| Gelling galactans from the algal community of Furcellaria lumbricalis and Coccotylus truncatus (the Baltic Sea, Estonia): a structure-property study. | |
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MedLine Citation:
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PMID: 9283021 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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Extraction of Furcellaria lumbricalis by potassium hydroxide solution shows that the maximum gel strength of polysaccharides separated is attained by extraction at concentration 0.16 M KOH. Crude extract from this algal species has a complicated monosaccharide composition; a drastic increase of gel strength by alkaline extraction of the polysaccharide mixture cannot be explained through the composition of a major (kappa) fraction described earlier. Alkaline treatment is also suitable for accelerating the extraction of polysaccharides from Coccotylus truncatus overlaid with thick epithelium. Viscous galactans from C. truncatus are more stable to alkali, their composition is simpler and close to iota carrageenan. The formation of mixed kappa and iota carrageenan gels as a result of simultaneous extraction of both seaweeds causes levelling of theological properties of different extraction fractions. |
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Authors:
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K Truus; M Vaher; A I Usov; T Pehk; A Kollist |
Publication Detail:
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Type: Journal Article; Research Support, Non-U.S. Gov't |
Journal Detail:
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Title: International journal of biological macromolecules Volume: 21 ISSN: 0141-8130 ISO Abbreviation: Int. J. Biol. Macromol. Publication Date: 1997 Aug |
Date Detail:
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Created Date: 1997-12-15 Completed Date: 1997-12-15 Revised Date: 2006-11-15 |
Medline Journal Info:
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Nlm Unique ID: 7909578 Medline TA: Int J Biol Macromol Country: ENGLAND |
Other Details:
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Languages: eng Pagination: 89-96 Citation Subset: IM |
Affiliation:
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EME Institute of Chemistry, Tallinn, Estonia. |
Export Citation:
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APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
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Algae
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chemistry* Estonia Galactans / chemistry* Gels Magnetic Resonance Spectroscopy Microscopy, Electron, Scanning Monosaccharides / analysis Oceans and Seas Structure-Activity Relationship |
| Chemical | |
Reg. No./Substance:
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0/Galactans; 0/Gels; 0/Monosaccharides |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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