Table 3 Identification of volatile substances in blanched Shepherd’s purse

Alkanes

2.89

14.53

11

24.03

25.50

1.12

0.77

10.41

1

0.78

n-Hexane

-

5.98

-

11.79

25.50

-

-

9.93

2

3.82

Trichloromethane

0.90

-

-

-

-

-

-

-

3

6.40

Methane, bromodichloro-

1.15

-

-

-

-

0.42

0.77

0.48

4

8.63

Tridecane

-

-

-

2.55

-

-

-

-

5

8.83

Methane, dibromochloro-

0.47

-

-

-

-

0.26

-

-

6

9.54

Tritetracontane

-

-

-

2.83

-

-

-

-

7

10.20

Tetradecane

-

-

4.64

-

-

-

-

-

8

11.49

Heptacosane

-

0.72

-

-

-

-

-

-

9

11.55

Pentadecane

0.37

2.19

3.13

-

-

-

-

-

10

12.83

Hexadecane

-

5.64

3.23

6.86

-

0.44

-

-

Olefins

7.60

2.44

-

4.53

3.45

4.03

-

7.65

11

6.99

D-Limonene

-

-

-

4.53

3.45

-

-

-

12

14.70

Azulene

7.60

-

-

-

-

4.03

-

7.65

13

15.92

Benzocycloheptatriene

-

2.44

-

-

-

-

-

-

Aldehydes

0.36

3.74

-

-

-

6.96

0.55

1.37

14

2.69

Pentanal

-

-

-

-

-

3.30

-

-

15

4.82

Hexanal

-

-

-

-

-

2.49

-

-

16

7.45

2-Hexenal, (E)-

-

-

4.55

6.88

-

0.37

1.20

-

17

10.22

Nonanal

-

-

-

-

-

-

0.55

1.37

18

11.18

2,4-Heptadienal, (E, E)-

0.36

1.55

-

-

-

0.26

-

-

19

12.05

Benzaldehyde

-

2.19

-

-

-

0.54

-

-

Alcohols

13.46

9.70

37.62

49.94

3.45

19.18

8.94

26.02

20

8.05

1-Pentanol

13.46

9.70

33.07

43.06

3.45

13.58

7.74

26.02

21

11.53

1-Hexanol, 2-ethyl-

-

-

4.55

6.88

-

1.24

1.20

22

12.39

1-Octanol

-

-

-

-

-

0.84

-

-

23

17.48

Pentanol

-

-

-

-

-

3.52

-

-

Ethers

0.71

40.13

142.29

84.85

99.78

1.35

0.79

2.42

24

4.43

Disulfide, dimethyl

0.71

40.13

142.29

84.85

99.78

1.35

0.79

2.42

Esters

1.92

-

-

9.66

-

-

-

-

25

2.27

Arsenous acid, tris(trimethylsilyl) ester

1.92

-

-

9.66

-

-

-

-

Ketones

0.50

1.71

10.87

-

-

0.37

0.27

-

26

9.35

5-Hepten-2-one, 6-methyl-

0.50

-

9.00

-

-

-

-

-

27

16.76

3-Buten-2-one, 4-(2,6,6-trimethyl-1-cyclohexen-1-yl)-

-

1.71

1.87

-

-

0.37

0.27

-

Acids

-

-

-

-

-

0.35

-

-

28

12.85

Nonahexacontanoic acid

-

-

-

-

-

0.30

-

-

29

20.24

4-Aminocinnamic acid

-

-

-

-

-

0.05

-

-

Aromatic compounds

11.22

51.86

79.36

88.64

109.15

27.81

18.75

33.41

30

3.92

Toluene

5.16

25.63

52.17

53.23

46.01

17.04

12.18

24.58

31

14.69

Naphthalene

3.69

22.90

16.64

20.47

53.77

7.31

4.25

5.42

32

15.92

1,3-Dimethylnaphthalene

2.37

2.44

4.61

8.48

4.95

1.68

1.76

1.98

33

17.07

Naphthalene, 2,7-dimethyl-

-

1.16

-

1.62

-

-

-

-

34

17.07

Naphthalene, 2-methyl-

-

-

1.03

-

-

-

-

-

35

17.34

Biphenyl

-

-

-

-

-

0.26

-

0.43

36

17.48

Phenol

-

-

4.91

4.84

2.21

1.52

0.56

1.00

37

20.27

Phenol, 2,4-bis(1,1-dimethylethyl)-

-

-

-

-

2.21

-

-

-

Others

2.64

25.03

-

-

-

1.35

-

2.47

38

1.47

Benzo[h]quinoline, 2,4-dimethyl-

-

25.03

-

-

-

-

-

1.95

39

9.26

Pentanoic acid, 2-methyl-, anhydride

-

-

-

-

-

0.55

-

-

40

11.69

Pyrazine, 2-methoxy-3-(1-methylpropyl)-

0.27

-

-

-

-

0.56

-

-