Structural characterization of acylated starches with increased delivery of short-chain fatty acids

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dc.contributor.authorLopez-Rubio, Aen_AU
dc.contributor.authorGilbert, EPen_AU
dc.contributor.authorTopping, DLen_AU
dc.contributor.authorBird, ARen_AU
dc.contributor.authorCobiac, Len_AU
dc.contributor.authorClarke, JMen_AU
dc.date.accessioned2010-02-24T04:10:47Zen_AU
dc.date.accessioned2010-04-30T04:57:51Zen_AU
dc.date.available2010-02-24T04:10:47Zen_AU
dc.date.available2010-04-30T04:57:51Zen_AU
dc.date.issued2007-08en_AU
dc.date.statistics2007-08en_AU
dc.description.abstractShort-chain fatty acids (SCFA), mainly acetic, propionic and butyric acids, are produced during fermentation of carbohydrates in the human colon and are critical for the maintenance of bowel health and colonic function (Topping and Clifton, 2001). However, an increased delivery of specific SCFA to the large bowel can also be obtained by acylation of carbohydrates, using a CSIRO proprietary technology. Understanding the effects of structure on functionality is essential for the design and manufacture of acylated starches with specific health and therapeutic effects. The aim of the present study is to determine the effects of the level of acylation (degree of substitution), the molecular size of the esterified acid and the composition of the base maize starch on the structure of the acylated starch. Low and high amylose maize starches acylated with acetic, propionic and butyric acids at three degrees of substitution were compared with the structure of the unmodified maize starches.en_AU
dc.description.sponsorshipRACI Cereal Chemistry Divisionen_AU
dc.identifier.citationLopez-Rubio, A., Gilbert, E. P., Topping, D. L., Bird, A. R., Cobiac, L., & Clarke, J. M. (2007). Structural characterization of acylated starches with increased delivery of short-chain fatty acids. Paper presented at the 57th Annual Cereal Chemistry Conference, 5th – 10th August 2007. Melbourne, Australia: RACV Club.en_AU
dc.identifier.conferenceenddate10 August 2007en_AU
dc.identifier.conferencename57th Annual Cereal Chemistry Conferenceen_AU
dc.identifier.conferenceplaceMelbourne, Australiaen_AU
dc.identifier.conferencestartdate5 August 2007en_AU
dc.identifier.govdoc1081en_AU
dc.identifier.urihttp://apo.ansto.gov.au/dspace/handle/10238/2910en_AU
dc.language.isoenen_AU
dc.publisherRoyal Australian Chemical Instituteen_AU
dc.subjectCarboxylic acidsen_AU
dc.subjectCarbohydratesen_AU
dc.subjectStarchen_AU
dc.subjectLarge intestineen_AU
dc.subjectAcylationen_AU
dc.subjectMaizeen_AU
dc.titleStructural characterization of acylated starches with increased delivery of short-chain fatty acidsen_AU
dc.typeConference Presentationen_AU
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