PRODUCTION OF EXTRACELLULAR POLYSACCHARIDES BY LACTOBACILLUS-DELBRUECKII SSP BULGARICUS NCFB-2772 GROWN IN A CHEMICALLY-DEFINED MEDIUM

被引：100

作者：

GROBBEN, GJ ^{[1
]}

SIKKEMA, J ^{[1
]}

SMITH, MR ^{[1
]}

DEBONT, JAM ^{[1
]}

机构：

[1] SNOW BRAND EUROPEAN RES LABS BV,GRONINGEN,NETHERLANDS

来源：

JOURNAL OF APPLIED BACTERIOLOGY | 1995年 / 79卷 / 01期

关键词：

D O I：

10.1111/j.1365-2672.1995.tb03130.x

中图分类号：

Q81 [生物工程学（生物技术）]; Q93 [微生物学];

学科分类号：

071005 ; 0836 ; 090102 ; 100705 ;

摘要：

Lactobacillus delbrueckii ssp. bulgaricus NCFB 2772 produced an extracellular polysaccharide when grown in a chemically defined medium with glucose or lactose as the substrate carbohydrate. The isolated extracellular polysaccharide had a sugar composition of glucose, galactose and rhamnose in a ratio of 1 : 6.8 : 0.7. The production of extracellular polysaccharides increased at higher temperatures, but the bacterium rapidly lost its polysaccharide producing ability at 47 degrees C. Production of polysaccharides was growth-related: no polysaccharide production was found after growth had ceased. An excess carbohydrate did not result in increased polysaccharide production.

引用

页码：103 / 107

页数：5

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