In order to reduce the DON content and improve the utilization rate of scabbed wheat bran, wheat bran was treated with superheated steam to study the effects of steam temperature, processing time, steam velocity and wheat bran moisture content on DON concentration. The results showed that superheated steam treatment could significantly reduce the DON concentration. With the treatment of steam temperature 240 ℃ for 10 min, the steam velocity was 3 m/s and the wheat bran moisture content was 10%, the degradation rate reached the highest value which was 91.12%. In a certain range, increasing steam temperature, treatment time and steam flow rate all can significantly improve the degradation rate of DON (P<0.05), however, the increase of water content will significantly reduce the degradation rate.
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