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Title: Miscanthus x giganteus Bark Organosolv Fractionation: Fate of Lipophilic Components and Formation of Valuable Phenolic Byproducts
Author: Villaverde, Juan José
de Vega, Alberto
Ligero, Pablo
Freire, Carmen S. R.
Neto, Carlos Pascoal
Silvestre, Armando J. D.
Keywords: Miscanthus x giganteus
Organosolv fractionation
Lipophilic extractives
GC-MS analysis
Issue Date: 2010
Publisher: American Chemical Society
Abstract: The behavior of Miscanthus x giganteus bark lipophilic extractives during three acid organosolv pulping processes (Acetosolv, formic acid fractionation, and Milox) was investigated. It was demonstrated that nearly 90% of the lipophilic extractives were removed from pulps by either dissolution in the organosolv liquors (fatty acids and alcohols) or extensive degradation (sterols). The organosolv liquors were found to be rich in vanillin, syringaldehyde, and ferulic, vanillic, and p-coumaric acids. The Acetosolv fractionation process was found to be the most efficient in the removal of lipophilic components from pulps, and it was also the process that generated higher amounts of valuable monomeric phenolic compounds that could be exploited within the biorefinery context.
Peer review: yes
DOI: 10.1021/jf101174x
ISSN: 0021-8561
Appears in Collections:DQ - Artigos

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J. Agric. Food Chem. 2010, 58, 8279–8285.pdf849 kBAdobe PDFrestrictedAccess

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