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Updated: Mar 10, 2026

Analysis and Specification of Starch Granule Size Distributions
Published on: March 4, 2021
Molecular structure, functionality and applications of oxidized starches: A review
Nathan Levien Vanier1, Shanise Lisie Mello El Halal1, Alvaro Renato Guerra Dias1
1Department of Agroindustrial Science and Technology, Federal University of Pelotas, 96010-900 Pelotas, Brazil.
This review details starch oxidation mechanisms and properties. It covers various oxidizing agents and their impact on starch, aiding in developing new oxidized starch applications.
Area of Science:
- Carbohydrate Chemistry
- Polymer Science
- Materials Science
Background:
- Starch oxidation involves converting hydroxyl groups to carbonyl and carboxyl groups.
- The degree of oxidation is determined by the content of these functional groups.
Purpose of the Study:
- To review the mechanisms of starch oxidation using various oxidizing agents.
- To describe the effects of oxidation on starch properties.
- To present industrial applications of oxidized starches.
Main Methods:
- Review of literature on starch oxidation mechanisms.
- Analysis of effects of sodium hypochlorite, hydrogen peroxide, ozone, and sodium periodate on starch.
- Compilation of data on physicochemical, thermal, pasting, and morphological properties.
Main Results:
- Oxidation proceeds from hydroxyl to carbonyl, then to carboxyl groups.
- Different oxidizing agents induce varying modifications in starch properties.
- Oxidized starches exhibit diverse properties suitable for various applications.
Conclusions:
- Understanding oxidation mechanisms is key to controlling starch properties.
- This knowledge facilitates the development of novel oxidized starches.
- Oxidized starches have significant potential in food and non-food industries.
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