Multi-residues Determination of 19 Organophosphorus Pesticides in Apple by Gas Chromatography

doi:10.7506/spkx1002-6630-200904035

FOOD SCIENCE ›› 2009, Vol. 30 ›› Issue (4): 174-177.doi: 10.7506/spkx1002-6630-200904035

Multi-residues Determination of 19 Organophosphorus Pesticides in Apple by Gas Chromatography

LIU Chuan-qin1，HUA Ri-mao1,*，BIAN Hong-zheng2，LUO Liang1，TANG Feng1，WU Xiang-wei1，
LI Xue-de1，CAO Hai-qun1，TANG jie1，TANG Jun1

(1. Key Laboratory for Agri-food Safety of Anhui Province, College of Resources and Environment, Anhui Agricultural University,
Hefei 230036, China ；2. Hefei Centre of Inspection and Testing for Agricultural Products, Ministry of Agriculture, Hefei
230031, China)

Received:2008-03-03 Revised:2008-09-26 Online:2009-02-15 Published:2010-12-29
Contact: HUA Ri-mao1,*， E-mail:rimaohua@ahau.edu.cn

Abstract

Abstract:

A rapid method was developed for the determination of 19 organophosphorus pesticides in apples. The sample was firstly extracted by ultrasonic with acetonitrile, and then the extracts were concentrated with rotary evaporator and determined by gas chromatography equipped with Flame Photometric Detector. The results showed that when the additive level of 19 organophosphorus pesticides is 0.05 mg/kg to 1.5 mg/kg, their average recoveries from apples are 73.4% to 123% with the relative standard deviation (RSD) of 0.34% to12.59%, the limits of detection (LODs) are 1.0 μg/L to 5.0 μg/L, and the limits of quantification (LQDs) are 3.3 μg/kg. This developed method can be used to determine organophosphorus pesticides in commercial fruit samples.

Key words: gas chromatography, organophosphorous pesticides, apple, residue analysis method

CLC Number:

TS207.5

LIU Chuan-qin1，HUA Ri-mao1,*，BIAN Hong-zheng2，LUO Liang1，TANG Feng1，WU Xiang-wei1，. Multi-residues Determination of 19 Organophosphorus Pesticides in Apple by Gas Chromatography[J]. FOOD SCIENCE, 2009, 30(4): 174-177.

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Multi-residues Determination of 19 Organophosphorus Pesticides in Apple by Gas Chromatography

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