Octenylsuccinylation differentially modifies the physicochemical properties and digestibility of small granule starches

Tianming Yao; Yadi Wen; Zekun Xu; Mengting Ma; Peng Li; Charles Brennan; Zhongquan Sui; Harold Corke

doi:10.1016/j.ijbiomac.2019.12.129

Octenylsuccinylation differentially modifies the physicochemical properties and digestibility of small granule starches

Tianming Yao, Yadi Wen, Zekun Xu, Mengting Ma, Peng Li, Charles Brennan, Zhongquan Sui^*, Harold Corke

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

25 Scopus citations

Abstract

The impact of starch granule size on 2-octenyl-1-succinic anhydride (OSA) modification remains unclear. To investigate changes of structural, physicochemical, digestibility and emulsifying properties due to OSA modification, five small granule starches (from wheat, rice, oat, quinoa and amaranth) were selected and compared with a standard large granule starch (waxy maize). OSA starches were prepared in 3% (volume by weight) OSA reagent with continuous stirring for 6 h under constant pH of 8.5. The hypothesis was that property changes induced by OSA treatment can be more efficiently achieved in small granule starches (< 10 μm diameter). Small granule OSA starches generally had greater emulsion stability, swelling power and digestibility after gelatinization than waxy maize OSA starch, likely due to the unique physical properties and specific molecular structures of small granule starches, i.e. low sedimentation coefficient, low DP of amylopectin and highly branched amylopectin with short chain length. Granule sizes of OSA starches significantly impact on swelling power, amylose leaching, digestibility and emulsifying capacity, but to different extents depending on botanical origin.

Original language	English
Pages (from-to)	705-714
Number of pages	10
Journal	International Journal of Biological Macromolecules
Volume	144
DOIs	https://doi.org/10.1016/j.ijbiomac.2019.12.129
State	Published - 1 Feb 2020
Externally published	Yes

Keywords

Emulsifying ability
OSA modification
Small granule starch
Starch digestibility

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10.1016/j.ijbiomac.2019.12.129

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title = "Octenylsuccinylation differentially modifies the physicochemical properties and digestibility of small granule starches",

abstract = "The impact of starch granule size on 2-octenyl-1-succinic anhydride (OSA) modification remains unclear. To investigate changes of structural, physicochemical, digestibility and emulsifying properties due to OSA modification, five small granule starches (from wheat, rice, oat, quinoa and amaranth) were selected and compared with a standard large granule starch (waxy maize). OSA starches were prepared in 3% (volume by weight) OSA reagent with continuous stirring for 6 h under constant pH of 8.5. The hypothesis was that property changes induced by OSA treatment can be more efficiently achieved in small granule starches (< 10 μm diameter). Small granule OSA starches generally had greater emulsion stability, swelling power and digestibility after gelatinization than waxy maize OSA starch, likely due to the unique physical properties and specific molecular structures of small granule starches, i.e. low sedimentation coefficient, low DP of amylopectin and highly branched amylopectin with short chain length. Granule sizes of OSA starches significantly impact on swelling power, amylose leaching, digestibility and emulsifying capacity, but to different extents depending on botanical origin.",

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author = "Tianming Yao and Yadi Wen and Zekun Xu and Mengting Ma and Peng Li and Charles Brennan and Zhongquan Sui and Harold Corke",

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doi = "10.1016/j.ijbiomac.2019.12.129",

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T1 - Octenylsuccinylation differentially modifies the physicochemical properties and digestibility of small granule starches

AU - Yao, Tianming

AU - Wen, Yadi

AU - Xu, Zekun

AU - Ma, Mengting

AU - Li, Peng

AU - Brennan, Charles

AU - Sui, Zhongquan

AU - Corke, Harold

PY - 2020/2/1

Y1 - 2020/2/1

N2 - The impact of starch granule size on 2-octenyl-1-succinic anhydride (OSA) modification remains unclear. To investigate changes of structural, physicochemical, digestibility and emulsifying properties due to OSA modification, five small granule starches (from wheat, rice, oat, quinoa and amaranth) were selected and compared with a standard large granule starch (waxy maize). OSA starches were prepared in 3% (volume by weight) OSA reagent with continuous stirring for 6 h under constant pH of 8.5. The hypothesis was that property changes induced by OSA treatment can be more efficiently achieved in small granule starches (< 10 μm diameter). Small granule OSA starches generally had greater emulsion stability, swelling power and digestibility after gelatinization than waxy maize OSA starch, likely due to the unique physical properties and specific molecular structures of small granule starches, i.e. low sedimentation coefficient, low DP of amylopectin and highly branched amylopectin with short chain length. Granule sizes of OSA starches significantly impact on swelling power, amylose leaching, digestibility and emulsifying capacity, but to different extents depending on botanical origin.

AB - The impact of starch granule size on 2-octenyl-1-succinic anhydride (OSA) modification remains unclear. To investigate changes of structural, physicochemical, digestibility and emulsifying properties due to OSA modification, five small granule starches (from wheat, rice, oat, quinoa and amaranth) were selected and compared with a standard large granule starch (waxy maize). OSA starches were prepared in 3% (volume by weight) OSA reagent with continuous stirring for 6 h under constant pH of 8.5. The hypothesis was that property changes induced by OSA treatment can be more efficiently achieved in small granule starches (< 10 μm diameter). Small granule OSA starches generally had greater emulsion stability, swelling power and digestibility after gelatinization than waxy maize OSA starch, likely due to the unique physical properties and specific molecular structures of small granule starches, i.e. low sedimentation coefficient, low DP of amylopectin and highly branched amylopectin with short chain length. Granule sizes of OSA starches significantly impact on swelling power, amylose leaching, digestibility and emulsifying capacity, but to different extents depending on botanical origin.

KW - Emulsifying ability

KW - OSA modification

KW - Small granule starch

KW - Starch digestibility

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U2 - 10.1016/j.ijbiomac.2019.12.129

DO - 10.1016/j.ijbiomac.2019.12.129

M3 - 文章

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AN - SCOPUS:85076878308

SN - 0141-8130

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JO - International Journal of Biological Macromolecules

JF - International Journal of Biological Macromolecules

ER -

Octenylsuccinylation differentially modifies the physicochemical properties and digestibility of small granule starches

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Keywords

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