Table 1 Relative percentile of volatile metabolites detected in Mimusops caffra leaves hexane extracts analyzed using GC–MS.

Total monoterpenes hydrocarbons

3.87

 1

7.872

1-Ethyl-2,4-dimethylcyclohexane

Monoterpene

0.63

69

 2

8.245

1-p-Menthene

Monoterpene

1.41

55

 11

11.95

1-Ethyl-2-propyl-cyclohexane

Monoterpene

0.53

69

 13

12.595

2-Methyldecalin

Monoterpene

0.69

81

 16

13.358

Pentyl cyclohexane

Monoterpene

0.61

83

Total aliphatic hydrocarbons

26.7

 3

8.567

1-Methyl-3-propylcyclohexane

Aliphatic hydrocarbons

1.09

97

 4

8.981

1-Methyl-2-propylcyclohexane

Aliphatic hydrocarbons

0.21

97

 5

9.122

Decane

Aliphatic hydrocarbons

3.4

43

 6

10.108

Butylcyclohexane

Aliphatic hydrocarbons

0.63

83

 7

10.824

Decalin

Aliphatic hydrocarbons

1.09

67

 8

11.146

2-Methyldecane

Aliphatic hydrocarbons

1.37

43

 9

11.353

3-Methyl decane

Aliphatic hydrocarbons

0.31

57

 10

11.768

1-Ethyl-1-methyl-cyclohexane

Aliphatic hydrocarbons

0.54

97

 12

12.294

Undecane

Aliphatic hydrocarbons

7.61

57

 14

12.814

Dodecane

Aliphatic hydrocarbons

0.73

57

 17

14.022

3,6-Dimethyldecane

Aliphatic hydrocarbons

0.61

57

 18

14.14

4-Methyl-undecane

Aliphatic hydrocarbons

0.35

43

 19

14.274

2-Methyl-undecane

Aliphatic hydrocarbons

1.23

43

 20

14.483

3-Methyl-undecane

Aliphatic hydrocarbons

0.56

57

 22

15.394

Dodecane

Aliphatic hydrocarbons

6.31

57

 23

15.805

3,6-Dimethyl-undecane

Aliphatic hydrocarbons

0.25

57

 45

49.847

Tetratetracontane

Aliphatic hydrocarbons

0.42

57

Total aromatic hydrocarbon

41.5

 24

24.745

5-Phenyl decane

Aromatic hydrocarbons

1.09

91

 25

24.961

4-Phenyldecane

Aromatic hydrocarbons

1.02

91

 26

25.42

3-Phenyl decane

Aromatic hydrocarbons

1.25

91

 27

26.318

2-Phenyl-decane

Aromatic hydrocarbons

1.81

105

 28

27.134

5-Phenyl undecane

Aromatic hydrocarbons

4.12

91

 29

27.373

4-Phenyl undecane

Aromatic hydrocarbons

2.51

91

 30

27.862

3-Phenyl undecane

Aromatic hydrocarbons

3.08

91

 31

28.725

2-Phenyl undecane

Aromatic hydrocarbons

4.35

105

 32

29.312

6-Phenyl dodecane

Aromatic hydrocarbons

1.95

91

 33

29.422

5-Phenyl dodecane

Aromatic hydrocarbons

2.21

91

 34

29.694

4-Phenyl dodecane

Aromatic hydrocarbons

1.9

91

 35

30.179

3-Phenyl dodecane

Aromatic hydrocarbons

2.36

91

 36

31.031

2-Phenyl dodecane

Aromatic hydrocarbons

3.47

105

 37

31.481

6-Phenyl tridecane

Aromatic hydrocarbons

2.35

91

 38

31.63

5-Phenyl tridecane

Aromatic hydrocarbons

1.83

91

 39

31.902

4-Phenyl tridecane

Aromatic hydrocarbons

1.58

91

 40

32.401

3-Phenyl tridecane

Aromatic hydrocarbons

1.84

91

 41

33.225

2-Phenyl tridecane

Aromatic hydrocarbons

2.78

105

Total alcohol

0.91

 15

13.121

Phytol

Diterpenes alcohol

0.91

43

Total fatty acid/ester

0.59

 42

33.54

Palmitic acid, methyl ester

fatty acid/ester

0.59

74

Total organic acid/ester

3.09

 21

14.952

Oxalic acid, cyclohexylmethyl isohexyl ester

Organic acid/ester

0.29

97

 43

44.81

Phthalic acid, bis(2-ethylhexyl) ester

Organic acid/ester

2.8

149

Total phenols

1.32

 46

53.319

α-Tocopherol

Methylated phenols

1.32

165

Total triterpenoid

21.97

 44

48.962

Squalene

Triterpenoid

2.03

69

 47

57.168

β-Amyrin

Triterpenoid

4.24

218

 48

58.104

24-Norursa-3,12-diene

Nortriterpenes

12.31

218

 49

59.078

β-Amyrin (12-oleanenol) acetate

Triterpenoid

1.53

218.2

 50

60.051

α-Amyrin

Triterpenoid

1.86

218