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Table 1 Compostion of corn stover and washed solids from its pretreatment by dilute acid and AFEX technologies.

From: Supplementation with xylanase and β-xylosidase to reduce xylo-oligomer and xylan inhibition of enzymatic hydrolysis of cellulose and pretreated corn stover

   Yield, %1
Substrates Pretreatment conditions Glucan Xylan Lignin
Untreated corn stover NA2 39.1 ± 0.4 23.7 ± 0.3 19.3 ± 0.5
Dilute acid-pretreated 140°C, 1% sulfuric acid, 40 minutes 57.6 ± 0.2 5.7 ± 0.7 22.1 ± 0.4
AFEX3-pretreated 90°C, 220 psi, 1:1 NH3 to Biomass, 5 minutes 39.6 ± 0.5 24.5 ± 0.4 18.2 ± 0.9
  1. 1Data are mean ± SD.
  2. 2Not applicable.
  3. 3Ammonia fiber expansion.
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