摘要
研究了以嗜酸乳杆菌为心材,海藻酸钠为壁材,复乳法制备益生菌微胶囊的工艺过程和方法。通过正交试验,确定了益生菌微胶囊化的较佳工艺:海藻酸钠浓度2%,乳化时间10min,搅拌速度400rpm,菌胶比例1:6。以该工艺制备的微胶囊具有较好的耐酸性和肠溶性,包封率在59.20%左右。
The technological processes about preparing microcapsulation of LA with complex emulsification method were studied. The sodium alginate was used as shell-material and EA as core-material, the optimal technological conditions of making the microcapsule were determined through orthogonal experiment. The results showed that the optional conditions were as follows： concentration of sodium alginate was 2 %, emulsification time was10 min, stirring speed was 400 rmp, proportion of LA and sodium alginate was 1：6.This method can prepare microcapsules which have good enteric solubility and acid resistance, embedding rate was 59.20 %.
出处
《食品研究与开发》
CAS
北大核心
2006年第1期76-79,共4页
Food Research and Development
关键词
嗜酸乳杆菌
肠溶性
微胶囊
冷冻干燥
Lactobacillus acidophilus
enteric solubility
microcapsules
freeze-drying
