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Prediction models for monitoring selenium and its associated heavy-metal accumulation in four kinds of agro-foods in seleniferous area

文献类型： 外文期刊

作者： Jiao, Linshu 1 ; Zhang, Liuquan 1 ; Zhang, Yongzhu 1 ; Wang, Ran 1 ; Liu, Xianjin 1 ; Lu, Baiyi 1 ;

作者机构： 1.Jiangsu Acad Agr Sci, Inst Food Safety & Nutr, Jiangsu Key Lab Food Qual & Safety, State Key Lab Cultivat Base,Minist Sci & Technol, Nanjing, Peoples R China

2.Zhejiang Univ, Coll Biosyst Engn & Food Sci, Key Lab Qual & Safety Risk Assessment Agroprod Sto, Key Lab Qual Evaluat & Hlth Benefit Agroprod,Minis, Hangzhou, Peoples R China

关键词： Se-rich agro-food; selenium; metals; metals accumulation; prediction model

期刊名称：FRONTIERS IN NUTRITION （ 影响因子：6.59； 五年影响因子：6.873 ）

ISSN： 2296-861X

年卷期： 2022 年 9 卷

页码：

收录情况： SCI

摘要： Se-rich agro-foods are effective Se supplements for Se-deficient people, but the associated metals have potential risks to human health. Factors affecting the accumulation of Se and its associated metals in Se-rich agro-foods were obscure, and the prediction models for the accumulation of Se and its associated metals have not been established. In this study, 661 samples of Se-rich rice, garlic, black fungus, and eggs, four typical Se-rich agro-foods in China, and soil, matrix, feed, irrigation, and feeding water were collected and analyzed. The major associated metal for Se-rich rice and garlic was Cd, and that for Se-rich black fungus and egg was Cr. Se and its associated metal contents in Se-rich agro-foods were positively correlated with Se and metal contents in soil, matrix, feed, and matrix organic contents. The Se and Cd contents in Se-rich rice grain and garlic were positively and negatively correlated with soil pH, respectively. Eight models for predicting the content of Se and its main associated metals in Se-rich rice, garlic, black fungus, and eggs were established by multiple linear regression. The accuracy of the constructed models was further validated with blind samples. In summary, this study revealed the main associated metals, factors, and prediction models for Se and metal accumulation in four kinds of Se-rich agro-foods, thus helpful in producing high-quality and healthy Se-rich.

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