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Table 4 Main bioactive component and the relative contents of CEOs using GC–MS

From: Bioactivity of Citrus essential oils (CEOs) against microorganisms associated with spoilage of some fruits

 

R. Time (min)

Peak area (%)

Name of compounds

Molecular formula

Molecular weight (g/mol)

Lime oil

 1

9.97

2.01

Alpha-pinene

C10H16

136.24

 2

11.93

25.24

Beta-pinene

C10H16

136.24

 3

12.58

0.97

Beta-myrcene

C10H16

136.24

 4

14.12

27.86

d-Limonene

C10H16

136.24

 5

15.31

2.47

Alpha-phellandrene

C10H16

136.24

 6

17.01

1.71

3-Carene

C10H16

136.24

 7

18.35

0.89

Trans-7-Oxabicyclo[4.1.0]heptane

C10H16O

152.25

 8

19.90

5.84

Terpinen-4-ol

C10H18O

154.25

 9

20.46

7.52

Alpha-terpineol

C10H18O

154.25

 10

20.98

1.00

Decanal

C10H20O

156.20

 11

21.87

5.11

2,6-Octadien-1-ol

C8H14O

126.20

 12

22.29

4.11

2,6-Octadienal

C8H12O

124.18

 13

22.86

4.73

Geraniol

C10H18O

154.25

 14

23.36

5.57

3,7-dimethyl-citral

C10H16O

152.24

 15

28.66

1.09

1,3,6,10-Dodecatetraene

C15H24

204.35

 16

30.92

2.91

Beta-bisabolene

C15H24

204.35

Lemon oil

 1

3.69

1.44

Isobutyl methyl ketone

C6H12O

100.00

 2

5.37

1.65

Alpha-phellandrene

C10H16

136.00

 3

5.93

0.88

Sabinene

C10H16

136.00

 4

6.02

12.37

Beta-pinene

C10H16

136.23

 5

6.76

14.40

l-Limonene

C10H16

136.00

 6

7.86

4.56

3,7-dimethyl-1,3,6-Octatriene

C10H18O

154.00

 7

8.62

1.50

Fenchol

C10H18O

154.25

 8

9.14

6.72

Terpinen-4-ol

C10H18O

154.00

 9

9.38

31.72

Alpha-terpineol

C10H18O

154.25

 10

9.97

3.39

Neral

C10H16O

152.00

 11

10.39

4.77

Geranial

C10H16O

152.00

 12

12.54

2.27

Bergamotene

C15H24

204.00

 13

13.49

3.69

Camphene

C10H16

136.00

 14

15.04

1.45

Phthalic acid

C10H10O4

194.00

 15

22.97

9.18

Cyclohexanol

C10H20O

156.00