Applied Biochemistry and Biotechnology

, Volume 129, Issue 1–3, pp 104–116 | Cite as

Corn stover fractions and bioenergy

Chemical composition, structure, and response to enzyme pretreatment
  • Danny E. AkinEmail author
  • W. Herbert MorrisonIII
  • Luanne L. Rigsby
  • Franklin E. BartonII
  • David S. Himmelsbach
  • Kevin B. Hicks
Session 1A Feedstock Supply and Logistics


Information is presented on structure, composition, and response to enzymes of corn stover related to barriers for bioconversion to ethanol. Aromatic compounds occurred in most tissue cell walls. Ferulic acid esterase treatment before cellulase treatment significantly improved dry weight loss and release of phenolic acids and sugars in most fractions over cellulase alone. Leaf fractions were considerably higher in dry weight loss and released sugars with esterase treatment, but stem pith cells gave up the most phenolic acids. Results help identify plant fractions more appropriate for coproducts and bioconversion and those more suitable as residues for soil erosion control.

Index Entries

Zea mays L. lignin phenolic acids esterase cellulase 


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Copyright information

© Humana Press Inc. 2006

Authors and Affiliations

  • Danny E. Akin
    • 1
    Email author
  • W. Herbert MorrisonIII
    • 1
  • Luanne L. Rigsby
    • 1
  • Franklin E. BartonII
    • 1
  • David S. Himmelsbach
    • 1
  • Kevin B. Hicks
    • 2
  1. 1.Russell Research CenterUSDA-ARSAthens
  2. 2.Eastern Regional Research CenterUSDA-ARSWyndmoor

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