alexa Determination of 15 Mycotoxins in Foods and Feeds Using
ISSN: 2157-7064

Journal of Chromatography & Separation Techniques
Open Access

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Research Article

Determination of 15 Mycotoxins in Foods and Feeds Using High Performance Liquid Chromatography-Tandem Mass Spectrometry with Gel Permeation Chromatography Combined QuEChERS Purification

Xiaoming Gong1, Hongbing Wang2, Yibing Zhang1, Jun Sun1, Jing Dong1, Liming Lin2, Jinling Yu1, Zhang Feng3 and Kai Li1*

1Weifang Entry-Exit Inspection and Quarantine Bureau, Weifang, Shandong, P.R.China

2Shandong Entry-Exit Inspection and Quarantine Bureau, Qingdao, Shandong, P.R. China

3Chinese Academy of Inspection and Quarantine, Beijing, P. R. China

*Corresponding Author:
Dr. Kai Li
Weifang Entry-Exit Inspection and Quarantine Bureau
Weifang, Shandong
39 Siping Road, P. R. China, 261041
Tel: +86- 5368582593
E-mail: [email protected]<./

Received date: February 23, 2012; Accepted date: May 09, 2012; Published date: May 11, 2012

Citation: Gong X, Wang H, Zhang Y, Sun J, Dong J, et al. (2012) Determination of 15 Mycotoxins in Foods and Feeds Using High Performance Liquid Chromatography- Tandem Mass Spectrometry with Gel Permeation Chromatography Combined QuEChERS Purification. J Chromat Separation Techniq 3:125. doi:10.4172/2157-7064.1000125

Copyright: © 2012 Gong X, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

 

Abstract

A reliable, sensitive and selective method was successfully developed to determine 15 different mycotoxins simultaneously in foods and feeds. In this method, the homogenized sample was first treated with gel permeation chromatography (GPC) to eliminate most of coextracts, such as pigments, lipids and waxes. A quick, easy, cheap, effective, rugged, and safe (QuEChERS) method was then carried out as a further cleaned up step, during which the polar interfering compounds such as organic acids and sugars were removed by vortexing with ODS in acetonitrile phase. Using double sample injection method, the analytes were separated by ZORBAX Eclipse plus C18 (1.8 µm, 2.1×100 mm) and detected by a MS/MS system with electrospray ionization (ESI) at multi-reaction monitoring (MRM) mode. The result indicated that the LOD of 15 mycotoxins were ranged from 0.07~5.0 µg/kg. Meanwhile, high correlation coefficients (r2 >0.996) of 15 mycotoxins were obtained within their respective linear ranges. The average recoveries for lower, intermediate, and high spiked levels ranged from 80.1%~95.5% in company with RSD ranged from 10.5%~19.6%. The method not only represents many advantages including simple pre-treatment, good purification and high sensitivity, but also successfully fit the minimum limiting level requests from various countries including EU, USA and Japan.

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