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Article: Molecular structure of amylopectin from amaranth starch and its effect on physicochemical properties

TitleMolecular structure of amylopectin from amaranth starch and its effect on physicochemical properties
Authors
Kong, XBertoft, EBao, JCorke, H
KeywordsAmylopectin structure
Chain length distribution
Limit dextrin
Issue Date2008
PublisherElsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/ijbiomac
Citation
International Journal Of Biological Macromolecules, 2008, v. 43 n. 4, p. 377-382 How to Cite?
DOI: http://dx.doi.org/10.1016/j.ijbiomac.2008.07.018
AbstractThe molecular structure of amylopectin and its φ{symbol},β-limit dextrins from starch of 13 amaranth cultivars was determined by HPAEC-PAD after debranching. Chain length profiles of amylopectins showed bimodal distributions. The molar-based ratios of the average chain lengths of amylopectins (CLap) ranged from 17.41 to 18.22. The molar-based average chain lengths (CLld) and average B-chain lengths (BCLld) of φ{symbol},β-limit dextrins varied from 7.68 to 8.05, and from 14.10 to 14.73, respectively. Correlation analysis indicated that most structural parameters were positively correlated with thermal properties with few exceptions, whereas the content of fraction fa′ ("′" stands for molar-based chain length ratio) was negatively correlated with the thermal properties. Pasting properties of cold paste viscosity (CPV) and setback were also correlated with amylopectin structural parameters. © 2008 Elsevier B.V. All rights reserved.
Persistent Identifierhttp://hdl.handle.net/10722/179087
ISSN
0141-8130
2023 Impact Factor: 7.7
2023 SCImago Journal Rankings: 1.245
ISI Accession Number ID
WOS:000260809600009
References
References in Scopus

 

DC FieldValueLanguage
dc.contributor.authorKong, Xen_US
dc.contributor.authorBertoft, Een_US
dc.contributor.authorBao, Jen_US
dc.contributor.authorCorke, Hen_US
dc.date.accessioned2012-12-19T09:51:52Z-
dc.date.available2012-12-19T09:51:52Z-
dc.date.issued2008en_US
dc.identifier.citationInternational Journal Of Biological Macromolecules, 2008, v. 43 n. 4, p. 377-382en_US
dc.identifier.issn0141-8130en_US
dc.identifier.urihttp://hdl.handle.net/10722/179087-
dc.description.abstractThe molecular structure of amylopectin and its φ{symbol},β-limit dextrins from starch of 13 amaranth cultivars was determined by HPAEC-PAD after debranching. Chain length profiles of amylopectins showed bimodal distributions. The molar-based ratios of the average chain lengths of amylopectins (CLap) ranged from 17.41 to 18.22. The molar-based average chain lengths (CLld) and average B-chain lengths (BCLld) of φ{symbol},β-limit dextrins varied from 7.68 to 8.05, and from 14.10 to 14.73, respectively. Correlation analysis indicated that most structural parameters were positively correlated with thermal properties with few exceptions, whereas the content of fraction fa′ ("′" stands for molar-based chain length ratio) was negatively correlated with the thermal properties. Pasting properties of cold paste viscosity (CPV) and setback were also correlated with amylopectin structural parameters. © 2008 Elsevier B.V. All rights reserved.en_US
dc.languageengen_US
dc.publisherElsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/ijbiomacen_US
dc.relation.ispartofInternational Journal of Biological Macromoleculesen_US
dc.subjectAmylopectin structure-
dc.subjectChain length distribution-
dc.subjectLimit dextrin-
dc.subject.meshAmaranthus - Chemistryen_US
dc.subject.meshAmylopectin - Chemistryen_US
dc.subject.meshDextrins - Chemistryen_US
dc.subject.meshMolecular Structureen_US
dc.subject.meshMolecular Weighten_US
dc.titleMolecular structure of amylopectin from amaranth starch and its effect on physicochemical propertiesen_US
dc.typeArticleen_US
dc.identifier.emailCorke, H: harold@hku.hken_US
dc.identifier.authorityCorke, H=rp00688en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.doi10.1016/j.ijbiomac.2008.07.018en_US
dc.identifier.pmid18755216-
dc.identifier.scopuseid_2-s2.0-52949142199en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-52949142199&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume43en_US
dc.identifier.issue4en_US
dc.identifier.spage377en_US
dc.identifier.epage382en_US
dc.identifier.isiWOS:000260809600009-
dc.publisher.placeNetherlandsen_US
dc.identifier.scopusauthoridKong, X=7202794616en_US
dc.identifier.scopusauthoridBertoft, E=6604042426en_US
dc.identifier.scopusauthoridBao, J=7201398486en_US
dc.identifier.scopusauthoridCorke, H=7007102942en_US
dc.identifier.citeulike4307748-
dc.identifier.issnl0141-8130-

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