Table 3. Chemical compounds from GC–MS analysis of ethanol–toluene extractives of four wood species

Wood species Chemical compound Percentage
Mango 2,2-Dimethyl-3-hydroxypropionaldehyde 7.106
Benzoic acid, 2,5-bis(trimethylsiloxy)-, trimethylsilyl ester 7.576
1,2-Benzenediol, 3,5-bis(1,1-dimethylethyl)- 7.316
Cinnamic acid, 3,4-dimethoxy-, trimethylsilyl ester 7.366
2,5-Dimethylbenzophenone 7.826
Benzoic acid, 3-methoxy-4-[(trimethylsilyl)oxy]-, trimethylsilyl ester 7.396
Benzoic acid, 3,4-bis[(trimethylsilyl)oxy]-, trimethylsilyl ester 8.496
2,5-di-tert-Butyl-1,4-benzoquinone 8.386
Octamethylcyclotetrasiloxane 7.666
4H-1-Benzopyran-4-one, 2-(3,4-dimethoxyphenyl)-3,7-dimethoxy- 8.296
Hexamethylcyclotrisiloxane 8.126
9,10-Dihydrophenanthren-2-butyric acid 7.126
(1α,2β,4β)-1,2,4-Trimethylcyclohexane 10.688
2-Methyloctane 10.628
3-Methyloctane 8.358
1,3-Dimethylbenzene 16.738
Nonane 14.268
3-Cyclohexyldodecane 7.628
Benzaldehyde 15.868
1-Chlorotetradecane 6.258
Benzyl alcohol 9.578
Mahogany 3-Methylcholanthrene 16.33
Benzoic acid, 4-[(trimethylsilyl)oxy]-, trimethylsilyl ester 16.63
Octamethylcyclotetrasiloxane 22.67
2(R),3(S)-1,2,3,4-Butanetetrol 26.45
Hydrocinnamic acid, p-(trimethylsiloxy)-, trimethylsilyl ester 17.92
1-Decene 3.86
o-Xylene 27.11
p-Xylene 65.15
Benzoic acid, 3-methoxy-4-[(trimethylsilyl)oxy]-, trimethylsilyl ester 0.67
Silanol, trimethyl-, 2-aminobenzoate 0.71
1,3-Diphenyl-2-propen-1-one 0.4
Octamethylcyclotetrasiloxane 0.54
Pregna-5,16-dien-20-one, 3-(acetyloxy)-, (3β)- 0.35
Octamethylcyclotetrasiloxane 0.81
1,4-Benzenediol, 2,5-bis(1,1-dimethylethyl)- 0.4
Black rosewood 1-(2-Methylpropoxy)-2-propanol 10.06
2,6-Dimethoxyphenyl-β-phenylpropionate 89.94
Jackfruit 1,6-Heptadiyne 1.04
o-Xylene 26.5
p-Xylene 64.9
Ethylbenzene 1.02
ψ-Cumene 1.85
Silicic acid, diethyl bis(trimethylsilyl) ester 0.84
Benzoic acid, 4-methyl-2-trimethylsilyloxy-, trimethylsilyl ester 0.99
1,1,3,3,5,5,7,7,9,9-Decamethylpentasiloxane 1.09
Octamethylcyclotetrasiloxane 0.85
Hexestrol, di-TMS 0.90
Benzoic acid, m-(trimethylsiloxy)-, methyl ester 19.89
Silicic acid, diethyl bis(trimethylsilyl) ester 20.33
1-Pentene, 1,3-diphenyl-1-(trimethylsilyloxy)- 19.16
Hexestrol, di-TMS 18.08
Silicic acid, diethyl bis(trimethylsilyl) ester 22.53
GC–MS: gas chromatography–mass spectrometry.