Strategies for starch customization: Agricultural modification

文献类型： 外文期刊

第一作者： Guo, Ke

作者： Guo, Ke;Liu, Xingxun;Guo, Ke;Guo, Ke;Liang, Wenxin;Liu, Fulai;Persson, Staffan;Petersen, Bent L.;Blennow, Andreas;Zhong, Yuyue;Wang, Shujun;Wang, Shujun;Guo, Dongwei;Herburger, Klaus;Zhong, Yuyue

作者机构：

关键词： Starch; Agricultural modification; Water stress; Temperature stress; Nitrogen fertilizer

期刊名称：CARBOHYDRATE POLYMERS （ 影响因子：11.2； 五年影响因子：10.2 ）

ISSN： 0144-8617

年卷期： 2023 年 321 卷

页码：

收录情况： SCI

摘要： Raw starch is commonly modified to enhance its functionality for industrial applications. There is increasing demand for 'green' modified starches from both end-consumers and producers. It is well known that environmental conditions are key factors that determine plant growth and yield. An increasing number of studies suggest growth conditions can expand affect starch structure and functionality. In this review, we summarized how water, heat, high nitrogen, salinity, shading, CO2 stress affect starch biosynthesis and physicochemical properties. We define these treatments as a fifth type of starch modification method - agricultural modification - in addition to chemical, physical, enzymatic and genetic methods. In general, water stress decreases peak viscosity and gelatinization enthalpy of starch, and high temperature stress increases starch gelatinization enthalpy and temperature. High nitrogen increases total starch content and regulates starch viscosity. Salinity stress mainly regulates starch and amylose content, both of which are genotype-dependent. Shading stress and CO2 stress can both increase starch granule size, but these have different effects on amylose content and amylopectin structure. Compared with other modification methods, agricultural modification has the advantage of operating at a large scale and a low cost and can help meet the ever-rising market of clean-label foods and ingredients.

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