| Pretreatment of Agave americana stalk for enzymatic saccharification. | |
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MedLine Citation:
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PMID: 23122484 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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Agave americana is one of commonly grown agave species but currently less valuable because its large flower stalk cannot be used for producing alcoholic beverage. In the present study, the stalk was pretreated with dilute acid (DA), sulfite (SPORL), and sodium hydroxide (NaOH) to preliminarily assess its potential as feedstock for bioethanol production. The changes of cell wall components during the pretreatments, enzymatic digestibility of the pretreated stalks, and the adsorption of cellulases on the substrates were investigated. Results indicated that the pretreatments significantly improved the enzymatic digestibility of the agave stalk. SPORL pretreatment gave higher substrate and sugar yields, while NaOH pretreated stalk had better digestibility under the investigated conditions. The better hydrolysability of NaOH-pretreated stalk was attributed to low lignin and hemicellulose content and high affinity to cellulases. |
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Authors:
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Qiang Yang; Xuejun Pan |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2012-10-17 |
Journal Detail:
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Title: Bioresource technology Volume: - ISSN: 1873-2976 ISO Abbreviation: Bioresour. Technol. Publication Date: 2012 Oct |
Date Detail:
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Created Date: 2012-11-5 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 9889523 Medline TA: Bioresour Technol Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Copyright Information:
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Copyright © 2012 Elsevier Ltd. All rights reserved. |
Affiliation:
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Department of Biological Systems Engineering, University of Wisconsin-Madison, 460 Henry Mall, Madison, WI 53706, USA. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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