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Article: Structures of building blocks in clusters of sweetpotato amylopectin

TitleStructures of building blocks in clusters of sweetpotato amylopectin
Authors
Issue Date2011
PublisherPergamon. The Journal's web site is located at http://www.elsevier.com/locate/carres
Citation
Carbohydrate Research, 2011, v. 346 n. 18, p. 2913-2925 How to Cite?
Abstract,β-Limit dextrins of domains and clusters of sweetpotato amylopectin were subjected to extensive hydrolysis by Bacillus amyloliquefaciens α-amylase to release building blocks and reveal the internal structures of clusters. The composition of building blocks was analyzed by size-fractionation, gel permeation chromatography, and high performance anion exchange chromatography. Different domains and clusters had structurally similar building blocks with around three chains per building block and internal chain length around 2.9. Singly branched and doubly branched building blocks were the largest and second largest groups in the clusters. Type A clusters had more large building blocks and contained 5-6 blocks per cluster with an inter-block chain length (IB-CL) of 7.0, whereas type B clusters had less large building blocks and contained 3-4 blocks per cluster with IB-CL 7.9. Models on how the building blocks could be organized into type A and type B clusters are discussed. © 2011 Elsevier Ltd. All rights reserved.
Persistent Identifierhttp://hdl.handle.net/10722/179263
ISSN
2015 Impact Factor: 1.817
2015 SCImago Journal Rankings: 0.612
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorZhu, Fen_US
dc.contributor.authorCorke, Hen_US
dc.contributor.authorMan, Pen_US
dc.contributor.authorBertoft, Een_US
dc.date.accessioned2012-12-19T09:53:28Z-
dc.date.available2012-12-19T09:53:28Z-
dc.date.issued2011en_US
dc.identifier.citationCarbohydrate Research, 2011, v. 346 n. 18, p. 2913-2925en_US
dc.identifier.issn0008-6215en_US
dc.identifier.urihttp://hdl.handle.net/10722/179263-
dc.description.abstract,β-Limit dextrins of domains and clusters of sweetpotato amylopectin were subjected to extensive hydrolysis by Bacillus amyloliquefaciens α-amylase to release building blocks and reveal the internal structures of clusters. The composition of building blocks was analyzed by size-fractionation, gel permeation chromatography, and high performance anion exchange chromatography. Different domains and clusters had structurally similar building blocks with around three chains per building block and internal chain length around 2.9. Singly branched and doubly branched building blocks were the largest and second largest groups in the clusters. Type A clusters had more large building blocks and contained 5-6 blocks per cluster with an inter-block chain length (IB-CL) of 7.0, whereas type B clusters had less large building blocks and contained 3-4 blocks per cluster with IB-CL 7.9. Models on how the building blocks could be organized into type A and type B clusters are discussed. © 2011 Elsevier Ltd. All rights reserved.en_US
dc.languageengen_US
dc.publisherPergamon. The Journal's web site is located at http://www.elsevier.com/locate/carresen_US
dc.relation.ispartofCarbohydrate Researchen_US
dc.subject.meshAmylopectin - Chemistry - Metabolismen_US
dc.subject.meshBacillus - Classification - Enzymologyen_US
dc.subject.meshCarbohydrate Conformationen_US
dc.subject.meshHydrolysisen_US
dc.subject.meshIpomoea Batatas - Chemistryen_US
dc.subject.meshAlpha-Amylases - Metabolismen_US
dc.titleStructures of building blocks in clusters of sweetpotato amylopectinen_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.carres.2011.10.009en_US
dc.identifier.pmid22070830-
dc.identifier.scopuseid_2-s2.0-82155168229en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-82155168229&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume346en_US
dc.identifier.issue18en_US
dc.identifier.spage2913en_US
dc.identifier.epage2925en_US
dc.identifier.isiWOS:000299062800011-
dc.publisher.placeUnited Kingdomen_US
dc.identifier.scopusauthoridZhu, F=35306203800en_US
dc.identifier.scopusauthoridCorke, H=7007102942en_US
dc.identifier.scopusauthoridMan, P=23109148100en_US
dc.identifier.scopusauthoridBertoft, E=6604042426en_US
dc.identifier.citeulike9929210-

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