Cited by 144Food composition and propertiesProteins in Food SystemsPolysaccharides Composition and Applications

Effect of cryo-milling on starches: Functionality and digestibility

Dhital, Sushil, Shrestha, Ashok K., Gidley, Michael J.·2010·Food Hydrocolloids

Abstract

Four commercial starches, potato starch (PS), maize starch (MS), and two high amylose maize starches (HAMS), were cryo-milled, with and without hydration, for 20 min to study the effect of milling on physicochemical properties and enzyme digestibility. There was a significant increase in cold water soluble and damaged starch in cryo-milled samples in the order PS > MS > HAMS. Viscosity parameters of milled starches were significantly lower than for native starches, although changes in pasting temperature were not significant. In vitro digestion of native starches showed that enzyme resistance followed the order PS > HAMS > MS. A significant increase in enzyme digestion rate was observed after cryo-milling PS and HAMS but not MS. However, cryo-milled PS and HAMS were still less rapidly-digested than native MS. Scanning electron microscopy (SEM) of native, milled and digested starches showed a uniform 'inside-out' digestion pattern for MS, whereas a heterogeneous and nonspecific pattern was observed for PS and HAMS. This study suggests that milling has predominantly mechanical rather than thermal effects on starches and that the relative enzyme resistance of PS and HAMS granules compared with MS is due to the absence of the structural features of MS granules that allow internal access of enzymes.

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Crossref · 10.1016/j.foodhyd.2009.08.013

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Authors
Dhital, S., Shrestha, A. K., & Gidley, M. J.
Affiliations
The University of Queensland (AU)
Corresponding author
Gidley, Michael J.
Venue
Food Hydrocolloids
Publisher
Elsevier BV
Published
2010-03
Volume
24
Issue
2-3
Pages
152-163
ISSN
0268-005X (ISSN-L)
OpenAlex
W2061832952
Cited by
144
References
38
Citations by year
2026: 6 · 2025: 10 · 2024: 15 · 2023: 10 · 2022: 5 · 2021: 8 · 2020: 11 · 2019: 5 · 2018: 7 · 2017: 9 · 2016: 8 · 2015: 13 · 2014: 9 · 2013: 8 · 2012: 9
FWCI
6.44
Type
journal article
Language
en
Open access
closed
Locations
Food Hydrocolloids (publishedVersion)
Funders
University of Queensland
Topics
  • Health Sciences › Nursing › Nutrition and Dietetics › Food composition and properties
  • Life Sciences › Agricultural and Biological Sciences › Food Science › Proteins in Food Systems
  • Life Sciences › Agricultural and Biological Sciences › Food Science › Polysaccharides Composition and Applications
Keywords
cryomilling, starch functional properties, starch digestibility, enzyme resistance, potato starch, corn starch, high-amylose maize starch, starch hydration, cold water solubility, damaged starch, starch viscosity, pasting properties, starch granule structure, in vitro digestion

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