发明名称 |
Method of double-coating lactic acid bacteria |
摘要 |
The present disclosure relates to production of double-coated lactic acid bacteria using peptides and polysaccharide. Double-coated lactic acid bacteria show improved heat-resistance, acid-resistance, bile-resistance, storage stability and excellent survival rate when reaching intestine. |
申请公布号 |
US9163210(B2) |
申请公布日期 |
2015.10.20 |
申请号 |
US201514621258 |
申请日期 |
2015.02.12 |
申请人 |
|
发明人 |
Chung Myung-Jun;Cho Young-Chai;Kim Soo-Dong;Hong Un-Pyoe |
分类号 |
C12N1/20;A61K9/16;A23L1/30;A61K35/74;A23L1/00;A61K9/50;A61K35/744;A61K35/745;A61K35/747;C12N1/04;A61K9/19 |
主分类号 |
C12N1/20 |
代理机构 |
Knobbe Martens Olson & Bear LLP |
代理人 |
Knobbe Martens Olson & Bear LLP |
主权项 |
1. A method of preparing double-coated lactic acid bacteria, the method comprising:
providing a protein aqueous solution comprising either or both of skim milk and isolated soybean protein as a protein component; adding a proteolytic enzyme to the protein aqueous solution, which causes partial hydrolysis of the protein component in the protein aqueous solution to provide a hydrolyzed product comprising water-soluble peptides and water semi-soluble peptides; cultivating lactic acid bacteria in a fermentation solution comprising the hydrolyzed product, wherein at least part of the water-soluble peptides from the hydrolyzed product are consumed by the lactic acid bacteria, wherein cultivating provides a liquid mixture comprising the lactic acid bacteria, the water-soluble peptides and the water-semisoluble peptides; centrifuging the liquid mixture to deposit the water-semisoluble peptides along with the lactic acid bacteria such that deposited water-semisoluble peptides enclose lactic acid bacteria to provide peptide-coated lactic acid bacteria, collecting, from the centrifugation result, the peptide-coated lactic acid bacteria, mixing, in an aqueous solution, the collected peptide-coated lactic acid bacteria with a polysaccharide and a cryoprotectant to provide a homogenized aqueous mixture comprising the peptide-coated lactic acid bacteria, the polysaccharide and the cryoprotectant, freezing the homogenized aqueous mixture to provide a frozen homogenized mixture in which the peptide-coated lactic acid bacteria are enclosed in a polysaccharide coating, and lyophilizing the frozen homogenized mixture, thereby forming double-coated lactic acid bacteria coated with the water-semisoluble peptides and further with the polysaccharide. |
地址 |
Seoul KR |