【摘要】 采用α-淀粉酶对玉米淀粉进行部分降解制备微孔淀粉, 通过对淀粉得率、比容积和吸油率的考察和扫描电镜观 察,研究微孔淀粉质量随不同酶浓度和处理时间的变化 规律,并采用正交实验优化制备微孔淀粉的温度、pH和 钙离子浓度等工艺条件。更多还原

【Abstract】 Micro-porous starch granules were formed by the partially hydrolyzed of native corn starch granules using alpha amylase. The objective of this study was to learn the quality transforming regularity of the micro-porous starch granule with different α-amylase concentration and hydrolysis time, by examining the recovery ratio, specific volume, absorptive capacity of oil and SEM observation of the micro-porous starch. Temperature, pH and Ca2+ concentration were considered as the main factors to optimize the technologic conditions.更多还原