Effects of lactic acid bacteria and Saccharomyces cerevisiae on growth of Aspergillus westerdijkiae and ochratoxin A production and toxicity

被引：1
作者：
Piotrowska, M. [1 ]
Roszak, J. [2 ]
Stanczyk, M. [2 ]
Palus, J. [2 ]
Dziubaltowska, E. [2 ]
Stepnik, M. [2 ]
机构：
[1] Tech Univ Lodz, Inst Fermentat Technol & Microbiol, PL-90924 Lodz, Poland
[2] Nofer Inst Occupat Med, PL-91348 Lodz, Poland
来源：
WORLD MYCOTOXIN JOURNAL | 2014年 / 7卷 / 03期
关键词：
yeast; lactic acid bacteria; antifungal activity; antigenotoxicity; anticytotoxicity; ANTIFUNGAL ACTIVITY; AFLATOXIN B-1; IN-VITRO; BIOLOGICAL-CONTROL; MUTAGENICITY TEST; GENE-EXPRESSION; SURFACE BINDING; MYCOTOXINS; FOOD; CYTOTOXICITY;
D O I：
10.3920/WMJ2013.1588
中图分类号：
TS2 [食品工业];
学科分类号：
0832 ;
摘要：
The aim of this study was to examine three strains of the yeast Saccharomyces cerevisiae and three strains of lactic acid bacteria belonging to the genus Lactobacillus for their antifungal activity against the ochratoxin A producer Aspergillus westerdijkiae, as well as for their effect on OTA genotoxicity and cytotoxicity. When inoculated simultaneously, fungal growth was completely inhibited by S. cerevisiae. In the case of lactic acid bacteria, growth inhibition also occurred but to a less extent. A significant decrease in toxin production in co-culture with the yeast strains and LAB was observed. The supernatant of 24-h-old cultures of yeast strains in medium with OTA did not influence significantly the viability of porcine kidney epithelial LLC-PK1 cell line, whereas the supernatant from the LAB increased the viability compared to the control. Regarding genotoxicity, a decreased fragmentation of DNA was observed in the presence of the supernatant from wine and brewing yeasts, and Lactobacillus brevis strains. Based on the results obtained, it might be concluded that S. cerevisiae yeasts and lactic acid bacteria could be used to minimise the negative effect of OTA on humans and animals.
引用
收藏
页码：313 / 320
页数：8
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