Determination of 5 natural selenium species in selenium-enriched bamboo shoots using LC-ICP-MS

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• 作者：Zhanglin Ni (1)
  Yihua Liu (1)
  Minhua Qu (1)
  
• 关键词：selenium species ; selenium ; enriched ; bamboo shoot ; LC ; ICP ; MS
• 刊名：Food Science and Biotechnology
• 出版年：2014
• 出版时间：August 2014
• 年：2014
• 卷：23
• 期：4
• 页码：1049-1053
• 全文大小：287 KB
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• 作者单位：Zhanglin Ni (1)
  Yihua Liu (1)
  Minhua Qu (1)
  
  1. Research Institute of Subtropical Forestry, Chinese Academy of Forestry, Fuyang, Zhejiang, 311400, China
  
• ISSN：2092-6456

文摘

A method for simultaneous determination of the selenium species methylselenocysteine (MeSeCys), selenocysteine (SeCys2), selenite (SeIV), selenomethionine (SeMet), and selenates (SeVI) in natural selenium-enriched bamboo shoots was developed. Samples were extracted using sonication with a solution of pepsin. Different selenium species were separated using an anion exchange column with isocratic elution and a citric acid mobile phase at pH 4.7. Separated selenium species were detected as 80Se using inductively coupled plasma mass spectrometry (ICPMS) in dynamic reaction cell (DRC) gas mode. The method achieved acceptable quantitative recoveries of 73.9 to 113.4% with relative standard deviations of 2, Se, MeSeCys, SeMet, and Se, respectively. The method was simple, rapid, accurate, and useful for determination of selenium species in natural selenium enriched bamboo shoots.