Effect of four materials including trehalose, soluble starch, raffinose and galactose on survival of Lactobacillus acidophilus during freeze-drying

被引：5
|
作者：
Qin, Tao [1 ]
Ma, Qi [1 ]
Chen, He [2 ]
Shu, Guowei [1 ,2 ]
机构：
[1] Shaanxi Acad Sci, Enzyme Engn Inst, Xian, Peoples R China
[2] Shaanxi Univ Sci & Technol, Coll Life Sci & Engn, Xian, Peoples R China
来源：
ADVANCED RESEARCH ON STRUCTURE, MATERIALS AND ENGINEERING II | 2013年 / 700卷
关键词：
Lactobacillus acidophilus; freeze-drying; carbohydrate; cryoprotectant; viable cells; DOUBLE-BLIND; DIARRHEA;
D O I：
10.4028/www.scientific.net/AMR.700.259
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
Effect of four materials including trehalose, soluble starch, raffinose and galactose on survival of Lactobacillus acidophilus was studied by counting viable cells before and after freeze-drying. The concentrations of five carbohydrates were all 3%, 6%, 9%, 12% and 15%. Results showed as follows: the optimal concentrations of trehalose, soluble starch, raffinose and galactose were 12%, 9%, 3% and 15%, the survival of Lactobacillus acidophilus was 42.62%, 56.50%, 45.05% and 42.69% and the viable cells of lyophilized powder were 0.40x10(11)cfu/g,0.45x10(11)cfu/g, 0.52x10(11) and 1.09x10(11)cfu/g, respectively.
引用
收藏
页码：259 / +
页数：2
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