Degradation of ochratoxin A in aqueous solutions by electron beam irradiation

文献类型: 外文期刊

第一作者: Peng, Chunhong

作者: Peng, Chunhong;Wang, Li;Wang, Changgang;Li, Shurong;Peng, Chunhong;Ding, Yang;Li, Shuying;Nie, Ying;Zhou, Linyan;Li, Yaru;Peng, Chunhong;An, Fengping

作者机构:

关键词: Electron beam irradiation;OTA solution;Degradation efficiency;Kinetics

期刊名称:JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY ( 影响因子:1.371; 五年影响因子:1.28 )

ISSN:

年卷期:

页码:

收录情况: SCI

摘要: The electron beam (EB) irradiation-induced degradation of ochratoxin A (OTA) was investigated in this study. Results showed that EB irradiation is much more effective in degrading OTA in water than that in acetonitrile and methanol-water (60:40, v/v). OTA degradation efficiency increased in an irradiation dose-dependent manner and decreased in the increasing of substrate concentration. The alkaline conditions (pH 9.99) and the addition of H2O2 (<0.1 % v/v) remarkably improved the OTA degradation efficiency. OTA degradation process agreed well with the pseudo first-order kinetic model. Furthermore, the degradation products were preliminary analyzed using liquid chromatography-mass spectrometry.

分类号: O64

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