| Effect of the production method on the properties of RS3/RS4 type resistant starch. Part 2. Effect of a degree of substitution on the selected properties of acetylated retrograded starch. | |
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MedLine Citation:
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PMID: 22953955 Owner: NLM Status: In-Data-Review |
Abstract/OtherAbstract:
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Resistant starch displays health-promoting properties. Starch preparations produced through acetylation of retrograded starch may be applied as a food additive. Apart from prebiotic properties, they may as well model the texture of a food product. The objective of this study was to determine the effect of retrogradation and acetylation conditions on properties of the produced RS3/4 type resistant starch. Native potato starch was used to produce starch pastes (1, 4, 10, 18 or 30g/100g), that were frozen, defrosted and dried. The resultant preparations of retrograded starch were acetylated with various doses of an acetic acid anhydride (3.25, 6.5, 13.0, 26.0 or 52.0ml/100g). The acetylated preparations of retrograded starch were characterised by increasing solubility in water and swelling power as well as a lower amylose content along with an increasing degree of their substitution with residues of acetic acid. Dependencies of: pasting temperatures, viscosity of the prepared pastes, and resistance of acetylated starch to the action of amyloglucosidase on the degree of substitution with acetic acid residues were described with a second degree polynomial function. The extent and range of changes were found to depend on the concentration of paste used to produce a retrograded starch preparation. The maximum resistance of RS3/4 preparations to the action of amyloglucosidase ranged from 28.7 to 45.9g/100g. |
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Authors:
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M Kapelko; T Zięba; A Michalski |
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Publication Detail:
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Type: Journal Article Date: 2012-06-29 |
Journal Detail:
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Title: Food chemistry Volume: 135 ISSN: 0308-8146 ISO Abbreviation: Food Chem Publication Date: 2012 Dec |
Date Detail:
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Created Date: 2012-09-07 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 7702639 Medline TA: Food Chem Country: England |
Other Details:
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Languages: eng Pagination: 2035-42 Citation Subset: IM |
Copyright Information:
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Copyright © 2012 Elsevier Ltd. All rights reserved. |
Affiliation:
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Department of Food Storage and Technology, Wroclaw University of Environmental and Life Science, Chełmońskiego 37/41, 51 - 630 Wroclaw, Poland. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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