Supplemental Table 2. Peach pit pyrolysates from biomass and extracted lignin. Bold species are those that occur in highest abundance and standard deviations for pyrolysates from multiple lignin extractions and multiple analysis of biomass are provided for the most abundant species.
Compound Number / Retention Time / Compound / Whole Biomass Area % / Formic Acid Lignin Area % / Sulfuric Acid Lignin Area %6.50 / 2,3 butanedione / 0.36 / 0.20 / 0.29
7.12 / benzene / 0.00 / 0.00 / 0.07
1 / 8.63 / acetic acid / 1.87 (+/- 0.66) / 0.92 / 0.14
9.84 / 1-hydroxy-2-propanone / 1.12 / 0.16 / 0.00
10.12 / toluene / 0.39 / 0.15 / 0.49
13.40 / 5-Hydroxymethyl-2[5H]-furanone / 0.17 / 0.00 / 0.00
13.43 / xylene / 0.00 / 0.08 / 0.29
13.44 / acetic acid ethenyl ester / 1.90 (+/- 0.06) / 0.00 / 0.00
14.80 / Propanoic acid, 2-oxo-, methyl ester / 0.84 / 0.00 / 0.00
14.90 / styrene / 0.00 / 0.00 / 0.31
2 / 15.50 / furfural / 1.89 (+/- 0.21) / 1.35 / 1.20
17.10 / 5-methyl-2-3h-furanone / 0.15 / 0.00 / 0.00
17.67 / 2-methyl-2-cyclopenten-1-one / 0.00 / 0.00 / 0.17
14.20 / 2-furanmethanol / 0.10 / 0.00 / 0.00
18.70 / 2-cyclopentene-1,4-dione / 0.19 / 0.07 / 0.00
19.80 / 1,2-cyclopentanedione / 1.18 / 0.09 / 0.00
20.80 / 5-methyl-2-furancarboxaldehyde / 0.21 / 0.01 / 0.32
20.87 / 3-methyl-2-cyclopenten-1-one / 0.03 / 0.00 / 0.02
21.70 / 2(5H)-furanone / 0.66 / 0.04 / 0.00
3 / 22.80 / 4-hydroxy-5,6-dihydro-2H-pyran-2-one / 4.23 (+/- 0.34) / 1.41 / 0.00
23.65 / 2-hydroxy-3-methyl-2-cyclopenten-1-one / 2.16 (+/- 0.27) / 0.00 / 0.12
4 / 24.71 / phenol / 0.74 / 0.77 / 2.00 (+/- 0.60)
5 / 25.35 / 2-methoxyphenol / 3.08 (+/- 0.38) / 3.70 (+/- 0.05) / 7.50 (+/- 1.81)
26.46 / 2-methylphenol / 0.49 / 0.59 / 2.67 (+/- 1.03)
27.72 / 4-methylphenol / 1.20 / 0.67 / 1.52 (+/- 0.36)
27.80 / 3-methylphenol / 0.62 / 0.36 / 0.90
27.90 / 2-methoxy-3-methylphenol / 0.23 / 0.23 / 1.74 (+/- 0.65)
28.20 / 5-Hydroxymethyldihydrofuran-2-one / 1.28 / 0.00 / 0.00
6 / 29.01 / 2-methoxy-4-methylphenol / 4.89 (+/- 0.85) / 5.63 (+/- 0.86) / 10.09 (+/- 1.54)
29.37 / 2,4-dimethylphenol / 0.87 / 0.90 / 3.63 (+/- 1.24)
29.80 / 3,4-dimethoxytoluene / 0.00 / 0.11 / 0.11
30.05 / 2,3,5-trimethylphenol / 0.00 / 0.17 / 0.59
