FOOD SCIENCE ›› 2010, Vol. 31 ›› Issue (6): 235-238.doi: 10.7506/spkx1002-6630-201006056

• Analysis & Detection • Previous Articles     Next Articles

Determination of Melamine Residue in Edible Fungi by Solid Phase Extraction and High Performance Liquid Chromatography

WANG Deng-fei,HUANG Zhi-hui,ZHENG Jun-chao,CHEN Lian-hong,WANG Rui-long   

  1. (Zhangzhou Entry-Exit Inspection and Quarantine Bureau, Zhangzhou 363000, China)
  • Received:2009-04-07 Revised:2009-10-22 Online:2010-03-15 Published:2010-12-29
  • Contact: WANG Deng-fei E-mail:wdf117@sohu.com

Abstract:

A novel method based on solid phase extraction followed by high performance liquid chromatography (HPLC) was developed for the analysis of melamine residue in edible fungi. Samples were extracted with a mixed system composed of trichloroacetic acid and acetonitrile (3:1, V/V), cleaned up on mixed-mode SPE column and filtrated through 0.45 μm pore size membrane prior to analysis using a HPLC system equipped with PAD. Melamine was quantified by external standard method. The method exhibited a limit of detection of 2.0 mg/kg and a spike recovery range of 81.3% to 91.7% at three levels, with relative standard deviations (RSDs) of not more than 5.6%. The method proves to be most suitable for the determination of melamine residue in edible fungi.

Key words: solid phase extraction, aquatic products, melamine, residue

CLC Number: