Table 1 The concentration of volatile compounds (free and bound) identified in Vitex doniana sweet (µg kg⁻¹ of pulp)

Alcohols

 3-Methyl-but-3-en-1-ol

1209

720

1046 ± 33.0^a

570 ± 23.6^b

 2/3-Methyl-butanol

1213

738

153 ± 11.4^a

102 ± 10.6^b

 (Z)-3-Hexen-1-ol

1389

858

312 ± 17.2^a

23 ± 2.0^b

 Hexan-1-ol

1079

872

60 ± 3.5^a

33 ± 1.5^b

 2,6-Dimethylcyclohexanol

1112

979

tr

tr

 1-Octen-3-ol

1451

979

tr

tr

 2-Phenylethanol

1911

1117

2457 ± 151.0^a

97 ± 5.9^b

Aldehydes

 2-Phenylethanal

1037

–

tr

21 ± 2.1^a

 Benzaldehyde

1524

1517

tr

35 ± 3.2^a

Acids

 2-Ethyl hexanoic acid

1129

–

tr

Nd

 Acetic acid

1428

600

18 ± 2.7^a

19 ± 0.8^a

Esters

 Ethyl-2-methylpropionate

961

758

315 ± 26.0

Nd

 Methylbutanoate

981

723

205 ± 16.0^a

tr

 Ethylbutanoate

1028

803

604 ± 112.0

Nd

 1-Pentyl acetate

1170

919

37 ± 4.3

Nd

 Methyl hexanoate

–

1000

433 ± 45.1

Nd

 Butyl butanoate

1218

995

65 ± 5.6

Nd

 2-Heptyl acetate

1259

1040

tr

tr

 Hexyl acetate

1270

1014

522 ± 101.6

Nd

 (Z)-3-Hexenyl acetate

1325

1007

125 ± 2.5^a

tr

 Methyl octanoate

–

1137

475 ± 96.0^a

35 ± 1.5^b

 Ethyl cinnamate

2167

1469

715 ± 117.0

Nd

Terpenes

 Limonene

1185

1030

127 ± 9.3

Nd

 (E)-β-Ocimene

1250

1156

tr

Nd

 Borneol

1253

885

tr

tr

 (Z)-Rose oxide

1337

–

40 ± 5.0

Nd

 (E)-α-Bergamotene

1415

–

tr

Nd

 Linalool

1540

1103

5121 ± 107.0^a

506 ± 19.4^b

 α-Terpineol

1582

1195

216 ± 5.0^a

57 ± 6.7^b

 Geranial

1715

1277

114 ± 4.5

Nd

 Geraniol

1840

–

341 ± 13.4^a

79 ± 8.6^b

Ketones

 Acetophenone

1067

–

42 ± 6.0^b

437 ± 15.6^a

 4-Hydroxy-2,5-dimethyl-3(2H)-furanone

2038

1070

50 ± 2.6^b

326 ± 15.0^a

 ϒ-Jasmolactone

2176

–

Nd

186 ± 11.7

Phenol

 Guaiacol

1842

1089

Nd

231 ± 14.3

 Norisoprenoids

  Theaspirane isomer I

1280

–

Nd

tr

  Theaspirane isomer II

1308

–

Nd

tr

  β-Damascenone

1801

1389

tr

21 ± 1.7^a

  4-Hydroxy-β-ionol

1601

–

Nd

162 ± 10

  β-Ionone

1933

1491

260 ± 12.0^a

tr^b

  3-Oxo-α-ionol

1938

–

Nd

100 ± 12.5

  4-Oxo-β-ionol

1943

–

Nd

141 ± 7.9

Total

13,900 µg kg⁻¹

3236 µg kg⁻¹

Alcohols

29.1%

26.1%

Esters

25.2%

1.36%

Terpenes

43%

20.1%

Ketones

0.66%

29.3%

Nop.

1.91%

13.3%