Table 1 Chemical composition of supercritical carbon dioxide extracts of pitaya peel

1

n-Hexadecanoic acid

39.85

1.46

2.37

2

1-Hexadexyne

44.47

-

0.68

3

(Z, Z)-9, 12-Octadecadienoic acid

44.97

-

1.62

4

2-Chloroethyl linoleate

45.01

0.38

-

5

Oleic acid

45.19

1.17

1.25

6

Octacosane

49.61

12.2

-

7

17-Pentatriacontene

50.83

1.15

-

8

Trichloroacetic acid, hexadecyl ester

54.71

-

5.21

9

1-Nonadecene

54.79

3.17

-

10

6-Tetradecanesulfonic acid, butyl ester

55.81

-

1.25

11

1,2-Benzenedicarboxylic acid, mono (2-ethylhexyl) ester

56.11

0.31

0.81

12

Phthalic acid, 6-ethyloct-3-yl 2-ethylhexyl ester

56.19

1.21

-

13

Eicosane

59.44

3.64

1.92

14

Tetratriacontane

59.51

1.04

-

15

1-Tetracosanol

59.80

5.19

-

16

Heptacosane

59.93

0.44

5.52

17

Campesterol

60.97

4.16

5.27

18

Stigmasterol

62.59

1.21

2.75

19

Squalene

62.86

0.22

0.64

20

11-Hexacosyne

63.07

1.24

-

21

Octadecanal

63.18

-

3.55

22

Nonacosane

64.52

1.43

5.02

23

Octadecane

64.87

6.27

9.25

24

γ-Sitosterol

65.12

9.35

19.32

25

α-Amyrin

66.15

13.90

-

26

Hexadecyl oxirane

67.55

-

1.54

27

β-Amyrin

67.81

15.87

23.39

28

Ergosta-4,6,8(14),22-tetraen-3-one

68.24

-

1.46

29

Docosane

68.82

3.19

-

30

Stigmast-4-en-3-one

69.83

4. 65

-

31

β-Sitosterol

72.84

2.46

-