Abstract
Aflatoxin B1 is known as the most potent mycotoxin produced by several fungi. It has been demonstrated to be not only carcinogenic but teratogenic and mutagenic as well in humans. To prevent or inactivate aflatoxins, several chemical or physical methods were tested for ammoniation, using insecticides as an example, but they were unsuitable for food products. On the contrary, biological control by antagonistic microorganisms is an ideal method. In order to control aflatoxin B1 biologically, the antagonists 07, 63, 75, 74, and 61 were separated from various samples by using the antagonistic activity test. Among them, culture filtrate part A (non heat-treated) of 63 and 74 had a higher inhibitory activities compared to part B (heat-treated) on fungi growth. In fact, both showed aflatoxin B1 degradation activities. The degradation effects of antagonist 63 and 74 on aflatoxin B1 produced by Aspergillus flavus were shown to be 95% and 75%, respectively. Based on the morphological characteristics, 63 was deduced as an Azospirillum sp.
Original language | English |
---|---|
Pages (from-to) | 154-160 |
Number of pages | 7 |
Journal | Journal of Microbiology and Biotechnology |
Volume | 10 |
Issue number | 2 |
State | Published - Apr 2000 |
Keywords
- Aflatoxin B
- Antagonist
- Aspergillus flavus
- Biological control