Table 1 Volatile compounds identified in P. guajava extract

2.079

7.08

L-5-Propylthiomethylhydantoin

188

2.144

5.54

Ethanediamide

88

2.23

1.63

L-Alanine, methyl ester

103

2.364

8.35

Sulfur tetrafluoride

108

2.513

11.81

Pentanoic acid, 3-methyl-4-oxo-

130

2.691

0.24

Silane, diethoxydimethyl-

148

2.765

1.46

Isobutyl acetate

116

3.075

0.06

2-Ethoxytetrahydrofuran

116

3.144

0.01

Furfural

96

3.222

0.05

2-Azetidinone, 1-phenyl-

147

3.341

0.02

Ethylbenzene

106

3.556

0.04

5,5-Dimethyl-1,3-dioxane-2-ethanol,tert-butyldimethylsilyl ether

274

3.72

0.01

Butyrolactone

86

4.516

0.01

1,2-Propanediol, diacetate

90

4.787

0.17

Pentanoic acid, 4-oxo-, ethyl ester

144

4.832

0.08

Propanedioic acid, diethyl ester

160

4.985

6.64

1,4-Butanediol, diacetate

174

5.086

0.01

1,2,4-Triazine-3,5(2H,4H)-dione, 6-benzoylthio-

249

5.508

0.05

Hepta-2,4-dienoic acid, methyl ester

140

5.652

0.05

Butanedioic acid, diethyl ester

174

5.687

0.04

2(1H)-Pyridinone, 5-methyl-

109

5.726

0.06

Benzene, 1-(chloromethyl)-2-fluoro-

144

5.798

0.19

Benzoic acid

122

6.079

0.21

Benzaldehyde, 2,4-dimethyl-

134

6.118

0.48

5-Hydroxymethylfurfural

126

6.322

0.08

1,5-Diacetoxypentane

188

6.433

0.35

Butanedioic acid, hydroxy-, diethyl ester, (.+/-.)-

190

6.612

0.37

Benzaldehyde, 4-propyl-

148

6.847

0.43

5-Acetoxymethyl-2-furaldehyde

168

7.175

0.01

1,3-Propanediol, 2,2-dimethyl-, diacetate

188

7.412

0.02

Acetic acid, cyclohexyl ester

142

12.435

0.11

Pentadecane

212

22.254

0.06

Hexadecanoic acid, ethyl ester

284

23.631

0.01

7-Octadecenoic acid, methyl ester

296

24.296

0.01

7-Methyl-Z-tetradecen-1-ol acetate

268

24.398

0.01

7-Tetradecenal, (Z)-

210