In vitro degradation of zearalenone by Bacillus subtilis |
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| Authors: | K J Cho J S Kang W T Cho C H Lee J K Ha and Kyung Bin Song |
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| Institution: | (1) Department of Food Science and Technology, Chungnam National University, Daejeon, 305-764, Republic of Korea;(2) Genebiotech, Gongju, 314-831, Republic of Korea;(3) Department of Agricultural Biotechnology, Seoul National University, Seoul, 151-921, Republic of Korea; |
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| Abstract: | Zearalenone (ZEN) is a non-steroidal estrogen produced by many Fusarium species in cereals and other plants, and is frequently implicated in safety of foods and feeds. A ZEN-degrading microorganism
has been isolated and identified as a Bacillus subtilis subspecies. It degraded 99% ZEN (1 mg kg−1) in liquid medium after 24 h and more than 95% of ZEN (0.25 mg kg−1) could be degraded after 48 h in a solid-state fermentation. This isolate can thus be used to decontaminate raw materials,
like grains, to reduce the mycotoxin concentration. |
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