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Evaluation of the underestimation of citrinin content in Hongqu using hydrolysis treatments and UPLC-FLD

文献类型： 外文期刊

作者： Hou, Yaqi 1 ; Liu, Jiao 1 ; Shao, Yanchun 2 ; Peng, Xitian 1 ; Zhang, Dawen 4 ; Hu, Lifang 4 ; Chen, Fusheng 2 ; Zhou, Yo 1 ;

作者机构： 1.Hubei Acad Agr Sci, Inst Qual Stand & Testing Technol Agroprod, Wuhan 430064, Hubei, Peoples R China

2.Huazhong Agr Univ, Coll Food Sci & Technol, Wuhan 430070, Hubei, Peoples R China

3.Hubei Key Lab Nutr Qual & Safety Agroprod, Wuhan 430064, Hubei, Peoples R China

4.Minist Agr & Rural Affairs, Lab Qual & Safe Risk Assessment Agroprod Wuhan, Wuhan 430064, Hubei, Peoples R China

5.Jiangxi Acad Agr Sci, Inst Qual & Safety & Stand Agr Prod Res, Nanchang 330200, Jiangxi, Peoples R China

关键词： Citrinin; Modified citrinin; Hongqu; Acid hydrolysis-UPLC-FLD; Method optimization

期刊名称：FOOD CONTROL （ 影响因子：5.548； 五年影响因子：5.498 ）

ISSN： 0956-7135

年卷期： 2021 年 130 卷

页码：

收录情况： SCI

摘要： Modified mycotoxins can cause an underestimation of exposure risk due to their untraceable characteristics. Hongqu, a traditional Chinese fermented product, is widely used as food colorants, fermenters and functional foods for about 2000 years. Though there were several methods to reduce citrinin (CIT) content in Hongqu, the risk assessment and prevention of modified CIT remain inadequate, causing potential risk to human health. The current study firstly identified the occurrence of modified CIT in Hongqu via acid, alkaline and enzyme hydrolysis combined with chromatographic and mass spectrometric approaches. Then 8 Hongqu samples and 5 Monascus products were treated using the optimized acid hydrolysis method and analyzed by ultra-high-performance liquid chromatography with fluorescence detector. The results showed that CIT content in the CIT positive Hongqu increased by 35.28%-458.13% after acid hydrolysis, demonstrating there could be a underestimation risk in the CIT positive Hongqu samples, and the modification of CIT might not be chemical modified, but matrix associated.

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