Progress on the structural and physicochemical properties of sand rice （ Agriophyllum squarrosum ） starch
Received date: 2022-03-24
Revised date: 2022-05-30
Online published: 2023-01-17
Agriophyllum squarrosum is a future crop belonging to Chenopodioideae Amaranthaceae. The seeds of A. squarrosum， also known as sand rice， contain rich nutrients， including protein， essential amino acids， and unsaturated fatty acids. Starch accounts for more than 43.85% of the weight of sand rice， and the starch granule is spherical and smooth， with an average diameter of 1 μm and an A-type crystal structure. The native sand rice starch has high pasting viscosity and gelatinization enthalpy， and good thermal stability. The granules of sand rice starch become coarser after heat-moisture and/or ultrasonic treatments， but still maintain the A-type crystal pattern. Accordingly， the pasting temperatures of the modified sand rice starches are increased， the gelatinization enthalpy values decreased， and the contents of slowly digestible starch and resistant starch increased. This manuscript briefly summarized the structural and physicochemical characteristics and functional properties of the native sand rice starch， as well as its property changes with different processing methods， and provided a theoretical basis for the comprehensive development and utilization of sand rice in food and other industries.
Lu Yang , Xin Liu , Changcheng Zhao , Qiaozhen Kang , Jike Lu , Pengshan Zhao . Progress on the structural and physicochemical properties of sand rice （ Agriophyllum squarrosum ） starch[J]. Journal of Desert Research, 2023 , 43(1) : 58 -65 . DOI: 10.7522/j.issn.1000-694X.2022.00087
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