EFFECT OF BIFIDOBACTERIA ON NITRITES AND NITROSAMINES

被引：19

作者：

GRILL, JP ^{[1
]}

CROCIANI, J ^{[1
]}

BALLONGUE, J ^{[1
]}

机构：

[1] UNIV NANCY 1,CHIM BIOL LAB 1,F-54506 VANDOEUVRE NANCY,FRANCE

来源：

LETTERS IN APPLIED MICROBIOLOGY | 1995年 / 20卷 / 05期

关键词：

D O I：

10.1111/j.1472-765X.1995.tb00456.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：

The effects of six different bifidobacteria strains were studied on two procarcinogens: nitrite and nitrosamines. Growth of bifidobacteria was not affected by nitrite concentrations below 50 mu mol l(-1). At nitrite concentrations greater than 2000 mu mol l(-1), total growth inhibition was observed. Nitrite elimination by a non-enzymic mechanism was noted for six strains of bifidobacteria. Acids produced by the bacteria seem to be involved in nitrite elimination. Nitrosamines tested had no effect on growth of bifidobacteria. Only one strain (Bifidobacterium longum BE 536) was able to metabolize nitrosamines by an intracellular mechanism.

引用

页码：328 / 330

页数：3

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