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Table 1 Holocellulose and lignin pyrolysis products sorted into categories

From: Oak wood degradation processes induced by the burial environment in the archaeological site of Biskupin (Poland)

CategoryHolocellulose pyrolysis productsCategoryLignin pyrolysis products
Furans2-Hydroxymethylfuran
3-Hydroxymethylfuran
2-Furancarboxylic acid
2,3-Dihydrofuran-2,3-diol
2-Furyl-hydroxymethylketone
5-Hydroxymethyl-2-furaldehyde
MonomersZ- and E-coniferyl alcohols
Z-and E-sinapyl alcohols
Pyranones3-Hydroxy-(2H)-pyran-2-one
3-Hydroxy-(4H)-pyran-4-one
5-Hydroxy-2H-pyran-4(3H)-one
3-Hydroxy-6-methyl-(2H)-pyran-2-one
2-Methyl-3-hydroxy-(4H)-pyran-4-one
2-Hydroxymethyl-2,3-dihydropyran-4-one
3,5-Dihydroxy-2-methyl-(4H)-pyran-4-one (2TMS)
2-Hydroxymethyl-5-hydroxy-2,3-dihydro-(4H)-pyran-4-one
2,3,5-Trihydroxy-4H-pyran-4-one
Altered side chainGuaiacol
4-Methylguaiacol
4-Ethylguaiacol
Syringol
4-Vinylguaiacol
4-Methylsyringol
4-Ethylsyringol
4-Vinylsyringol
Z-, E- and iso-eugenol
Z-and E-4-isopropenylsyringol
Vanillylpropanol
Syringylpropanol
Hydroxybenzenes1,2,3-Trihydroxybenzene
1,2,4-Trihydroxybenzene
OxidisedVanillin
Acetovanillone
Syringaldehyde
Acetosyringone
Coniferylaldehyde
Sinapylaldehyde
4-Hydroxy benzoic acid
Vanillic acid
Syringic acid
3,4-Dihydroxy-5-methoxy benzoic acid
Cyclopentenones1-Hydroxy-1-cyclopenten-3-one
2-Hydroxy-1-cyclopenten-3-one
Z-and E- 2,3-dihydroxy-cyclopent-2-enone
2-Hydroxymethyl-3-methy-2-cyclopentenone
1-Hydroxy-2-methyl-1-cyclopenten-3-one
1-Methy-2-hydroxy-1-cyclopenten-3-one
2-Methyl-3-hydroxymethyl-2-cyclopentenone
Z- and E- 2,3-dihydroxy-cyclopent-2-enone
3-Hydroxy-2-hydroxymethyl-2-cyclopentenone
3-Hydroxy-2-(hydroxymethyl) cyclopenta-2,4-dienone
Demethylated/demethoxylated4-Methylcatechol
4-Ethylcatechol
3-Methoxy-1,2-benzenediol
5-Methyl-3-methoxy-1,2-benzenediol
5-Vinyl-3-methoxy-1,2-benzenediol
5-Propyl-3-methoxy-1,2-benzenediol
Coumaryl alcohol (2 TMS)
Trihydroxy cinnamic alcohol (3TMS)
3,4-Dihydroxy cinnamyl alcohol (3TMS)
Z-2-methoxy-3,4-dihydroxy cinnamic alcohol (3TMS)
E-2-Methoxy-3,4-dihydroxy cinnamic alcohol (3TMS)
Anhydrosugars1,4:3,6-dianhydro-α-d-glucopyranose
1,4-anydro-d-galactopyranose
1,6-anydro-d-galactopyranose
1,4-anydro-d-galactopyranose
1,6-anydro-beta-d-glucopyranose
1,4-anhydro-d-glucopyranose
1,6-anydro-beta-d-glucofuranose