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Table 1 The structures and molecular formula of essential oils in S. williamsii

From: Phytochemicals and potential health effects of Sambucus williamsii Hance (Jiegumu)

No.

Compound

Molecular formula

Relative amount (%)

1

Hexanal

C6H12O

0.05

2

α-Terpineol

C10H18O

0.06

3

4-Terpineol

C10H18O

0.08

4

α-Pinene

C10H16

0.09

5

Camphor

C10H16O

0.11

6

δ-Elemene

C15H24

0.11

7

Heneicosane

C21H44

0.21

8

2-Pentadecanone

C15H30O

0.24

9

3-Methyl-pentanoic acid methyl ester

C7H14O2

0.26

10

6,10-Dimethyl-5,9-undecadien-2-one

C13H22O3

0.38

11

Diallyl disulphide

C6H12S2

0.41

12

Eicosane

C20H42

0.42

13

3-Vinyl-1,2-dithio cyclohe-5-ene

C7H10S2

0.44

14

Thymol

C10H14O

0.48

15

β-Ionone

C13H20O

0.48

16

Hexadecane

C16H34

0.64

17

Epi-bicyclosequiphellandrene

C15H24

0.69

18

Ethyl salicylate

C9H10O3

0.69

19

2,4,10,14-Tetramethyl pentadecane

C20H42

0.76

20

Hexanoic acid 2-hexenyl ester

C12H22O2

0.83

21

Heptadecane

C17H36

0.85

22

Hyacinthin

C8H8O

0.87

23

Dihydro-β-agarofuran

C15H26O

0.89

24

3-Methyl-pentanoic acid

C6H12O2

1.10

25

1,2-Dithiolane,1,1-dioxide

C3H6O2S2

1.26

26

Decanal

C8H16O

1.30

27

1-Heptan-3-ol

C7H14O

1.33

28

Ethyl caproate

C8H16O2

1.34

29

Isoamyl isovalerate

C10H20O2

1.52

30

Heptanal

C7H14O

1.53

31

Benzaldehyde

C7H6O

1.85

32

Cyclotetradecane

C14H28

1.95

33

Hexanoic acid hexyl ester

C12H24O2

1.96

34

l-Linalool

C10H18O

2.04

35

Isovaleric acid

C5H10O2

2.08

36

3-Methyl-1-butanol

C5H12O

2.11

37

Octanal

C7H14O

2.11

38

cis-3-Hexenol

C6H12O

2.19

39

trans-2-Hexenyl isovalerate

C11H20O2

2.23

40

Benzyl isovalerate

C12H16O2

3.04

41

4-Methoxy-6-(2-propenyl)-1,3-benzodioxole

C18H18O3

3.10

42

2-Phenylethyl-3-methylbutanoate

C13H18O2

3.11

43

cis-3-Hexenyl caproate

C12H22O2

3.24

44

3-Methyl-butanoic acid ethyl ester

C7H14O2

3.68

45

2-Heptanone

C7H14O

3.86

46

Hexyl isovalerate

C11H22O2

4.02

47

1-Methoxy-4-(1-propenyl)benzene

C10H12O

6.29

48

1-Methoxy-4-(2-propenyl)benzene

C10H12O

6.79

49

cis-3-Hexenyl-3-methylbutanoate

C11H20O2

14.03

50

Salicylic acid methyl ester

C8H8O3

22.89