dc.contributor.author |
Cao, Feng |
|
dc.contributor.author |
Lu, Shengmin |
|
dc.contributor.author |
Quek, Siew Young |
|
dc.coverage.spatial |
Netherlands |
|
dc.date.accessioned |
2024-03-12T00:33:13Z |
|
dc.date.available |
2024-03-12T00:33:13Z |
|
dc.date.issued |
2023-12 |
|
dc.identifier.citation |
(2023). International Journal of Biological Macromolecules, 253(Pt 1), 126579-. |
|
dc.identifier.issn |
0141-8130 |
|
dc.identifier.uri |
https://hdl.handle.net/2292/67646 |
|
dc.description.abstract |
Octenyl succinic anhydride modified porous starch (OSA-PS) with degrees of substitution (DS) from 0.0123 to 0.0427 were prepared by aqueous phase method. From SEM, PS had a porous structure which showed a rough and corrosive surface after esterification with OSA. FT-IR revealed the characteristic peaks of OSA-PS at 1725 cm<sup>-1</sup> and 1570 cm<sup>-1</sup>. From <sup>1</sup>H NMR spectra, OSA-PS displayed extra chemical signal peaks at 0.85 ppm, 1.25 ppm and 1.96 ppm. These results fully demonstrated that OSA groups were successfully grafted onto PS. Furthermore, as DS increased, the specific surface area (5.6464 m<sup>2</sup>/g), pore volume (0.9959 × 10<sup>-2</sup> cm<sup>3</sup>/g) and methylene blue adsorption capacity (24.3962 mg/g) of OSA-PS reached the maximum, while its relative crystallinity (26.8112 %) and maximum thermal decomposition temperature (291.96 °C) were the minimum. In vitro digestion studies showed that with the increase of DS, OSA-PS' contents of rapidly digestible starch and slowly digestible starch decreased from 9.06 % to 6.27 % and 28.38 % to 14.61 %, respectively. In contrast, its resistant starch had an increase in content from 62.56 % to 79.12%. The results provided an effective method for obtaining a double-modified starch with high specific surface area and anti-digestibility, thus broadening the industrial application of starch. |
|
dc.format.medium |
Print-Electronic |
|
dc.language |
eng |
|
dc.publisher |
Elsevier |
|
dc.relation.ispartofseries |
International journal of biological macromolecules |
|
dc.rights |
Items in ResearchSpace are protected by copyright, with all rights reserved, unless otherwise indicated. Previously published items are made available in accordance with the copyright policy of the publisher. |
|
dc.rights.uri |
https://researchspace.auckland.ac.nz/docs/uoa-docs/rights.htm |
|
dc.subject |
Succinic Anhydrides |
|
dc.subject |
Starch |
|
dc.subject |
Spectroscopy, Fourier Transform Infrared |
|
dc.subject |
Digestion |
|
dc.subject |
Porosity |
|
dc.subject |
Degrees of substitution |
|
dc.subject |
In vitro digestion |
|
dc.subject |
Methylene blue adsorption |
|
dc.subject |
Modified porous starch |
|
dc.subject |
Octenyl succinic anhydride |
|
dc.subject |
Structure characterization |
|
dc.subject |
3101 Biochemistry and Cell Biology |
|
dc.subject |
31 Biological Sciences |
|
dc.subject |
Science & Technology |
|
dc.subject |
Life Sciences & Biomedicine |
|
dc.subject |
Physical Sciences |
|
dc.subject |
Biochemistry & Molecular Biology |
|
dc.subject |
Chemistry, Applied |
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dc.subject |
Polymer Science |
|
dc.subject |
Chemistry |
|
dc.subject |
WAXY MAIZE STARCH |
|
dc.subject |
ESTERS |
|
dc.subject |
DIGESTIBILITY |
|
dc.subject |
CONSTRUCTION |
|
dc.subject |
FABRICATION |
|
dc.subject |
0601 Biochemistry and Cell Biology |
|
dc.title |
Preparation, characterization and in vitro digestion of octenyl succinic anhydride-modified porous starch with different degrees of substitution |
|
dc.type |
Journal Article |
|
dc.identifier.doi |
10.1016/j.ijbiomac.2023.126579 |
|
pubs.issue |
Pt 1 |
|
pubs.begin-page |
126579 |
|
pubs.volume |
253 |
|
dc.date.updated |
2024-02-13T23:26:00Z |
|
dc.rights.holder |
Copyright: The authors |
en |
dc.identifier.pmid |
37648131 (pubmed) |
|
pubs.author-url |
https://www.sciencedirect.com/science/article/pii/S014181302303475X?via%3Dihub |
|
pubs.publication-status |
Published |
|
dc.rights.accessrights |
http://purl.org/eprint/accessRights/RetrictedAccess |
en |
pubs.subtype |
Journal Article |
|
pubs.elements-id |
983220 |
|
pubs.org-id |
Science |
|
pubs.org-id |
Chemistry |
|
dc.identifier.eissn |
1879-0003 |
|
dc.identifier.pii |
S0141-8130(23)03475-X |
|
pubs.number |
126579 |
|
pubs.record-created-at-source-date |
2024-02-14 |
|
pubs.online-publication-date |
2023-08-28 |
|