Rheological, pasting, thermal and retrogradation properties of octenyl succinic anhydride modified potato starch
Abstract The objective of the present study was to investigate the rheological, pasting, and thermal properties of octenyl succinic anhydrate (OSA)-modified potato starch. Potato starch was modified using different concentrations of OSA (0, 1, 3, and 5%, v/v). The degree of substitution (DS) for the...
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doaj-03a9949bc7bf4a4281c1f0f60aa2bad92020-11-24T22:39:27ZengSociedade Brasileira de Ciência e Tecnologia de AlimentosFood Science and Technology1678-457X010.1590/1678-457x.23616S0101-20612017005001104Rheological, pasting, thermal and retrogradation properties of octenyl succinic anhydride modified potato starchChuin WONYong Ik JINDong-Chil CHANGMisook KIMYoungseung LEEPalanivel GANESANYun-Kyung LEEYoon Hyuk CHANGAbstract The objective of the present study was to investigate the rheological, pasting, and thermal properties of octenyl succinic anhydrate (OSA)-modified potato starch. Potato starch was modified using different concentrations of OSA (0, 1, 3, and 5%, v/v). The degree of substitution (DS) for the OSA-modified starch ranged from 0.0012 to 0.0055. The amylose leaching values of native and OSA-modified potato starch with different DS levels were in the range of 47.09-87.32%. The gel strength values of the OSA-modified starch were lower than those of native potato starch. Rapid Visco Analyzer data showed that peak, hot pasting, final and setback viscosities of the native starch decreased after OSA modification. Dynamic shear rheological tests, conducted at 4 °C, indicated that OSA-modified potato starch had weak gel-like behavior with the storage moduli (G') higher than the loss moduli (G”) over most of the frequency ranges (0.63-63.8 rad·s-1).http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-20612017005001104&lng=en&tlng=enpotato starchoctenyl succinic anhydriderheological propertypasting propertyretrogradation |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Chuin WON Yong Ik JIN Dong-Chil CHANG Misook KIM Youngseung LEE Palanivel GANESAN Yun-Kyung LEE Yoon Hyuk CHANG |
spellingShingle |
Chuin WON Yong Ik JIN Dong-Chil CHANG Misook KIM Youngseung LEE Palanivel GANESAN Yun-Kyung LEE Yoon Hyuk CHANG Rheological, pasting, thermal and retrogradation properties of octenyl succinic anhydride modified potato starch Food Science and Technology potato starch octenyl succinic anhydride rheological property pasting property retrogradation |
author_facet |
Chuin WON Yong Ik JIN Dong-Chil CHANG Misook KIM Youngseung LEE Palanivel GANESAN Yun-Kyung LEE Yoon Hyuk CHANG |
author_sort |
Chuin WON |
title |
Rheological, pasting, thermal and retrogradation properties of octenyl succinic anhydride modified potato starch |
title_short |
Rheological, pasting, thermal and retrogradation properties of octenyl succinic anhydride modified potato starch |
title_full |
Rheological, pasting, thermal and retrogradation properties of octenyl succinic anhydride modified potato starch |
title_fullStr |
Rheological, pasting, thermal and retrogradation properties of octenyl succinic anhydride modified potato starch |
title_full_unstemmed |
Rheological, pasting, thermal and retrogradation properties of octenyl succinic anhydride modified potato starch |
title_sort |
rheological, pasting, thermal and retrogradation properties of octenyl succinic anhydride modified potato starch |
publisher |
Sociedade Brasileira de Ciência e Tecnologia de Alimentos |
series |
Food Science and Technology |
issn |
1678-457X |
description |
Abstract The objective of the present study was to investigate the rheological, pasting, and thermal properties of octenyl succinic anhydrate (OSA)-modified potato starch. Potato starch was modified using different concentrations of OSA (0, 1, 3, and 5%, v/v). The degree of substitution (DS) for the OSA-modified starch ranged from 0.0012 to 0.0055. The amylose leaching values of native and OSA-modified potato starch with different DS levels were in the range of 47.09-87.32%. The gel strength values of the OSA-modified starch were lower than those of native potato starch. Rapid Visco Analyzer data showed that peak, hot pasting, final and setback viscosities of the native starch decreased after OSA modification. Dynamic shear rheological tests, conducted at 4 °C, indicated that OSA-modified potato starch had weak gel-like behavior with the storage moduli (G') higher than the loss moduli (G”) over most of the frequency ranges (0.63-63.8 rad·s-1). |
topic |
potato starch octenyl succinic anhydride rheological property pasting property retrogradation |
url |
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-20612017005001104&lng=en&tlng=en |
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