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中文摘要：
以大豆分离蛋白和麦芽糊精为壁材，采用喷雾干燥法对藻油进行微胶囊包埋。通过单因素实验考察不同配方和工艺参数，采用正交实验设计优化各因素，得到包埋的最优工艺为：大豆分离蛋白与麦芽糊精比例1：2，固形物含量15％，芯壁比1：2，单硬脂酸甘油酯和蔗糖脂肪酸酯（3：7）用量为3％，喷雾干燥进风温度170℃，出风温度70℃，均质压力45MPa，微胶囊包埋效率可达92．8％。在最佳工艺条件下获得的藻油微胶囊产品感官品质较好，在保持低水分含量的同时兼具良好的溶解性和氧化稳定性。
英文摘要：
Soy protein isolate and maltodextrin were used as wall material and algae oil microcapsule was prepared by spray-drying. The formula investigated by single factor and optimized by orthogonal array design were as followings： the soy protein isolates and mahodextrin ratio 1： 2, the solid content in the wall material 15% , the suitable proportion of core material and wall material 1 ： 2, the ratio of fatty acid monoglyceride and sucrose fatty acid ester 3 ： 7 and the amount was 3% ,The optimum spray drying conditions were： the inlet temperature 170 ℃, and outlet temperature 70 ℃, the pressure of homogeneous 45 MP. Under these conditions, the capsulation efficiency was 91.2%. The algae oil microcapsules produced under the optimal conditions had good sensory quality, solubility and oxidative stability with low water content.
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