Food Chemistry, ( ISI ), Volume (8), No (5), Year (2016-8) , Pages (602-608)

Title : ( Effects of NaCl and CaCl2on physicochemical properties of pregelatinized and granular cold-water swelling corn starches )

Authors: Sara Hedayati , Mahsa Majzoobi , Fakhri Shahidi , Arash Koocheki , Asgar Farahnaky ,

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The physicochemical properties of drum dried pregelatinized (PG) and granular cold-water-swelling (GCWS) corn starch pastes were determined in the presence of NaCl and CaCl2 (0, 50, 100, 150 and 200 mM). Light micrographs revealed that NaCl roughened the surface of PG starch particles while CaCl2did not bring about obvious changes on their morphology. In the case of GCWS starch, there were some wrinkles on the surface of starch granules. NaCl increased the wrinkles but CaCl2softened the surface of granules. GCWS starch had higher water absorption, cold paste viscosity and textural parameters than PG starch and these parameters were enhanced with addition of CaCl2while NaCl exhibited an opposite trend for all of these factors. The Freeze-thaw (F-T) stability and turbidity of GCWS were also higher than PG starch. In presence of salts F-T stability and turbidity of both modified starches improved and CaCl2caused more evident changes

Keywords

, Corn starch, Granular cold-water-swelling starch, Drum-dried pregelatinized starch, Sodium chloride, Calcium
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@article{paperid:1057634,
author = {Hedayati, Sara and Mahsa Majzoobi and Shahidi, Fakhri and Koocheki, Arash and Asgar Farahnaky},
title = {Effects of NaCl and CaCl2on physicochemical properties of pregelatinized and granular cold-water swelling corn starches},
journal = {Food Chemistry},
year = {2016},
volume = {8},
number = {5},
month = {August},
issn = {0308-8146},
pages = {602--608},
numpages = {6},
keywords = {Corn starch; Granular cold-water-swelling starch; Drum-dried pregelatinized starch; Sodium chloride; Calcium chloride},
}

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%0 Journal Article
%T Effects of NaCl and CaCl2on physicochemical properties of pregelatinized and granular cold-water swelling corn starches
%A Hedayati, Sara
%A Mahsa Majzoobi
%A Shahidi, Fakhri
%A Koocheki, Arash
%A Asgar Farahnaky
%J Food Chemistry
%@ 0308-8146
%D 2016

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