Corn stover fractions and bioenergy |
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Authors: | Danny E Akin W Herbert Morrison III Luanne L Rigsby Franklin E Barton II David S Himmelsbach Kevin B Hicks |
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Institution: | (1) Russell Research Center, USDA-ARS, PO Box 5677, 30604 Athens, GA;(2) Eastern Regional Research Center, USDA-ARS, 600 E. Mermaid Lane, 19038 Wyndmoor, PA |
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Abstract: | 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. |
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Keywords: | Zea mays L lignin phenolic acids esterase cellulase |
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