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Table 1 Aromatic lignin unit content of biomass determined by thioacidolysis (average of n = 2 samples, not all samples were analyzed by thioacidolysis and are denoted N/A)

From: Comparison of methodologies used to determine aromatic lignin unit ratios in lignocellulosic biomass

Biomass ID

H µmol/g biomass

S µmol/g biomass

G µmol/g biomass

S/G

Sum µmol/g biomass

Sum µmol/g lignin content*

NIST 8493 Pine

6.7

0.0

205.7

0.0

217.7

818.4

FCIC Corn Stover

4.8

47.5

37.9

1.3

97.2

709.5

BESC-004 Poplar

5.5

218.5

105.6

2.1

329.6

1277.5

BESC-021 Poplar

5.5

111.3

87.5

1.3

204.3

908.0

BESC-036 Poplar

5.4

207.3

69.4

3.0

282.0

1155.7

BESC-075 Poplar

4.5

78.1

22.3

3.5

104.9

476.8

BESC-095 Poplar

N/A

N/A

N/A

N/A

N/A

N/A

BESC-096 Poplar

N/A

N/A

N/A

N/A

N/A

N/A

BESC-140 Poplar

5.0

156.3

40.7

4.0

202.0

834.7

BESC-169 Poplar

5.1

144.8

85.5

1.7

235.3

1089.4

BESC-173 Poplar

N/A

N/A

N/A

N/A

N/A

N/A

BESC-182 Poplar

5.1

185.3

78.1

2.4

268.5

1214.9

BESC-217 Poplar

5.1

147.0

57.3

2.6

209.4

887.3

BESC-219 Poplar

N/A

N/A

N/A

N/A

N/A

N/A

BESC-255 Poplar

N/A

N/A

N/A

N/A

N/A

N/A

BESC-282 Poplar

5.0

119.5

87.1

1.4

211.5

1026.7

BESC-322 Poplar

N/A

N/A

N/A

N/A

N/A

N/A

BESC-334 Poplar

5.0

198.1

68.4

2.9

271.6

N/A

BESC-388 Poplar

4.8

132.2

104.7

1.3

241.8

1129.9

BESC-841 Poplar

5.1

231.4

68.3

3.4

304.8

1354.7

BESC-853 Poplar

N/A

N/A

N/A

N/A

N/A

N/A

BESC-863 Poplar

4.8

138.6

62.9

2.2

206.3

916.9

BESC-883 Poplar

4.8

189.1

60.4

3.1

254.3

1077.5

  1. *Lignin content estimate based on py-MBMS analysis