期刊
INTERNATIONAL JOURNAL OF FOOD MICROBIOLOGY
卷 59, 期 1-2, 页码 1-7出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/S0168-1605(00)00230-0
关键词
ochratoxin A; detoxification; ochratoxin alpha; Aspergillus niger; high-performance liquid chromatography (HPLC)
Mycotoxin contamination of agricultural products is a serious health hazard throughout the world. Besides attempts to eliminate mycotoxins from contaminated substrates by physical and chemical methods, the ability of microbes to degrade mycotoxins is now being widely examined. In this study, several Aspergillus species were examined for their ability to degrade ochratoxin A. A. fumigatus and black Aspergillus strains were found to detoxify ochratoxin A in culture media. The kinetics of ochratoxin A detoxification by an atoxigenic A. niger strain was examined by thin layer chromatography, high-performance liquid chromatography and an immunochemical technique. A. niger CBS 120.49 was found to effectively eliminate ochratoxin A from both liquid and solid media, and the degradation product, ochratoxin alpha, was also decomposed. (C) 2000 Elsevier Science B.V. All rights reserved.
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