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

页码：259 / +

页数：2

共 40 条

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