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Comparison of the enzymatic digestibility of physically and chemically pretreated selected line of diploid-Miscanthus sinensis Shiozuka and triploid-M. x giganteus

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Title: Comparison of the enzymatic digestibility of physically and chemically pretreated selected line of diploid-Miscanthus sinensis Shiozuka and triploid-M. x giganteus
Authors: Hideno, Akihiro Browse this author
Kawashima, Ayato Browse this author
Anzoua, Kossonou Guillaume Browse this author
Yamada, Toshihiko Browse this author →KAKEN DB
Keywords: Miscanthus
Ball milling
Alkaline-peroxide treatment
Enzymatic hydrolysis
Self-prepared cellulase
Issue Date: Oct-2013
Publisher: Elsevier
Journal Title: Bioresource Technology
Volume: 146
Start Page: 393
End Page: 399
Publisher DOI: 10.1016/j.biortech.2013.07.084
PMID: 23954245
Abstract: The diploid Miscanthus sinensis "Shiozuka" which was selected as a high-biomass producing line, and the triploid M. x giganteus (M x G) were treated by ball milling (physical treatment) and alkaline hydrogen peroxide treatment (AHP; chemical treatment), and their structural sugar compositions and enzymatic digestibility were compared. The structural sugar content of Shiozuka was moderate and lower than that of M x G. The Klason lignin content of Shiozuka was also lower than that of M x G. However, Shiozuka was sensitive to ball milling and AHP treatment; ball milled and AHP-treated Shiozuka had higher enzymatic digestibility than ball milled and AHP-treated M x G. Shiozuka would be promising feedstock to obtain fermentable sugars with low energy consumption. Finally, enzymes for the hydrolysis of chemically treated Miscanthus were isolated from Trichoderma reesei ATCC 66589 and Penicillium pinophilum. The sugar yield could be increased by enzymatic hydrolysis of AHP-treated samples with NaOH and H2O2 and the isolated enzymes. (c) 2013 Elsevier Ltd. All rights reserved.
Type: article (author version)
URI: http://hdl.handle.net/2115/53643
Appears in Collections:北方生物圏フィールド科学センター (Field Science Center for Northern Biosphere) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 山田 敏彦

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