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Co-contamination and interactions of multiple mycotoxins and heavy metals in rice, maize, soybeans, and wheat flour marketed in Shanghai City

文献类型： 外文期刊

作者： Zhu, Zuoyin 1 ; Guo, Wenbo 1 ; Cheng, Haisheng 1 ; Zhao, Hanke 1 ; Wang, Jie 1 ; Abdallah, Mohamed F. 3 ; Zhou, Xinli 2 ; Lei, Hulong 5 ; Tu, Weilong 5 ; Wang, Hongyang 5 ; Yang, Junhua 1 ;

作者机构： 1.Shanghai Acad Agr Sci, Inst Agrofood Stand & Testing Technol, Shanghai 201403, Peoples R China

2.Univ Shanghai Sci & Technol, Sch Hlth Sci & Engn, Shanghai 200093, Peoples R China

3.Univ Ghent, Fac Biosci Engn, Dept Food Technol Safety & Hlth, Ghent, Belgium

4.Univ Mons, Fac Med & Pharm, Lab Human Biol & Toxicol, Mons, Belgium

5.Shanghai Acad Agr Sci, Inst Anim Sci & Vet Med, Shanghai 201106, Peoples R China

关键词： Grains and grain products; Mycotoxins; Heavy metals; Combined contamination; Interactivity analysis

期刊名称：JOURNAL OF HAZARDOUS MATERIALS （ 影响因子：12.2； 五年影响因子：11.9 ）

ISSN： 0304-3894

年卷期： 2024 年 474 卷

页码：

收录情况： SCI

摘要： Mycotoxins and heavy metals extensively contaminate grains and grain products, posing severe health risks. This work implements validated ultra -performance liquid chromatography -tandem mass spectrometry (UPLC-MS/ MS) and inductively coupled plasma mass spectrometry (ICP-MS) methods to quantify the concentration of 12 mycotoxins and five heavy metals in rice, maize, soybeans, and wheat flour samples marketed in Shanghai. The mixed contamination characteristics were analyzed using correlation cluster analysis and co -contamination index, and the probabilities of all cross combinations of contaminations were analyzed using a self -designed JAVA language program. The results showed that grains and grain products were frequently contaminated with both mycotoxins and heavy metals, mostly with deoxynivalenol (DON), 3-acetyl-deoxynivalenol (3-ADON), 15-acetyl-deoxynivalenol (15-ADON), ochratoxin A (OTA), aflatoxins, fumonisin B1 (FB1), fumonisin B2 (FB2), fumonisin B3 (FB3), arsenic (As), chromium (Cr) and cadmium (Cd). All the samples (100 %) were contaminated with two or more contaminants, and 77.3 % of the samples were co -contaminated with more than four contaminants. In cereals and cereal products, the following combinations were closely associated: (FB3 +3-ADON), (FB1 +As), (FB1 +FB2), (DON +FB1), (DON +Cd), (As +Cd), (DON +Cd +As), (FB1 +FB2 +As), and (DON +3- ADON +15-ADON). The results indicated that mycotoxins and heavy metals frequently co-occurred in Shanghai grains and grain products, and they provided primary data for safety assessments, early warnings, and regulatory measures on these contaminants to protect public health.

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