Sterigmatocystin in rice through LC-MS/MS: Longitudinal study on contamination, health risks and residual patterns in China

文献类型： 外文期刊

第一作者： Zhao, Yarong

作者： Zhao, Yarong;Zeng, Rui;Chen, Peirong;Xu, Kaihang;Huang, Xiaomei;Zhao, Yarong;Zeng, Rui;Chen, Peirong;Xu, Kaihang;Huang, Xiaomei;Wang, Lan;Wu, Aibo

作者机构：

关键词： Sterigmatocystin; Food safety; Risk assessment; Rice processing; HPLC-MS/MS

期刊名称：FOOD CHEMISTRY （ 影响因子：9.8； 五年影响因子：9.7 ）

ISSN： 0308-8146

年卷期： 2025 年 487 卷

页码：

收录情况： SCI

摘要： The study explored contamination characteristics, spatial distribution, varietal and seasonal differences, health risks, processing effects on STC residues, and the relationship between aflatoxin B1 (AFB1) and STC. A total of 1032 rice samples from 17 Chinese provinces were processed into brown and polished rice and analyzed using LC-MS/MS. Rice showed widespread STC pollution, with a maximum concentration of 23.8 mu g/kg, and significant regional variations. Indica rice was more susceptible to STC than japonica rice, while the planting season had minimal impact. Risk assessment showed acceptable health risks overall, although high consumers faced potential threats. Hulling and polishing reduced STC levels, but residues remained in highly contaminated samples. The correlation between AFB1 and STC underscores the need for vigilance in monitoring and control. This research provides a scientific basis for food safety control measures.

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