Table 4

Measured VOC metabolites

Parent compoundVOC metaboliteCommon abbreviation
AcetaldehydeAcetic acid/acetateACETATE
AcroleinN-Acetyl-S-(2-carboxyethyl)-L-cysteineCEMA
N-Acetyl-S-(3-hydroxypropyl)-L-cysteine3HPMA
AcrylamideN-Acetyl-S-(2-carbamoylethyl)-L-cysteineAAMA
N-Acetyl-S-(2-carbamoyl-2-hydroxyethyl)-L-cysteineGAMA
AcrylonitrileN-Acetyl-S-(2-cyanoethyl)-L-cysteineCYMA
Acrylonitrile, vinyl chloride, ethylene oxideN-Acetyl-S-(2-hydroxyethyl)-L-cysteineHEMA
AnabasineAnabasine (free)ANB
AnatabineAnatabine (free)ANTB
BenzeneN-Acetyl-S-(phenyl)-L-cysteinePMA
trans, trans-Muconic acidMU
1-BromopropaneN-Acetyl-S-(n-propyl)-L-cysteineBPMA
1,3-ButadieneN-Acetyl-S-(3,4-dihydroxybutyl)-L-cysteineDHBMA
N-Acetyl-S-(1-hydroxymethyl-2-propenyl)-L-cysteineMHBMA1
N-Acetyl-S-(2-hydroxy-3-butenyl)-L-cysteineMHBMA2
N-Acetyl-S-(4-hydroxy-2-buten-1-yl)-L-cysteineMHBMA3
Carbon-disulfide2-Thioxothiazolidine-4-carboxylic acidTTCA
CrotonaldehydeN-Acetyl-S-(3-hydroxypropyl-1-methyl)-L-cysteineHPMMA
Cyanide2-Aminothiazoline-4-carboxylic acidATCA
N,N-DimethylformamideN-Acetyl-S-(N-methylcarbamoyl)-L-cysteineAMCC
Ethylbenzene, styrenePhenylglyoxylic acidPGA
FormaldehydeFormateFORMATE
NicotineNicotineNIC
CotinineCOT
3-Hydroxycotinine3HC
Propylene oxideN-Acetyl-S-(2-hydroxypropyl)-L-cysteine2HPMA
StyreneN-Acetyl-S-(1-phenyl-2-hydroxyethyl)-L-cysteine +PHEMA
N-Acetyl-S-(2-phenyl-2-hydroxyethyl)-L-cysteine
Mandelic acidMA
TetrachloroethyleneN-Acetyl-S-(trichlorovinyl)-L-cysteineTCVMA
TolueneN-Acetyl-S-(benzyl)-L-cysteineBMA
TrichloroethyleneN-Acetyl-S-(1,2-dichlorovinyl)-L-cysteine1,2DCVMA
N-Acetyl-S-(2,2-dichlorovinyl)-L-cysteine2,2DCVMA
XyleneN-Acetyl-S-(2,4-dimethylphenyl)-L-cysteine +
N-Acetyl-S-(2,5-dimethylphenyl)-L-cysteine +
N-Acetyl-S-(3,4-dimethylphenyl)-L-cysteine		DPMA
2-Methylhippuric acid2MHA
3-Methylhippuric acid +4-Methylhippuric acid3MHA+4MHA

  • VOC, volatile organic compound.