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In vitro digestibility of gamma-irradiated corn starches

Authors
Yoon, H. -S.Yoo, J. -Y.Kim, J. -H.Lee, J. -W.Byun, M. -W.Baik, B. -K.Lim, S. -T.
Issue Date
23-7월-2010
Publisher
ELSEVIER SCI LTD
Keywords
Gamma-irradiation; Digestibility; RS; Starch
Citation
CARBOHYDRATE POLYMERS, v.81, no.4, pp.961 - 963
Indexed
SCIE
SCOPUS
Journal Title
CARBOHYDRATE POLYMERS
Volume
81
Number
4
Start Page
961
End Page
963
URI
https://scholar.korea.ac.kr/handle/2021.sw.korea/116044
DOI
10.1016/j.carbpol.2010.03.053
ISSN
0144-8617
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. (C) 2010 Elsevier Ltd. All rights reserved.
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