| 高效液相色谱-电感耦合等离子体质谱法测定保健食品类袋泡茶中5种砷形态 |
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| 引用本文： | 李晓玉,刘丽萍,陈绍占. 高效液相色谱-电感耦合等离子体质谱法测定保健食品类袋泡茶中5种砷形态[J]. 中国食品卫生杂志, 2018, 30(5): 491-496 |
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| 作者姓名： | 李晓玉 刘丽萍 陈绍占 |
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| 作者单位： | 首都医科大学公共卫生学院;北京市疾病预防控制中心食物中毒诊断溯源技术北京市重点实验室;北京市预防医学研究中心 |
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| 摘 要： | 目的采用高效液相色谱-电感耦合等离子体质谱(HPLC-ICP/MS)联用技术建立保健食品类袋泡茶浸泡液中亚砷酸根[As(Ⅲ)]、砷酸根[As(Ⅴ)]、一甲基砷酸(MMA)、二甲基砷酸(DMA)和砷甜菜碱(AsB)5种砷形态的分析方法。方法样品经热浸提后,采用Dionex IonPac AS19(4 mm×250 mm,10μm)阴离子交换柱,30 mmol/L碳酸铵(pH=9.5)为流动相等度洗脱,10 min内进行5种砷形态的分析测定。结果 5种砷形态的浓度在0.2～300μg/L范围内线性良好,相关系数(r)均0.999,检出限为0.04～0.08μg/L,采用精密度考察方法重复性,相对标准偏差(RSD)均5%,加标回收率在80.3%～121.1%之间。结论本方法适用于保健食品类袋泡茶浸泡液中砷形态的测定,试验表明保健食品类袋泡茶中砷形态主要以As(Ⅲ)和As(Ⅴ)为主,应关注其无机砷的风险性。
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| 关 键 词： | 高效液相色谱-电感耦合等离子体质谱 砷形态 袋泡茶 保健食品 检测 |
| 收稿时间： | 2018-05-15 |
Determination of five arsenic species in the soaking solution of healthy food teabag by high performance liquid chromatography-inductively coupled plasma mass spectrometry |
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| LI Xiaoyu,LIU Liping and CHEN Shaozhan. Determination of five arsenic species in the soaking solution of healthy food teabag by high performance liquid chromatography-inductively coupled plasma mass spectrometry[J]. Chinese Journal of Food Hygiene, 2018, 30(5): 491-496 |
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| Authors: | LI Xiaoyu LIU Liping CHEN Shaozhan |
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| Affiliation: | School of Public Health, Capital Medical University, Beijing 100069, China;Beijing Key Laboratory of Diagnostic and Traceability Technologies for Food Poisoning, Beijing Center for Disease Prevention and Control, Beijing 100013, China;Beijing Center for Preventive Medicine Research, Beijing 100013, China,School of Public Health, Capital Medical University, Beijing 100069, China;Beijing Key Laboratory of Diagnostic and Traceability Technologies for Food Poisoning, Beijing Center for Disease Prevention and Control, Beijing 100013, China;Beijing Center for Preventive Medicine Research, Beijing 100013, China and Beijing Key Laboratory of Diagnostic and Traceability Technologies for Food Poisoning, Beijing Center for Disease Prevention and Control, Beijing 100013, China;Beijing Center for Preventive Medicine Research, Beijing 100013, China |
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| Abstract: | |
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| Keywords: | High performance liquid chromatography-inductively coupled plasma mass spectrometry arsenic species teabag healthy foods test |
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