中温α-淀粉酶酶解怀山药的工艺研究  

The technology of medium temperature α-amylase hydrolyze Huaiqing yam

作　　者：李静静[1] 缪娟[2] 符德学[2] 张磊[1] 

机构地区：[1]河南理工大学理化学院,焦作454100 [2]焦作大学,焦作454100

出　　处：《食品科技》2012年第3期104-107,共4页Food Science and Technology

基　　金：河南理工大学研究生学位论文创新基金资助(校研[2011]1号)

摘　　要：研究了中温α-淀粉酶酶解怀山药的工艺条件。以可溶性固形物得率为指标,在单因素实验的基础上,通过正交实验确定了中温α-淀粉酶的最佳酶解工艺条件。结果表明,温度对结果的影响最大,其次是pH值和酶加入量,时间的影响最小。中温α-淀粉酶酶解怀山药的最佳工艺条件为:酶加入量为0.060mg/mL,pH值为7,温度为80℃,时间为20min,在此条件下,可溶性固形物得率为24.259%。This paper studied the technological conditions of medium temperature α-amylase hydrolyze Huaiqing yam. With yield rate of soluble solids, on the base of single test factors, it determined the optimum technological conditions of medium temperature α-amylase by orthogonal experiments. The results show that temperature was the most important factor affected the result, following with pH and the amount of enzyme. The effect of time was not obvious in our study. The optimal conditions： dosage of enzyme 0.060 mg/mL, pH 7, temperature 80 % and time 20 min. Under this condition, the yield of soluble solid was 24.259%.

关 键 词：怀山药 中温α-淀粉酶 可溶性固形物 

分 类 号：TS255.3[轻工技术与工程—农产品加工及贮藏工程]