Determination of Trace Elements in Camellia Oil by Vortex-Assisted Extraction Followed by Inductively Coupled Plasma Mass Spectrometry

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• 作者：Zhanglin Ni ; Fubin Tang ; Qing Yu ; Zhikun Wang
• 关键词：ICP ; MS ; Multielemental ; Vortex ; assisted extraction ; Camellia oil
• 刊名：Food Analytical Methods
• 出版年：2016
• 出版时间：May 2016
• 年：2016
• 卷：9
• 期：5
• 页码：1134-1141
• 全文大小：424 KB
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• 作者单位：Zhanglin Ni (1)
  Fubin Tang (1)
  Qing Yu (1)
  Zhikun Wang (2)
  
  1. Research Institute of Subtropical Forestry, Chinese Academy of Forestry, No. 73 Daqiao Street, Fuyang, Zhejiang, 311400, People’s Republic of China
  2. College of Science, Zhejiang Agriculture and Forestry University, No. 88 Huanchengbei road, Lin’an, Zhejiang, 311300, People’s Republic of China
  
• 刊物类别：Chemistry and Materials Science
• 刊物主题：Chemistry
  Food Science
  Chemistry
  Microbiology
  Analytical Chemistry
  
• 出版者：Springer New York
• ISSN：1936-976X

文摘

A simple vortex-assisted liquid–liquid extraction protocol followed by ICP-MS has been developed for the determination of nine elements (Cr, Mn, Fe, Ni, Cu, As, Zn, Cd, and Pb) in camellia oil samples. The key parameters affecting the extraction efficiency (extraction solvent characteristics, extraction time, and solvent/oil ratio) were carefully examined and optimized. Optimum results were obtained when 5 g of oil sample was used followed by vortex-assisted extraction for 20 min with 10 mL of 10 % HNO₃ (v/v). Detection limits ranging from 0.03 to 1 μg L−1 and relative standard deviation lower than 6 % were obtained. The accuracy of the method was assessed by spiking experiments and comparison of the results from the extraction procedure with those obtained from microwave-assisted digestion of the samples. The recoveries were in the range of 84.3~102.3 %. No statistical differences, based on t test at a confidence level of 95 %, were detected. The proposed method was found to be simple, fast, and accurate when applied to camellia seed oil samples and has great potential in quantitatively detecting elements in various oils.