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The fate of Alternaria toxin tenuazonic acid (TeA) during the processing chain of wheat flour products and risk control strategies for mycotoxins

文献类型： 外文期刊

作者： Ji, Xiaofeng 1 ; He, Yeyu 1 ; Xiao, Yingping 1 ; Liang, Ying 2 ; Lyu, Wentao 1 ; Yang, Hua 1 ;

作者机构： 1.Zhejiang Acad Agr Sci, Inst Agroprod Safety & Nutr, State Key Lab Managing Biot & Chem Threats Qual &, Hangzhou 310021, Zhejiang, Peoples R China

2.Jiangsu Acad Agr Sci, Inst Food Safety & Nutr, Key Lab Food Qual & Safety Jiangsu Prov, Nanjing 210014, Jiangsu, Peoples R China

关键词： Mycotoxins; Tenuazonic acid; Wheat grain; Flour; Risk assessment; Food safety

期刊名称：FOOD RESEARCH INTERNATIONAL （ 影响因子：7.0； 五年影响因子：7.4 ）

ISSN： 0963-9969

年卷期： 2024 年 194 卷

页码：

收录情况： SCI

摘要： The fate of Alternaria toxin tenuazonic acid (TeA) during the processing chain of wheat flour products was systemically evaluated. TeA was analyzed by liquid chromatography-mass spectrometry (LC-MS/MS) in wheat grains and the corresponding wheat flour products produced throughout the whole chain. The results indicated that TeA contamination in wheat grains largely determines the level of TeA toxin present in byproducts, semifinished products, and finished products of the processing of four types of simulated processed wheat flour products (e.g., dry noodles, steamed breads, baked breads, and biscuits). The different food processing techniques had different effects on the fate of TeA. Wheat flour processing can reduce the TeA content in wheat grains by 58.7-83.2 %, indicating that wheat flour processing is a key step in reducing the TeA content in the food chain. Among the four types of wheat flour products, the decreases in TeA content in biscuits (69.8-76.7 %) were greater than those in dry noodles (15.5-22.3 %) and steamed breads (24.9-43.6 %). In addition, the decreasing effect of TeA was especially obvious in the wheat flour product chain with a high level of contamination. The processing factors (PFs) for TeA were as low as 0.20 for the four wheat processing methods and as high as 1.24 for the dry noodle processing method. At the average and 95th percentiles, dietary exposure to TeA in Chinese consumers including infants and young children did not exceed the relevant threshold value of toxicological concern (TTC) of TeA (1.5 mu g/kg body weight per day), indicating an acceptable health risk for Chinese consumers via wheat flour products. These findings provide new insight into the fate of TeA in the food chain and mycotoxin control on the safety of wheat flour products and public health.

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