| The behavior of kinetic parameters in production of pectinase and xylanase by solid-state fermentation. | |
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MedLine Citation:
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PMID: 21945204 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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Solid-state fermentation (SSF) is defined as the growth of microbes without a free-flowing aqueous phase. The feasibility of using a citrus peel for producing pectinase and xylanase via the SSF process by Aspergillus niger F3 was evaluated in a 2kg bioreactor. Different aeration conditions were tested to optimize the pectinase and xylanase production. The best air flow intensity was 1VkgM (volumetric air flow per kilogram of medium), which allowed a sufficient amount of O(2) for the microorganism growth producing 265U/g and 65U/g pectinases and xylanases, respectively. A mathematical model was applied to determine the different kinetic parameters related to SSF. The specific growth rate and biomass oxygen yield decreased during fermentation, whereas an increase in the maintenance coefficient for the different employed carbon sources was concurrently observed. |
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Authors:
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D E Rodríguez-Fernández; J A Rodríguez-León; J C de Carvalho; W Sturm; C R Soccol |
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Publication Detail:
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Type: - Date: 2011-9-8 |
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: 2011-9-27 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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Biotechnology and Bioengineering Division, Federal University of Paraná (UFPR), CEP 81.531-970 Curitiba, PR, Brazil. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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