7671

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