| Olive fruit cell wall: degradation of cellulosic and hemicellulosic polysaccharides during ripening. | |
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MedLine Citation:
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PMID: 11308360 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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Cellulose and hemicelluloses obtained from the cell walls of partially depectinated olives have been studied at three stages of ripening (green, cherry, and black). Hemicelluloses were fractionated into two groups, the amounts of which diminished during ripening: those soluble in 4% KOH diminished between the cherry and black stages, whereas those soluble in 24% KOH did so between the green and cherry stages. Arabinoxylans, xyloglucans, and homo- and/or rhamnogalacturonans to a lesser extent were present in these fractions. After ion exchange and size exclusion chromatographies, decreases in the molecular weights of hemicelluloses, mainly in the neutral fractions, were observed. The amount of cellulose also decreased, but at the second stage of the ripening process. Approximately 2 mg/fruit of glucose was lost from cellulose, and the amount of uronic acids increased (0.23 mg/fruit). |
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Authors:
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A Jiménez; R Rodríguez; I Fernández-Caro; R Guillén; J Fernández-Bolaños; A Heredia |
Publication Detail:
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Type: Journal Article; Research Support, Non-U.S. Gov't |
Journal Detail:
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Title: Journal of agricultural and food chemistry Volume: 49 ISSN: 0021-8561 ISO Abbreviation: J. Agric. Food Chem. Publication Date: 2001 Apr |
Date Detail:
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Created Date: 2001-04-19 Completed Date: 2001-08-30 Revised Date: 2006-11-15 |
Medline Journal Info:
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Nlm Unique ID: 0374755 Medline TA: J Agric Food Chem Country: United States |
Other Details:
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Languages: eng Pagination: 2008-13 Citation Subset: IM |
Affiliation:
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Departamento de Biotecnología de los Alimentos, Instituto de la Grasa, Consejo Superior de Investigaciones Científicas, Apartado 1078, 41012 Sevilla, Spain. |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Cell Wall
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chemistry Cellulose / analysis, metabolism* Chemical Fractionation Chromatography, Ion Exchange Food Handling Fruit / chemistry*, metabolism, ultrastructure Molecular Weight Particle Size Polysaccharides / analysis, metabolism* |
| Chemical | |
Reg. No./Substance:
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0/Polysaccharides; 8024-50-8/hemicellulose; 9004-34-6/Cellulose |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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