| 甾醇酯微胶囊制备工艺研究 |
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| 引用本文： | 夏辉,刘欣荣.甾醇酯微胶囊制备工艺研究[J].粮油食品科技,2012,20(1):30-33. |
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| 作者姓名： | 夏辉 刘欣荣 |
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| 作者单位： | 1. 国家粮食储备局西安油脂科学研究设计院,陕西西安,710082
2. 西藏民族学院,陕西咸阳,712082 |
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| 摘 要： | 研究了喷雾干燥法制备微胶囊化甾醇酯的工艺。研究结果表明:微胶囊化甾醇酯的最优乳化条件为:复合乳化剂配比(单甘酯∶蔗糖酯)为1∶9;乳化剂用量0.75%;壁材用量20%;壁材比(变性淀粉∶麦芽糊精)为1∶5;芯材/壁材为0.5。喷雾干燥法制备甾醇酯微胶囊的最佳工艺参数为:进料温度50～60℃、均质压力50 MPa、进风温度180℃、出风温度80℃、喷雾压力180 KPa。在此工艺条件下微胶囊化效率可达77.8%。
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| 关 键 词： | 甾醇酯 微胶囊 喷雾干燥 |
Research on preparation of sterol ester microcapsules |
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| XIA Hui,LIU Xin-rong.Research on preparation of sterol ester microcapsules[J].Science and Technology of Cereals,Oils and Foods,2012,20(1):30-33. |
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| Authors: | XIA Hui LIU Xin-rong |
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| Affiliation: | 1.Xi′an Oils & Fats Research & Design Institute,State Administration of Grain Reserve, Xi′an Shannxi 710082; 2.Tibet University for Nationalities,Xianyang Shanxi 712082) |
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| Abstract: | The preparation of sterol esters microcapsules by spray drying was studied.The result showed that the optimum emulsification conditions of sterol esters microcapsule were the ratio of glycerol monoester to sucrose fatty acid ester 1∶ 9,emulsifier 0.75%,emulsion concentration 20%,the ratio of starch to maltodextrane1∶ 5,and the ratio of sterol esters to wall material was 0.5.The optimal parameters for preparing sterol esters microcapsules by spray drying were feed temperature 50～60 ℃,homogenizing pressure 50 MPa,temperatures of inlet wind and outlet wind 180 ℃ and 80 ℃,spray pressure 180 Kpa.The microencapsulating efficiency was 77.8% at these conditions. |
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| Keywords: | sterol ester microcapsules spray drying |
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