| Two-stage acid saccharification of fractionated Gelidium amansii minimizing the sugar decomposition. | |
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MedLine Citation:
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PMID: 21963246 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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Two-stage acid hydrolysis was conducted on easy reacting cellulose and resistant reacting cellulose of fractionated Gelidium amansii (f-GA). Acid hydrolysis of f-GA was performed at between 170 and 200°C for a period of 0-5min, and an acid concentration of 2-5% (w/v, H(2)SO(4)) to determine the optimal conditions for acid hydrolysis. In the first stage of the acid hydrolysis, an optimum glucose yield of 33.7% was obtained at a reaction temperature of 190°C, an acid concentration of 3.0%, and a reaction time of 3min. In the second stage, a glucose yield of 34.2%, on the basis the amount of residual cellulose from the f-GA, was obtained at a temperature of 190°C, a sulfuric acid concentration of 4.0%, and a reaction time 3.7min. Finally, 68.58% of the cellulose derived from f-GA was converted into glucose through two-stage acid saccharification under aforementioned conditions. |
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Authors:
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Tae Su Jeong; Young Soo Kim; Kyeong Keun Oh |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2011-9-10 |
Journal Detail:
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Title: Bioresource technology Volume: - ISSN: 1873-2976 ISO Abbreviation: - Publication Date: 2011 Sep |
Date Detail:
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Created Date: 2011-10-3 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 © 2011 Elsevier Ltd. All rights reserved. |
Affiliation:
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Department of Applied Chemical Engineering, Dankook University, Cheonan, Chungnam 330-714, Republic of Korea. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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