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Table 1 Components of volatile oils in unripe and ripe fruits of Dennettia tripetala

From: Bactericidal and antioxidant properties of essential oils from the fruits Dennettia tripetala G. Baker

Componenta

KIb

Composition (%)

Methodsof Identification

Mass spectra (MS) Datac

Q Ad

UFO RFO

1-Nitro-pentane

900

0.31

0.68

MSD, RI

43,41,69,71

89

α-Pinene

927

0.05

0.10

MSD, RI

93,79, 41,136

99

β-Pinene

938

0.06

0.07

MSD, RI

93,69, 41, 136

98

Camphene

940

0.21

0.10

MSD, RI

93,69,41,77

99

β-Myrcene

944

0.20

0.40

MSD, RI

41, 93, 77,136

97

α- Phellandrene

953

–

0.20

MSD, RI

93,68,136,79

95

p-Cymene

957

0.13

0.30

MSD, RI

41,93,69,77

95

(+) - 4 - Carene

963

–

t

MSD, RI

145,41,135,128

90

β-Ocimene

968

0.08

0.27

MSD, RI

119,91,134,136

94

Linalool

970

2.57

3.85

MSD, RI

71,43,69,55

97

α -Terpinene

1031

13.93

16.25

MSD, RI

93,136,121,77

90

Phenylethyl alcohol

1045

0.61

0.38

MSD, RI

81,,69,55, 108

90

Ui

1048

0.39

0.30

  

37

Borneol

1116

t

–

MSD, RI

43,95,41,105

99

Terpinen-4-ol

1128

–

0.25

MSD, RI

71,93,111,41

96

α-Terpineol

1157

0.08

0.09

MSD, RI

71,93,111,41

99

Safrole

1278

–

0.60

MSD, RI

98,148,108

91

2-Methylphenyl formate

1356

56.05

51.26

MSD, RI

15, 106,77,51

89

Elemene

1385

–

0.06

MSD, RI

109, 43,95,161

98

Caryophyllene

1419

6.23

10.80

MSD, RI

41,93,133,79

99

Humulene

1459

0.54

0.36

MSD, RI

93,80,121,41

90

α -Farnesene

1472

1.50

0.74

MSD, RI

69,93,107, 133

95

β -Farnesene

1482

t

0.16

MSD, RI

67,107,93,133

93

Caryophyllene oxide

1579

0.22

0.70

MSD, RI

41,111, 79,93

94

Copaene

1633

0.09

0.04

MSD, RI

105,119,161,141

95

Ui

1678

–

1.59

  

45

4-epi-cubenol

1720

–

t

MSD, RI

43,105,119,161

90

Ui

1756

8.69

4.33

  

38

Guaiol

1785

0.10

0.14

MSD, RI

59,93,107,161

90

α-Eudesmol

1834

0.14

0.21

MSD, RI

77,51, 33, 29

89

trans-Cadinol

1872

0.58

0.63

MSD, RI

43,105,204,176

91

Azulen-5-ol

1895

0.07

0.09

MSD, RI

59,93,107,135

95

Ascorbic acid 2,6-dihexadecanoate

1904

0.16

0.07

MSD, RI

63,′156,174,118

98

9-Octadecenoic acid

1925

0.30

0.24

MSD, RI

209,253,344,44

93

Total oil content (%)

 

94.06

95.32

   

Yield (% w/w)

 

0.62

1.10

   
  1. Ui Unidentified, MSD mass spectra data, RI retention index relative to C9- C23 on the column HB-5, t = less than 0.05%
  2. aComponents elution order in column HB-5;b = Kovat’s index,c = some of the m/z for most abundant peaks in the mass spectrum,d = % of library quality assurance