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Imidacloprid Residues in Fruits, Vegetables and Water Samples From Palestine

Imidacloprid Residues in Fruits, Vegetables and Water Samples From Palestine

Ayman Daraghmeh, Amjad Shraim, Sameer Abulhaj, Ramzi Sansour, Jack C Ng

Environ Geochem Health. 2007 Feb;29(1):45-50.

PMID: 17131080

Abstract:

The aim of this work was to report on imidacloprid [IUPAC name 1-(6-chloro-3-pyridylmethyl)-N-nitroimidazolidin-2-ylideneamine] residues in some vegetables, fruits, and water samples collected from the West Bank, Palestine, in 1998 and 1999. Imidacloprid and its derivatives in the study samples were extracted by methanol/water and oxidized into 6-chloronicotinic acid and subsequently derivatized into 6-chloronicotinic acid trimethylsilyl ester before being determined by GC/MS. Imidacloprid residues were detected in more than half of the analyzed samples. The highest and lowest imidacloprid concentrations were found in eggplant (0.46 mg/kg) and green beans (0.08 mg/kg), respectively. An increase of 11-120% in imidacloprid concentration in the 1999 samples was observed when compared with those of 1998. This may suggest imidacloprid accumulation in the soil and/or increased use by local farmers. The imidacloprid residue concentrations in several crops were found to exceed the CODEX maximum residue limit.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AP160430648	N-(6-Chloro-3-pyridylmethyl)-N-cyano-N-methylacetamidine		160430-64-8	Price

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