Table 1

Compositional analysis of pine subjected to sulfur dioxide steam explosiona

Sample

Glucan

Xylan

Mannan

ASLb

AILc

Sum


Untreated Pine d

42.9

6.0

12.9

0.5

33.2

99.1d

3.3% SO2 213°Ce

53.0

1.2

0.4

0.4

44.0

99.0


aShown as percentage of each component on a dry weight basis

bAcid-soluble lignin.

cAcid-insoluble lignin.

dBefore pretreatment, the pine wood also contained 2.5%galactan and 1.1% arabinan, which were not detected pine-wood sample after pretreatment. Sum includes the galactan and arabinan fractions.

eReaction time of 5 minutes in SO2; percentage and temperature indicated.

Hawkins and Doran-Peterson Biotechnology for Biofuels 2011 4:49   doi:10.1186/1754-6834-4-49

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