喷雾干燥技术制备饲用乳酸菌微胶囊制剂的研究进展

doi:10.16431/j.cnki.1671-7236.2016.06.017

摘要/Abstract

摘要： 乳酸菌微胶囊技术是将核心菌体包覆于胃不溶、肠溶性的安全、特殊壁材中,可增加菌体对不良环境(胃液、胆盐等)的抵抗力,使其顺利到达肠道以发挥益生作用,且利于储存、加工和运输。利用喷雾干燥技术进行微胶囊制备具有包被速率快、生产成本低、适用于连续化生产等优点,但由于其存在较高进出口风温度及快速脱水过程,对于饲用乳酸菌的微胶囊制备在壁材物质及制备参数等方面具有严格的要求。为此,作者从工艺过程、壁材选择、工艺参数选择及其产品效果分析等方面,对近年来喷雾干燥技术在乳酸菌微胶囊制备方面进行了综述,以期为推动乳酸菌微胶囊制剂的研制及其在动物生产中的应用提供依据。

关键词: 喷雾干燥技术; 微胶囊; 喷雾干燥; 饲用乳酸菌

Abstract: Microencapsulation provides a physical barrier to the Lactobacillus against the harsh environmental conditions and gastrointestinal passage thereby increasing the number of viable cells reaching the small intestine,and it is also beneficial to storage,processing and transportation.Spray drying is a common technology used in microencapsulation process because it is a continuous and rapid process with low cost and high reproducibility.However,it can cause a decrease in microorganism numbers and activity due to high inlet and exit air temperatures and evaporation rates during the process,which has strict requirement for Lactobacillus in the selection of wall materials and preparation parameters.This article reviewed the research progress of spray drying for microencapsulated Lactobacillus,which contained the selection of microcapsule wall material,technological parameter and the evaluation method of microencapsulated Lactobacillus.It could provide the theoretical basis of preparation for microencapsulated Lactobacillus and its industrial production.

Key words: spray drying; microencapsulation; spray dry; Lactobacillus

中图分类号:

S816

张董燕, 季海峰, 王四新, 刘辉, 王晶, 王雅民. 喷雾干燥技术制备饲用乳酸菌微胶囊制剂的研究进展[J]. , 2016, 43(6): 1512-1516.

ZHANG Dong-yan, JI Hai-feng, WANG Si-xin, LIU Hui, WANG Jing, WANG Ya-min. Research Progress in Microencapsulated Lactobacillus by Spray Drying[J]. , 2016, 43(6): 1512-1516.

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