| On-line dialysis of organic acids from a Propionibacterium freudenreichii fermentation: evaluation of a new pH control strategy. | |
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MedLine Citation:
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PMID: 15304729 Owner: NLM Status: PubMed-not-MEDLINE |
Abstract/OtherAbstract:
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The efficiency of an ion exchange system coupled to a bioreactor to extract on-line inhibitory organic acids produced was evaluated. Batch fermentations without dialysis and fed-batch experiments with and without dialysis of Propionibacterium freudenreichii were conducted. It was possible to keep the propionic acid concentration in the reactor at a low level to avoid complete growth inhibition. Improvements in biomass and propionic acid productivities were achieved when the dialysis system was used. The performance of the dialysis system was improved when a new pH control strategy evaluated in this study was used. |
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Authors:
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J P da Costa; C Schrom; A Qeusada-Chanto; K W Böddeker; R Jonas |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Applied biochemistry and biotechnology Volume: 76 ISSN: 0273-2289 ISO Abbreviation: Appl. Biochem. Biotechnol. Publication Date: 1999 Feb |
Date Detail:
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Created Date: 2004-08-12 Completed Date: 2005-02-17 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 8208561 Medline TA: Appl Biochem Biotechnol Country: United States |
Other Details:
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Languages: eng Pagination: 99-105 Citation Subset: - |
Affiliation:
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Centro de Desenvolvimento Biotecnológico, Joinville-SC, Brazil. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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