米渣蛋白酶解物作壁材制备微胶囊化调和油的研究  

Microencapsulation of blend oil with rice dregs protein hydrolysate used as a wall material

作　　者：李湘[1,2] 熊华[1,2] 李薇[1,2] 史素伟[1,2] 彭地纬[1,2] 徐井水[1,2] 

机构地区：[1]南昌大学食品科学与技术国家重点实验室,南昌330047 [2]南昌大学生命科学与食品工程学院,南昌330047

出　　处：《中国油脂》2010年第5期4-9,共6页China Oils and Fats

基　　金："十一五"国家科技支撑计划项目(2006BAD27B00);食品科学与技术国家重点实验室目标导向资助项目(SKLF-MB-200809);食品科学与技术国家重点实验室自由探索资助项目(SKLF-TS-200818);教育部长江学者和创新团队发展计划项目(IRT0540)

摘　　要：以米渣蛋白酶解物作壁材,采用喷雾干燥法制备微胶囊化调和油(富含中链脂肪酸)。通过单因素试验和正交试验确定其最优工艺条件为:芯材含量25%,壁材m(米渣酶解物)∶m(麦芽糊精)=5∶5,乳化剂(m(吐温-80)∶m(单甘酯)∶m(蔗糖酯)=16∶81∶3)添加量3.0%,羧甲基纤维素添加量0.45%,黄原胶添加量0.1%,45℃乳化20 m in,乳液固形物含量20%,均质压力10 MPa,均质2次,喷雾干燥出风温度90℃。在此条件下,产品微囊化效率达83.6%。The rice dregs protein hydrolysate was used as a wall material,and the microencapsulated blend oil rich in medium chain fatty acid was prepared by spray-drying.The emulsion system and the spray-drying process parameters were determined.The optimum conditions were as follows：core materials content 25%,mass ratio of rice dregs protein hydrolysate to maltodextrin 5∶5,compound emulsifier dosage（Tween-80,glyceryl monostearate and sucrose ester,which mass ratio was 16∶81∶3） 3.0%,CMC 0.45%,xanthan gum 0.1%,total solid 20%,emulsifying 20 min at 45℃,homogenization with 10 MPa for two times,outlet temperature 90℃ of spray-drying.Under the optimum conditions,the final product had a good microencapsulated efficiency（83.6%）.

关 键 词：米渣蛋白酶解物 调和油 乳化 微胶囊化 喷雾干燥法 

分 类 号：TS225[轻工技术与工程—粮食、油脂及植物蛋白工程]