Table 2 Compounds identified by GC-MS analysis

Nitrogenous compounds

9.575

 3-Butenoic acid, 3-methoxy-4-nitro-, methyl ester, (E)

14.754

 Benzene, 1-isocyanato-4-methoxy

20.618

 3,4-Dimethoxy-6-amino toluene

21.787

 1H-Pyrrole-3-carboxylic acid, 5-formyl-1-(methoxymethyl)-, methyl ester

21.795

 3,4,5-Trimethoxybenzylamine

24.873

 2,5-Dimethoxyphenyl isocyanate

25.952

 2,4-Dimethoxyphenylamine, N-ethoxycarbonyl-

26.019

 9H-Purin-6-amine, N,N,9-trimethyl

26.982

 4-(Diethylamino)salicylaldehyde

27.134

 2,3,4-Trimethoxyphenylacetonitrile

28.503

 Bicyclo[2.2.1]heptane-2-acetamide, N-(1,3-dihydro-5,6-dimethoxy-3-oxo-4-isobenzofuranyl)

28.703

 3,4,5-Trimethoxyphenyl cyanate

28.709

 Tris(2,4,6-dimethylamino)pyrimidine

28.915

 Caffeine

29.340

 Acetamide, N-[2-(3,4-dimethoxyphenyl)ethyl]

29.346

 3-Pyridinecarboxamide, 4-(methoxymethyl)-6-methyl-2-propoxy-

29.537

 1,3-Benzenediamine, N,N′-diethyl

30.534

 Carbonic acid, monoamide, N-(2,4-dimethoxyphenyl)-, butyl ester

30.774

 3-(2-Ethoxycarbonyl-ethyl)-4-methyl-1H-pyrrole-2-carboxylic acid, ethyl ester

30.775

 Carbonic acid, monoamide, N-(2,4-dimethoxyphenyl)-, butyl ester

30.801

 Propanamide, 3-amino-N-(2,5-dimethoxyphenyl)-3-(hydroxyimino)-

26.134

 Phenol, 4-(aminomethyl)-2-methoxy

30.741

 1,5-Bis[veratrylaminomethyl]-2,6-dihydroxynaphthalene

30.952

 3H-Purin-6-amine, N,N,3-trimethyl

31.834

 Benzeneethanamine, N-acetyl-2,3,4,5-tetramethoxy

32.132

 Acetamide, N-(3,4,5-trimethoxyphenethyl)

35.077

 Uridine, 2′-deoxy-3-methyl-3′,5′-di-O-methyl-

35.926

 Cytidine, N-methyl-, 2′,3′,5′-trimethyl ether

36.019

 Thymidine, 2′-deoxy-N,O,O-trimethyl-

37.792

 N-[12-Aminododecyl]aziridine

41.125

 Adenosine, 2′-deoxy-N,N,O,O-tetramethyl-

42.007

 Adenosine, 3′-amino-3′-deoxy-N,N-dimethyl

Carbohydrate compounds

17.168

 1,6-Anhydro-β-d-glucose, trimethyl ether

18

 α-d-Galactopyranoside, methyl 2,3,4,6-tetra-O-methyl

17.688

 3,4,6-Tri-O-methyl-d-glucose

18.1280

 α-Methyl 4-methylmannoside

21.355

 2,4,5,6,7-Pentamethoxyheptanoic acid, methyl ester

20.206

 β-d-Glucopyranose, 1,6-anhydro

28.814

 1,2,3,4-Tetramethylmannose

28.631

 α-d-Mannopyranoside, methyl 2,3,4,6-tetra-O-methyl

37.425

 α-d-Glucopyranoside, phenyl 2,3,4,6-tetra-O-methyl

Fatty acids as methyl ester

26.320

 Tridecanoic acid, 12-methyl-, methyl ester

26.323

 Methyl tetradecanoate

27.419

 2-Hexadecenoic acid, methyl ester, (E)

27.901

 Tridecanoic acid, 12-methyl-, methyl ester

30.133

 Methyl hexadec-9-enoate

30.181

 9-Octadecenoic acid (Z)-, methyl ester

30.625

 Hexadecanoic acid, methyl ester

30.327

 6-Octadecenoic acid, methyl ester

34.053

 9-Octadecenoic acid, methyl ester, (E)

34.164

 8-Octadecenoic acid, methyl ester, (E)

34.548

 Octadecanoic acid, methyl ester

38.161

 Eicosanoic acid, methyl ester

Organic acids

26.507

 Benzoic acid, 4,5-dimethoxy-2-(4-methoxybenzenesulfonylamino)-

40.052

 Succinic acid, di(5-methoxy-3-methylpent-2-yl) ester

43.743

 Cyclopropanecarboxylic acid, 2,2-dimethyl-3-(2-methyl-1-propenyl)-, 2-methyl-4-oxo-3-(2-propenyl)-2-cyclopenten-1-yl ester

Aromatics and phenol derivatives

15.817

 2-Methoxy-4-vinylphenol

19.337

 Phenol, 4,6-di(1,1-dimethylethyl)-2-methyl

24.653

 Isoelemicin

37.592

 Benzene, (1-methyldodecyl)

41.779

 1,2-Benzenedicarboxylic acid, diisooctyl ester

41.784

 1,2-Benzenedicarboxylic acid, mono(2-ethylhexyl) ester

21.512

 Phenol, 2,6-dimethoxy-4-(2-propenyl)

35.007

 Phenol, 5-methoxy-2,3,4-trimethyl

37.803

 Benzene, (1-methylnonadecyl)

22.015

 Benzoic acid, 4-hydroxy-3,5-dimethoxy

22.016

 1,2,3,4-Tetramethoxybenzene

23.399

 Benzoic acid, 3,4-dimethoxy-, methyl ester

25.152

 2-Propenoic acid, 3-(4-methoxyphenyl)-, methyl ester

26.277

 Benzenepropanoic acid, 3,4-dimethoxy-, methyl ester

26.328

 Benzoic acid, 3,4,5-trimethoxy-, methyl ester

29.738

 2-Propenoic acid, 3-(3,4-dimethoxyphenyl)-, methyl ester

36.154

 2-Propenoic acid, 2-methyl-, dodecyl ester

Terpenoids and steroids

43.074

 17β-Hydroxy-6α-pentyl-4-oxa-5β-androstan-3-one

43.412

 Dihydroxyisosteviol

42.582

 Dihydro-isosteviol methyl ester

43.332

 Methyl dihydroisosteviol

43.665

 Isosteviol methyl ester

39.849

 5-Cholene, 3,24-dihydroxy-

43.430

 Patchoulene

45.538

 Androstan-17-one, 3-ethyl-3-hydroxy-, (5α)

42.354

 5α,6α-Epoxy-17-oxo-6β-pentyl-4-nor-3,5-secoandrostan-3-oicacid, methyl ester

43.091

 5β-Pregnan-17α,21-diol-3,20-dione

43.434

 Pregnan-20-one, (5α,17α)

Alcohols

3.974

 Ethanol, 2-(2-methoxyethoxy)

6.715

 1-Hexanol, 2-ethyl

12.925

 Ethanol, 2-phenoxy

42.010

 9-t-Butyltricyclo[4.2.1.1(2,5)]decane-9,10-diol

Unidentified

30.542

31.625

31.825

32.184

35.248

38.362

39.253

40.033

40.230

40.833

40.964

41.908

42.157

43.746

44.305

44.532

45.275

46.026

46.277

46.606