In vitro digestibility of gamma-irradiated corn starches

H. S. Yoon, J. Y. Yoo, J. H. Kim, J. W. Lee, M. W. Byun, B. K. Baik, S. T. Lim

Research output: Contribution to journalArticlepeer-review

19 Citations (Scopus)

Abstract

The digestibility of gamma-irradiated corn starches was investigated. Gamma-irradiation (5-20 kGy) decreased the average molecular size of waxy and normal corn starches, but increased the proportions of both rapidly digestible (RDS) starch and enzyme-resistant starch (RS). The residual moisture in starch affected the susceptibility of the starches to the irradiation. Waxy corn starch was more susceptible to the irradiation than normal corn starch. The increase in RS content indicates that the irradiation induced the structural modification besides the chain degradation.

Original languageEnglish
Pages (from-to)961-963
Number of pages3
JournalCarbohydrate Polymers
Volume81
Issue number4
DOIs
Publication statusPublished - 2010 Jul 23

Keywords

  • Digestibility
  • Gamma-irradiation
  • RS
  • Starch

ASJC Scopus subject areas

  • Organic Chemistry
  • Polymers and Plastics
  • Materials Chemistry

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