摘要
以玉米淀粉为原料,研究了玉米多孔淀粉制备过程中各种因素对产物成孔效果的影响,探讨了酶解成孔的机理,并对制备工艺进行了初步优化.在糖化酶和耐高温α-淀粉酶混合成的复合酶作用下,玉米淀粉水解制备玉米多孔淀粉的最佳工艺为:加酶量为按照理论水解55%淀粉的30倍加入量,糖化酶与耐高温α-淀粉酶的配比7∶1,反应体系pH值5.6,酶解温度60℃,淀粉浓度60%,反应时间20h.反应后玉米淀粉的吸油率由16.15%提高到了47.59%.
This paper aims to have a discussion about the effect of the different conditions on the porosity of corn porous starch, and the possible mechanism. Optimal corn porous starch processing conditions are determined as follows： complex enzyme that could theoretically hydrolyze 30 times of 55% of the added raw starch; ratio of α-1,4-glucanglucohydrolase to α-amylase 7：1; pH 5.6; temperature 60℃; starch solid concentration （w/v） 60%; reation time 20h. The result shows that after the reaction the oil adsorption ratio of corn starch was increased from 16.15% to 47.59%.
出处
《温州大学学报（自然科学版）》
2008年第6期32-37,共6页
Journal of Wenzhou University(Natural Science Edition)
关键词
多孔淀粉
酶解
吸油率
Porous starch
Enzymolysis
Oil adsorption ratio
