Isolation of an exopolysaccharide-producing Streptococcus thermophilus from Algerian raw cow milk

被引：0
|
作者：
Rabha Bennama
María Fernández
Victor Ladero
Miguel A. Alvarez
Nadra Rechidi-Sidhoum
Ahmed Bensoltane
机构：
[1] Université de Mostaganem,Département de Biotechnologie
[2] Instituto de Productos Lácteos de Asturias (IPLA-CSIC),Département de Biologie
[3] Université d’Oran,undefined
来源：
European Food Research and Technology | 2012年 / 234卷
关键词：
Exopolysaccharide; Priming glycosyltransferase gene; EPS production in milk; Molar mass;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Lactic acid bacteria (LAB) play a key role in the development of the organoleptic and textural qualities of fermented dairy products. The exopolysaccharides (EPS) produced by LAB are of great technological interest since they improve the rheological characteristics of these products and help reduce syneresis. In the present work, an EPS-producing Streptococcus thermophilus strain was isolated from Algerian raw cow milk. Its identity was confirmed by biochemical and molecular methods. The presence in its genome of a priming glycosyltransferase gene was confirmed by PCR. The strain’s growth and EPS production in milk was analysed and the molar mass of the EPS produced determined by HPLC.
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页码：119 / 125
页数：6
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