Antimicrobial spectrum and target site of D-3-phenyllactic acid

被引：187
作者：
Dieuleveux, V
Lemarinier, S
Gueguen, M [1 ]
机构：
[1] Univ Caen, Inst Rech Biol Appl, Lab Microbiol Alimentaire, F-14032 Caen, France
[2] Univ Caen, Inst Rech Biol Appl, Lab Microbiol Environm, F-14032 Caen, France
来源：
INTERNATIONAL JOURNAL OF FOOD MICROBIOLOGY | 1998年 / 40卷 / 03期
关键词：
D-3-phenyllactic acid; inhibition; L-monocytogenes; scanning electron microscopy; cell wall;
D O I：
10.1016/S0168-1605(98)00031-2
中图分类号：
TS2 [食品工业];
学科分类号：
0832 ;
摘要：
Geotrichum candidum excretes D-3-phenyllactic acid, which inhibits the growth of Listeria monocytogenes. It was found to inhibit a range of Gram-positive bacteria found in humans and foodstuffs, such as Staphylococcus aureus and Enterococcuss faecalis, acid Gram-negative bacteria from humans, such as Providencia stuartii and Klebsiella oxytoca. Scanning electron microscope studies on the effect of D-3-phenyllactic acid on L. monocytogenes showed that it caused changes in bacterial behavior and structure. The bacteria formed aggregates acid secreted polysaccharides; their cell walls lost their rigidity, causing the cells to swell. Finally the bacteria broke down completely and the cells disintegrate. (C) 1998 Elsevier Science B.V.
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收藏
页码：177 / 183
页数：7
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