Department of Biological and Agricultural Engineering, University of California, Davis, CA, USA.
School of Food and Biological Engineering, Jiangsu University, Zhenjiang, China.
J Sci Food Agric. 2018 Nov;98(14):5220-5224. doi: 10.1002/jsfa.9058. Epub 2018 Jun 1.
Pulsed light (PL) is a new potential technology to degrade aflatoxin. The objective of this study was to investigate the degradation characters of aflatoxin B (AFB ) and B (AFB ) treated under PL irradiation. A kinetic degradation study of AFB and AFB in solid medium was performed under PL irradiation at different initial concentrations of AFB (229.9, 30.7 and 17.8 μg kg ) and AFB (248.2, 32.2 and 19.5 μg kg ) and irradiation intensities (2.86, 1.60 and 0.93 W cm ) of PL. A second-order reaction model was applied to describe degradation of AFB and AFB .
The results showed that the degradation of AFB and AFB followed the second-order reaction kinetic model well (R > 0.97). The degradation rate was proportional to the intensities of PL irradiation and the initial concentrations of aflatoxins.
It is concluded that the degradation of AFB and AFB with the use of PL could be accurately described using the second-order reaction kinetic model. © 2018 Society of Chemical Industry.
脉冲光（PL）是一种降解黄曲霉毒素的新技术。本研究的目的是研究在 PL 照射下黄曲霉毒素 B（AFB ）和 B（AFB ）的降解特性。在不同的 AFB 初始浓度（229.9、30.7 和 17.8μg/kg 和 AFB （248.2、32.2 和 19.5μg/kg）和 PL 照射强度（2.86、1.60 和 0.93W/cm）下，对固体培养基中的 AFB 和 AFB 进行了动力学降解研究。采用二级反应模型来描述 AFB 和 AFB 的降解。
结果表明，AFB 和 AFB 的降解很好地遵循了二级反应动力学模型（R＞0.97）。降解速率与 PL 照射强度和黄曲霉毒素的初始浓度成正比。
结论是，使用 PL 降解 AFB 和 AFB 可以使用二级反应动力学模型准确描述。©2018 化学工业协会。
