Determination of Chiral Diniconazole in Tenebrio molitor by Solid Phase Extraction and High Performance Liquid Chromatography-Tandem Mass Spectrometry

doi:10.7506/spkx1002-6630-201402028

FOOD SCIENCE ›› 2014, Vol. 35 ›› Issue (2): 154-157.doi: 10.7506/spkx1002-6630-201402028

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Determination of Chiral Diniconazole in Tenebrio molitor by Solid Phase Extraction and High Performance Liquid Chromatography-Tandem Mass Spectrometry

LIU Chen1,2, ZHU Wen-xue1, QU Hao-yang1, LI Jian-zhong2, WANG Hui-li2, GUO Bao-yuan1,2,*

1. College of Food and Bioengineering, Henan University of Science and Technology, Luoyang 471003, China;
2. Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China

Received:2013-04-08 Revised:2013-12-05 Online:2014-01-25 Published:2014-02-19
Contact: GUO Bao-yuan E-mail:guoby@rcees.ac.cn

Abstract

Abstract:

A method for analysis of chiral diniconazole in Tenebrio molitor using solid phase extraction and high performance
liquid chromatography-tandem mass spectrometry (SPE-HPLC-MS-MS) was developed. Sample purification and HPLC-MS-MS
conditions were optimized. Acetonitrile extracts of samples were degreased with acetonitrile by liquid-liquid partition and cleaned
up using a Florisil solid phase extraction cartridge before analysis by HPLC-MS-MS in the multiple reaction monitoring (MRM)
mode. The limit of detection of this method was found to be 0.002 mg/kg. The recoveries were in the range of 97.22% to 101.31%,
with RSD less than 3%. This method has the advantages of easy operation, good separation, high sensitivity and precision. It is
suitable to determine diniconazole residues in Tenebrio molitor and other insects.

Key words: diniconazole, Tenebrio molitor, chiral, solid phase extraction (SPE), high-performance liquid chromatographytandem mass spectrometry (HPLC-MS-MS)

CLC Number:

TQ455.4

LIU Chen1,2, ZHU Wen-xue1, QU Hao-yang1, LI Jian-zhong2, WANG Hui-li2, GUO Bao-yuan1,2,*. Determination of Chiral Diniconazole in Tenebrio molitor by Solid Phase Extraction and High Performance Liquid Chromatography-Tandem Mass Spectrometry[J]. FOOD SCIENCE, 2014, 35(2): 154-157.

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Determination of Chiral Diniconazole in Tenebrio molitor by Solid Phase Extraction and High Performance Liquid Chromatography-Tandem Mass Spectrometry

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