30.78 / 4-ethylphenol / 0.27 / 0.19 / 0.65
30.80 / 3,5-dimethylphenol / 0.39 / 0.00 / 0.99
32.20 / 3-methyl-2,4(3H,5H)-Furandione / 1.61 (+/- 0.16) / 0.00 / 0.00
32.31 / 4-ethyl-2-methoxyphenol / 1.67 (+/- 0.04) / 1.32 / 3.36 (+/- 0.87)
33.06 / 1,4:3,6-dianhydro-.alpha.-d-glucopyranose / 0.16 / 0.00 / 0.00
33.67 / 4-vinylphenol / 0.67 / 0.50 / 0.00
7 / 33.76 / 2-methoxy-4-vinylphenol / 10.35 (+/- 1.71) / 4.67 (+/- 1.08) / 3.23 (+/- 1.23)
34.55 / eugenol / 2.77 (+/- 0.26) / 2.01 (+/- 0.63) / 0.33
34.70 / 2-methoxy-4-propylphenol / 0.80 / 1.06 / 0.46
35.39 / 1,2-Benzenediol / 0.00 / 0.64 / 0.00
8 / 35.48 / 2,6-dimethoxyphenol / 2.51 (+/- 0.61) / 4.71 (+/- 0.84) / 3.60 (+/- 0.91)
36.31 / 2-methoxy-4-(1-propenyl)phenol (Z) / 2.12 (+/- 0.04) / 2.21 (+/- 0.33) / 0.77
37.63 / 4-(2-propenyl)phenol / 0.35 / 0.77 / 0.00
9 / 37.90 / 2-methoxy-4-(1-propenyl)phenol (E) / 9.21 (+/- 1.97) / 7.38 (+/- 0.97) / 2.71 (+/- 1.40)
10 / 38.30 / 4-methylsyringol / 2.96 (+/- 0.76) / 6.11 (+/- 1.35) / 2.69 (+/- 1.19)
11 / 38.65 / vanillin / 2.89 (+/- 1.80) / 6.55 (+/-2.23) / 2.82 (+/- 2.04)
40.48 / 4-ethylsyringol / 0.45 / 1.15 / 0.57
41.05 / 4-Hydroxy-3-methoxyacetophenone / 0.00 / 1.56 (+/- 0.95) / 1.08
12 / 42.15 / 4-vinylsyringol / 0.60 / 1.70 (+/- 0.94) / 0.43
42.56 / 1-(4-Hydroxy-3-methoxyphenyl)acetone / 0.22 / 2.17 (+/- 1.37) / 0.41
42.68 / 2,6-dimethoxy-4-(2-propenyl)phenol / 0.30 / 1.60 (+/- 0.92) / 0.17
44.10 / 2,6-dimethoxy-4-(1-propenyl)phenol (Z) / 0.00 / 0.73 / 0.08
45.71 / 2,6-dimethoxy-4-(1-propenyl)phenol (E) / 0.16 / 1.03 / 0.00
47.03 / 4-hydroxy-3,5-dimethoxybenzaldehyde / 0.22 / 0.28 / 0.00
48.81 / 3,5-Dimethoxy-4-hydroxyacetophenone / 0.09 / 0.12 / 0.00
49.79 / 3-(4-hydroxy-3-methoxyphenyl)-2-propenal / 0.43 / 0.00 / 0.00
49.4 / Sinapyl alcohol / 0.28 / 0.00 / 0.00
Sum identified compounds / 72.30 (+/- 2.94) / 66.07 (+/- 2.52) / 58.69 (+/- 2.89)
Sum lignin-based pyrolysates / 52.19 (+/- 3.93) / 61.82 (+/- 6.03) / 56.43(+/- 2.25)
Sum sinapyl-based pyrolysates / 7.54 (+/- 1.43) / 17.43 (+/- 5.08) / 7.54 (+/- 2.57)
Sum coniferyl-based pyrolysates / 38.43 (+/- 3.77) / 38.26 (+/- 1.87) / 32.93 (+/- 1.01)
Sum area % S/G / 0.20 (+/- 0.05) / 0.46 (+/- 0.12) / 0.23 (+/- 0.07)