Insights into the structural and physicochemical properties of small granular starches from two hydrophyte duckweeds, Spirodela oligorrhiza and Lemna minor

文献类型： 外文期刊

第一作者： Chen, Lei

作者： Chen, Lei;Chen, Lei;Yu, Changjiang;Ma, Yubin;Xu, Hua;Wang, Shumin;Wang, Yu;Zhou, Gongke;Yu, Changjiang;Liu, Xingxun

作者机构：

关键词： Duckweed;Starch;Small granule;Structure;Physicochemical property

期刊名称：CARBOHYDRATE RESEARCH （ 影响因子：2.104； 五年影响因子：2.192 ）

ISSN：

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收录情况： SCI

摘要： The structure and physicochemical properties of starches from two hydrophyte duckweeds, Spirodela oligorrhiza and Lemna minor, were investigated and compared in this study. The amylose content and average size of starches were determined to be 20.85%, 4.70 mu m and 27.77%, 6.17 mu m for Spirodela oligorrhiza and Lemna minor, respectively. The average chain length of two duckweed starches was measured to be around DP 28. The chain length distribution was observed to be greatly different from other reported starches for the high proportion of long chains (DP >= 37) over 50%. Wide-angle X-ray diffraction profiles of the two starch samples displayed typical B-type diffraction pattern. The gelatinization enthalpy-changes (Delta H-gel) of two starch samples was about 10.40 J/g for two duckweed starches. The present results suggested the potential utilization of small granular starches from duckweed in functional foods and dietary supplement products. (C) 2016 Elsevier Ltd. All rights reserved.

分类号： O62

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