玉米多孔淀粉的制备及其粉末化薏苡仁油的研究  

Study on porous maize starch preparation and powdering coix seed oil

作　　者：蒋艳荣[1,2] 张振海[1] 丁冬梅[1] 孙娥[1] 汪晶[1] 贾晓斌[1,2] 

机构地区：[1]江苏省中医药研究院国家中医药管理局中药释药系统重点研究室,江苏南京210028 [2]南京中医药大学,江苏南京210046

出　　处：《中国中药杂志》2013年第14期2287-2291,共5页China Journal of Chinese Materia Medica

基　　金：江苏省社会发展科技支撑计划项目(BE2010756);江苏省中医药科技项目(LZ11065)

摘　　要：该文目的是优化多孔淀粉的制备工艺,将其应用于粉末化薏苡仁油的研究。以玉米淀粉为原料,采用糖化酶和α-淀粉酶复合酶解法制备多孔淀粉。以色拉油的吸油率为指标,通过正交试验设计优化多孔淀粉的制备工艺;采用多孔淀粉粉末化薏苡仁油,考察不同比例多孔淀粉对薏苡仁油中甘油三油酸酯收率的影响;同时考察粉末化薏苡仁油的流动性和甘油三油酸酯的释放特性。结果表明最佳工艺条件为糖化酶和α-淀粉酶配比3∶1,温度55℃,pH 5.0,水解12 h,所得多孔淀粉对色拉油的吸油率达到98.5%;用于粉末化薏苡仁油,多孔淀粉和薏苡仁油质量比4∶1,粉末化的薏苡仁油中甘油三油酸酯收率为97.02%,粉末流动性良好且具有缓释性能。多孔淀粉粉末化液体油生产工艺简单、操作方便、成本低,具有推广应用价值。To optimize the preparation conditions of porous starch.The porous starch was used to powder coix seed oil.Porous starch was made of maize starch by using compound enzymes of glucoamylase and α-amylase.The preparation process was optimized through orthogonal test design with oil absorption rate to salad oil as indexes.The effect of different dosages of porous starch on yield of triglyceride by powdering coix seed oil was studied.The triglyceride release behaviors and fluidity of powdered coix seed oil were also studied.The results showed that the optimum conditions for preparation of porous maize starch were as follows,the mass radio of glucoamylase to α-amylase was 3∶1,the temperatures was 55 ℃,pH was 5.0,and hydrolysis time was 12 h.Under these conditions,the oil absorption rate to salad oil was 98.5% for porous maize starch.Porous starch was used to power coix seed oil.When porous starch to coix seed oil was 4∶1,the triglyceride yield of powering coix seed oil was up to 97.02%.The fluidity of powdered coix seed oil was favorable and control released.The preparation of powdered liquid oil with porous starch had many advantages such as simple production technology,convenient operation,low cost and was worth generalizing.

关 键 词：薏苡仁油 玉米多孔淀粉 流动性 体外溶出度 

分 类 号：TS236.9[轻工技术与工程—粮食、油脂及植物蛋白工程]