Effect of pH and age of culture on cellular fatty acid composition of Leuconostoc oenos

被引：21

作者：

DriciCachon, Z ^{[1
]}

Cavin, JF ^{[1
]}

Divies, C ^{[1
]}

机构：

[1] UNIV BOURGOGNE,ENSBANA,MICROBIOL LAB,F-21000 DIJON,FRANCE

来源：

LETTERS IN APPLIED MICROBIOLOGY | 1996年 / 22卷 / 05期

关键词：

D O I：

10.1111/j.1472-765X.1996.tb01172.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：

This study is concerned with the fatty acid composition of three strains of Leuconostoc oenos grown at different pH. The most abundant fatty acids were C18: 1 omega(9), C19:0 cy(omega(9,10)) and C16:0, followed by C16: 1 omega(9) and C14:0. The pH considerably modified the fatty acid distribution in Lo107 (an acidophilic strain) and Lo8413 ( a moderately acidophilic strain). However, moderate changes occurred for LoATCC 23277 (a less acidophilic strain). At pH 2.9, Lo107 has a remarkably high level of C19 : 0 cy-(omega(9,10)) and C19:0 cy(omega(11,12)). Proportions of C18:1 and C19:0 cycle acids varied mainly with the pH of the medium and also as a function of growth phase. The degree of unsaturation of fatty acids also varied with pH.

引用

页码：331 / 334

页数：4

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