Table 4. Dominant compounds of cajuput seedling root extract by Py-GC/MS with all four solvents

Chemical compounds Group of compound Relatif concentration (%)
n-Hexane Ethyl acetate Methanol Water
Acetic acid Organic acid 1.29 0.56 2.62 4.76
9-Octadecenoic acid (Z)-, methyl ester Lipid 21.22 1.02 0.62 -
9-Octadecenoic acid, 1,2,3-propanetriyle Lipid 16.65 - - -
1-Heptacosanol Alcohol 1.18 2.46 0.57 -
Stigmasta-3,5-diene Terpene 6.77 - - -
Hexadecanoic acid, methyl ester Lipid 8.86 0.74 0.91 -
l-(+)-Ascorbic acid 2,6-dihexadecanoate Lipid 6.18 0.86 - -
Methyl stearate Steroid 4.71 0.33 0.26 -
1-Hexacosanol Alcohol 2.71 0.78 - -
cis-13-Eicosenoic acid, methyl ester Lipid 1.80 - - -
Tetracosanoic acid, methyl ester Lipid 1.63 - - -
.gamma.-Sitosterol Steroid - 14.39 2.50 -
Stigmast-4-en-3-one Steroid - 8.61 - -
Nonadecyl pentafluoropropionate Organohalogen - 6.53 - -
24-Norursa-3,12-diene Steroid - 4.98 - -
2,4-Hexadiene Alkena - 1.23 - -
n-Tetracosanol-1 Alcohol - - 0.19 -
Behenic alcohol Alcohol - 1.11 - -
5-Hydroxymethylfurfural Furan - - 6.63 -
2-Methoxy-4-vinylphenol Alcohol - 0.25 0.62 0.21
.beta.-D-Glucopyranose, 1,6-anhydro- Monosaccarida - - 4.50 -
Furan, 2-methyl Furan - - 3.29 -
Methane, iodo Organohalogen - - 3.19 -
Eugenol Fenol - 0.20 0.73 -
n-Hexadecanoic acid Lipid - 0.86 3.29 1.01
2-Propanone,1-hydroxy- Ceton - - 0.75 1.74
Piperine Alkaloid - - - 8.43
2-Hexanone, 4-hydroxy-5-methyl-3-prop Ceton - - - 7.78
1,2-Ethanediol Alcohol - - - 3.88
Py-GC/MS: pyrolysis-gas chromatography mass spectrometry.