The salt-induced crystallization behavior of potato amylose
文献类型: 外文期刊
第一作者: Wang, Danli
作者: Wang, Danli;Qiu, Xueyan;Kang, Haiqi;Lian, Xijun;Li, Lin;Li, Lin
作者机构:
关键词: Crystallization;Potato amylose;Salt
期刊名称:STARCH-STARKE ( 影响因子:2.741; 五年影响因子:3.112 )
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收录情况: SCI
摘要: The salt-induced crystallization behavior of potato amylose was probed by measurement of fluorescent inversive microscope, X-ray powder diffraction (XRD) and Fourier transform infrared spectroscopy (FTIR). The crystalline patterns and granular structures of potato amylose in the presence of salt were highly dependent on the type and concentration of salt as well as the amylose content. High amylose content and low salt concentration (specifically 4% of amylose content and below 0.1mol/L of salt in this study) favored the organization of double-stranded helices into regular assemblies. Salt was proposed to act on the crystallization of potato amylose mainly via the cation-starch interactions occurring between the cations of salt and the negatively charged phosphate groups and free hydroxyl groups of potato amylose. The difference in the crystalline growth mode of potato amylose with different concentrations might be attributed to different nature of cations, especially the charge density
分类号: TS21
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