A novel insight to screen the optimal spray-drying protectants and parameters for manufacturing lactic acid bacteria preparations

被引：9

作者：

Zhang, Zhuo ^{[1
]}

Peng, Sen ^{[1
]}

Sun, Xiaoqi ^{[1
]}

Jie, Yu ^{[1
]}

Zhao, Hongfei ^{[1
,2
]}

Zhu, Baoqing ^{[1
,2
]}

Dziugan, Piotr ^{[3
]}

Zhang, Bolin ^{[1
,2
]}

机构：

[1] Beijing Forestry Univ, Coll Biol Sci & Biotechnol, Beijing 100083, Peoples R China

[2] Beijing Forestry Univ, Beijing Key Lab Forestry Food Proc & Safety, Beijing, Peoples R China

[3] Tech Univ Lodz, Inst Fermentat Technol & Microbiol, Lodz, Poland

来源：

DRYING TECHNOLOGY | 2020年 / 38卷 / 14期

基金：

中国国家自然科学基金;

关键词：

Spray drying; lactic acid bacteria; protectants; beta-galactosidase; liposome; DRIED LACTOBACILLUS-BULGARICUS; VIABILITY; SURVIVAL; POWDER; OPTIMIZATION; PRESERVATION; TREHALOSE; STORAGE; CULTURES;

D O I：

10.1080/07373937.2019.1674323

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

This study constructed a beta-galactosidase (beta-gal) liposome model instead of bacterial cells to optimize spray-drying protectants and parameters. The screened protectant combination consisted of 35 g/L monosodium glutamate, 50 g/L sucrose, and 35 g/L maltodextrin. The optimal parameters for spray drying were 130 degrees C inlet air temperature, 7.5 mL/min feed flow rate, and 150 mL optimal protectant combination. The viability of the five lactic acid bacteria strains spray-dried with the optimized protectant and parameters was over 50%.Lactobacillus helveticusstrain LH-9's mechanism of resistance to spray-dry treatment was investigated in the presence of the optimal protectant combination.

引用

页码：1843 / 1856

页数：14

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