Abstract
Cold atmospheric plasma (CAP) has shown great promise in mycotoxin degradation. This study compared the degradation efficiency of CAP against DON in the solid phase, aqueous solution, and wheat grains, as well as their degradation pathway and cytotoxicity of degradation products. The degradation efficiency of liquid DON by 12-W and 3.5-min CAP was 95%, while the maximum degradation rate of solid DON was only 56% after 40-W CAP treatment for 20 min. The major individual degradation products of solid and liquid-phase DON were C15H19NO9 and C15H18O7. There were also four same degradation products, namely C14H16O4, C15H18O6, C15H18O8, and C15H20O5. The cytotoxicity of solid and liquid-phase DON on human kidney cells was significantly decreased after CAP treatment. Additionally, the degradation rate of 30-min CAP at 10 W against DON in wheat grains was 61%. The pasting and gluten quality of whole wheat flour was altered after CAP treatment.
Published Version
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