One-factor-at-a-time method combined with ICP-MS for determining 11 elements in soy sauce and their migration from the containing glass bottles

IF 3.6 3区化学 Q2 CHEMISTRY, ANALYTICAL

Reviews in Analytical Chemistry Pub Date : 2021-12-20 DOI:10.1515/revac-2022-0031

Xun Gao, Kexin Chen, Yue Zhang, Miaomiao Chi

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引用次数: 5

Abstract

Abstract This study was designed to determine the 11 metal elements (Al, Cr, Mn, Fe, As, Ni, Cu, Zn, Cd, Sb, and Pb) in soy sauce and their migration from the containing glass bottles. Inductively coupled plasma mass spectrometry (ICP-MS) was applied for the determination of the elements and one-factor-at-a-time method was employed for optimizing the ICP-MS parameters in migration experiment and microwave digestion experiment. The developed method was successfully applied to determine the content of 11 elements. The results showed that the experiment had excellent correlation and sensitivity. The accuracy of the elements in the migration study and test of soy sauce itself ranging from 84.25% to 118.75% was satisfied, and the precision of the method was validated and the RSD was no more than 15.5%. The concentration of all the detected metal elements migrated from the glass bottles were between 0.3450 and 2.398 ng·mL−1, and the risk assessment indicated that the metal elements in soy sauce had no risk to the public health. The proposed methodology in this study was successfully applied for the quality control for metal elements in soy sauce and the containing glass bottles for the first time, and a research method suitable for soy sauce consumption process control and risk assessment has been established.

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结合电感耦合等离子体质谱法测定酱油中11种元素及其从玻璃瓶中的迁移量

摘要本研究旨在测定酱油中的11种金属元素(Al、Cr、Mn、Fe、As、Ni、Cu、Zn、Cd、Sb和Pb)及其在玻璃瓶中的迁移量。采用电感耦合等离子体质谱法(ICP-MS)测定元素，并采用单因素法优化迁移实验和微波消解实验的ICP-MS参数。该方法成功地测定了11种元素的含量。结果表明，该实验具有良好的相关性和灵敏度。酱油本身迁移研究和测试中元素的准确度在84.25% ~ 118.75%之间，验证了方法的精密度，RSD不大于15.5%。所有从玻璃瓶中迁移出来的金属元素的检测浓度均在0.3450 ~ 2.398 ng·mL−1之间，风险评价表明酱油中的金属元素对公众健康没有风险。本研究方法首次成功应用于酱油及玻璃瓶中金属元素的质量控制，建立了适用于酱油消费过程控制和风险评价的研究方法。

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来源期刊

Reviews in Analytical Chemistry 化学-分析化学

CiteScore

7.50

自引率

0.00%

发文量

审稿时长

>12 weeks

期刊介绍： Reviews in Analytical Chemistry publishes authoritative reviews by leading experts in the dynamic field of chemical analysis. The subjects can encompass all branches of modern analytical chemistry such as spectroscopy, chromatography, mass spectrometry, electrochemistry and trace analysis and their applications to areas such as environmental control, pharmaceutical industry, automation and other relevant areas. Review articles bring the expert up to date in a concise manner and provide researchers an overview of new techniques and methods.