Determination of Imidaclprid Residue in Fruits by HPLC

doi:10.7506/spkx1002-6630-201106053

FOOD SCIENCE ›› 2011, Vol. 32 ›› Issue (6 ): 230-232.doi: 10.7506/spkx1002-6630-201106053

• Analysis & Detection • Previous Articles Next Articles

Determination of Imidaclprid Residue in Fruits by HPLC

HE Jin-lin1，ZHANG Zhi-hua2

1. Hezhou Dumex, Guangxi Entry-exit Inspection and Quarantine Bureau, Hezhou 542800, China；
2. Technology Center, Shanxi Entry-exit Inspection and Quarantine Bureau, Taiyuan 030024, China

Received:2010-05-10 Revised:2011-01-11 Online:2011-03-25 Published:2011-03-03

Abstract

Abstract: A high performance liquid chromatography (HPLC) method was developed to determine imidaclprid residue in fruits. Samples were extracted by the improved QuEChERS method using acetonitrile as the solvent and purified on C18/PSA column. The detection limit of this developed HPLC method was 0.05 mg/kg and the linear correlation coefficient of standard curve was 0.9988. Recovery rates for imidaclprid in spiked samples at 0.05, 0.1 mg/kg and 0.20 mg/kg was in the range of 92%－102% with a relative standard deviation varying from 5% to 11%. Therefore, this developed method is characteristics of rapid determination, high accuracy and sensitivity so that it is suitable for the detection of imidaclprid residue in fruits.

Key words: fruits, HPLC, imidaclprid

CLC Number:

HE Jin-lin1，ZHANG Zhi-hua2. Determination of Imidaclprid Residue in Fruits by HPLC[J]. FOOD SCIENCE, 2011, 32(6 ): 230-232.

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Determination of Imidaclprid Residue in Fruits by HPLC

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