Occurrence of aflatoxins in water and decontamination strategies: A review

文献类型： 外文期刊

第一作者： Wang, Su-Yan

作者： Wang, Su-Yan;Herrera-Balandrano, Daniela D.;Shi, Xin-Chi;Chen, Xin;Laborda, Pedro;Liu, Feng-Quan

作者机构：

关键词： Mycotoxins; Organic contaminants; Aspergillus; Degradation; Adsorption

期刊名称：WATER RESEARCH （ 影响因子：12.8； 五年影响因子：13.3 ）

ISSN： 0043-1354

年卷期： 2023 年 232 卷

页码：

收录情况： SCI

摘要： Aflatoxins are highly carcinogenic metabolites produced by some Aspergillus species and are the most prevalent mycotoxins. Although aflatoxins are commonly synthesized during fungal colonization in preharvest maize, cereals, and nuts, they can be transported by rainfall to surface water and are a common toxin found in wastewater from some food industries. Here, the occurrence of aflatoxins in bodies of water is reviewed for the first time, along with the decontamination methods. Aflatoxins have been detected in surface, wastewater and drinking water, including tap and bottled water. The specific sources of water contamination remain unclear, which is an important gap that must be addressed in future research. Two main kinds of decontamination methods have been reported, including degradation and adsorption. The best degradation rates were observed using gamma and UV irradiations, oxidoreductases and ozone, while the best adsorption abilities were observed with minerals, polyvinyl alcohol, durian peel and activated carbon. Synthetic polymers could be used as membranes in pipes to remove aflatoxins in water flows. Although most decontamination methods were screened using AFB1, the other commonly found aflatoxins were not used in the screenings. Overall, the occurrence of aflatoxins in water could be a significant emerging public health concern largely ignored by local and interna-tional legislation. Numerous advances have been reported for the decontamination of aflatoxins in water; however, there is still a long way to go to put them into practice.

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