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Table 2 Compounds obtained from GC/MS analysis of M. edule leaf part essential oil

From: The inhibitory effect of Mesembryanthemum edule (L.) bolus essential oil on some pathogenic fungal isolates

Percentage composition of M. edule essential oil analysed by GC/MS

PK/No

Compounds

Kovats index

Peak %

Chemical formula

 

Monoterpenes

 

10.6

 

1

Isoterpinolene

1429

0.95

C10 H16

2

Nephthalene, 1,2-dihydro-2,5,8-tri

1546

2.03

C12H10

3

Nephthalene, 1,2-dihydro-2,5,8-tri

1548

1.90

C12H10

4

Bistrimethylsilyl N-acetyl EICOSAS

1978

5.72

C15H33NO5Si3

 

Oxygenated monoterpenes

 

36.61

 

5

Mercaptoacetic acid, bis (trismethylsilyl)

3740

2.07

C8H20O2SSi2

6

Eicosamethylcyclodecasiloxane

1936

2.58

C8H24O4Si4

7

N-Octanol

1297

1.59

C8H18O

8

Nonylaldehyde

1345

2.29

C9H18O

9

Trans-β-demascenone

1538

3.42

C13H18 O

10

Trans-2-tridecenal

1406

0.85

C13H24O

11

Tetradecamethylcycloheptasiloxane

1627

7.39

C14H42O7Si7

12

Tetradecamethylcycloheptasiloxane

1646

13.57

C14H42O7Si7

13

Tetradecamethylcycloheptasiloxane

1654

2.85

C14H42O7Si7

 

Sesquiterpenes

 

3.58

 

14

Octadecane

1991

0.64

C18H38

15

Octadecane

2092

1.12

C18H 38

16

1-octadecene

2266

0.80

C18H36

17

Nonadecane

2284

1.02

C18H40

 

Oxygenated sesquiterpene

 

9.28

 

18

2-pentadecanone,6,10,14-trimethyl

2014

9.28

C18H36O

 

Diterpenes

 

1.43

 

19

Eicosane

2215

0.65

C20H42

20

Eicosane

2439

0.78

C20H42

 

Oxygenated diterpenes

 

19.24

 

21

Phytol (2-Hexadecen-1-o1, 3,7,11,15-tetramethyl)

2289

12.41

C20H40O

22

Trisiloxane,1,1,1,5,5,5-hexamethyl-3-[(trimethylsilyl)oxy] (Tetracosamethylcyclododecasiloxane)

2302

1.64

C24H72O12Si12

23

Tetrasiloxane,1,1,1,5,7,7,7-heptamethyl-3, bis[(trimethylsilyl)oxy] (Tetracosamethylcyclododecasiloxane)

2420

1.66

2 C24H72O12Si12

24

3-Isopropoxy-1,1,1,7,7,7-hexamethyl-3,5,5-tri(trismethylsiloxy) tetrasiloxane (Tetracosamethylcyclododecasiloxane)

2538

1.69

2 C24H72O12Si12

25

Tetrasiloxane-1,1,1,5,7,7,7-heptamethyl-3,3 bis[(trismethylsilyl)oxy)] (Tetracosamethylcyclododecasiloxane)

2680

1.84

2 C24H72O12Si12

 

Fatty acids

 

19.25

 

26

Benzoic acid, 2,5-bis (trimethylsiloxy-,trimethylsilyl ester (Tetracosamethylcyclododecasiloxane)

1841

15.68

C16H30O4 Si3

27

Hexadecanoic acid, ethyl ester

2183

0.89

C18H36O2

28

Hexadecanoic acid, 1-methylethyle ester

2215

2.68

C19H38O2

 

Total compounds (%)

 

99.99

 
  1. Bold data (10.6; 36.61; 3.58; 9.28; 1.43; 19.24; 19.25; 99.99) represents the percentage peak area values calculated for each terpenes and fatty acids hydrocarbon.