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Enhancing the functional properties of rice starch through biopolymer blending for industrial applications: A review.

Consumer driven Grain Quality and Nutrition unit, Rice Breeding and Innovation Platform, International Rice Research Institute, Los Baños 4030, Philippines; Max-Planck-Institute of Molecular Plant Physiology, Am Mühlenberg 1, 14476 Potsdam-Golm, Germany. Electronic address: r.tiozon@irri.org. Chemistry Department, De La Salle University, 2401 Taft, Avenue, Manila 0922, Philippines; Department of Chemistry, College of Science, University of Santo Tomas, España Blvd, Sampaloc, Manila, 1008, Metro Manila, Philippines. Electronic address: aldrin.bonto@dlsu.edu.ph. Consumer driven Grain Quality and Nutrition unit, Rice Breeding and Innovation Platform, International Rice Research Institute, Los Baños 4030, Philippines. Electronic address: n.sreenivasulu@irri.org.

International journal of biological macromolecules. 2021;:100-117
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Abstract

Rice starch has been used in various agri-food products due to its hypoallergenic properties. However, rice starch has poor solubility, lower resistant starch content with reduced retrogradation and poor functional properties. Hence, its industrial applications are rather limited. The lack of comprehensive information and a holistic understanding of the interaction between rice starch and endo/exogenous constituents to improve physico-chemical properties is a prerequisite in designing industrial products with enhanced functional attributes. In this comprehensive review, we highlight the potentials of physically mixing of biopolymers in upgrading the functional characteristics of rice starch as a raw material for industrial applications. Specifically, this review tackles rice starch modifications by adding natural/synthetic polymers and plasticizers, leading to functional blends or composites in developing sustainable packaging materials, pharma- and nutraceutical products. Moreover, a brief discussion on rice starch chemical and genetic modifications to alter starch quality for the deployment of rice starch industrial application is also highlighted.

Methodological quality

Publication Type : Review

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MeSH terms : Oryza