| Gellan gum. | |
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MedLine Citation:
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PMID: 11039329 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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For decades microbial exopolysaccharides have been invaluable ingredients in the food industry, as well as having many attractive pharmaceutical and chemical applications. Gellan gum is a comparatively new gum elaborated by the Gram-negative bacterium Sphingomonas paucimobilis. Although its physico-chemical properties have been well characterized, the ecology and physiology of Sphingomonas, and the factors influencing the fermentation process for production of this gum have received much less attention. This review focuses on the metabolism and the enzymic activity of this bacterium, as well as the factors that influence gellan production, including process temperature, pH, stirring rate, oxygen transfer, and composition of the production medium. Potential strategies for improving the production process are discussed in the context of processes for the production of other microbial biopolymers, particularly exopolysaccharides. In addition, the importance and potential utility of gellan lyases in modification of gellan and in other applications is critically evaluated. |
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Authors:
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I Giavasis; L M Harvey; B McNeil |
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Publication Detail:
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Type: Journal Article; Review |
Journal Detail:
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Title: Critical reviews in biotechnology Volume: 20 ISSN: 0738-8551 ISO Abbreviation: Crit. Rev. Biotechnol. Publication Date: 2000 |
Date Detail:
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Created Date: 2001-01-16 Completed Date: 2001-01-25 Revised Date: 2006-11-15 |
Medline Journal Info:
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Nlm Unique ID: 8505177 Medline TA: Crit Rev Biotechnol Country: UNITED STATES |
Other Details:
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Languages: eng Pagination: 177-211 Citation Subset: IM |
Affiliation:
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Strathclyde Fermentation Centre, University of Strathclyde, Glasgow. |
Export Citation:
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APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
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Carbohydrate Sequence Fermentation Molecular Sequence Data Polysaccharide-Lyases / metabolism* Polysaccharides, Bacterial / biosynthesis, chemistry*, metabolism Sphingomonas / metabolism |
| Chemical | |
Reg. No./Substance:
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0/Polysaccharides, Bacterial; 71010-52-1/gellan gum; EC 4.2.2.-/Polysaccharide-Lyases; EC 4.2.2.-/gellan lyase |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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