Journal
CARBOHYDRATE POLYMERS
Volume 83, Issue 2, Pages 317-328Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.carbpol.2010.08.064
Keywords
Annealing; Heat-moisture treatment; Physical modification; Safe food; Starch
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Heat-moisture treatment (HMT) and annealing (ANN) are physical modifications that change the physicochemical properties of starch without destroying its granular structure These hydrothermal treatments are processes in which the starch-to-moisture ratio temperature and heating time are critical parameters that need to be controlled In HMT starch is heated to temperatures above the gelatinisation temperatures but with insufficient moisture to gelatinise In ANN starch is exposed to excess water for an extended period of time at a temperature above the glass transition but below the gelatinisation temperature The impact of such hydrothermal treatments on starch pasting morphological crystalline thermal and physicochemical properties as well as on the enzymatic and acid susceptibility of starch will be discussed The paper also highlights some applications of hydrothermally treated starch This review is of significance not only for the development of novel starches for food and non-food applications but also for understanding the impact of HMT and ANN on starch and its functionality (C) 2010 Elsevier Ltd All rights reserved
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