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Table 1 Compositions of dry grass and grass silage before HTT

From: Ensiling and hydrothermal pretreatment of grass: consequences for enzymatic biomass conversion and total monosaccharide yields

Biomass Grass Grass silage
  (w/w)% of DM (w/w)% of DM
Glucan 25.2 ± 0.9 24.2 ± 0.3
Xylan 14.1 ± 0.5 14.5 ± 0.2
Arabinan 2.1 ± 0.1 2.4 ± 0.1
Klason lignin 9.3 ± 0.1 9.3 ± 0.1
Ash 8.0 ± 0.5 5.3 ± 0.0
Ethanol Extractives 11.9 ± 0.1 10.5 ± 0.4
H2O Extractives 21.1 ± 1.1 25.0 ± 1.5
Residual 8.2 8.9
  1. Numbers are presented as weight percentages of biomass DM, followed by standard deviations (in parenthesis). There were no significant differences row-wise (p >0.05) for any of the values for grass and silage. DM, dry matter; HTT, hydrothermal treatment.