Organochlorine Pesticide Residues in Italian Citrus Essential Oils, 1991−1996
- 23 February 2000
- journal article
- Published by American Chemical Society (ACS) in Journal of Agricultural and Food Chemistry
- Vol. 48 (3) , 797-801
- https://doi.org/10.1021/jf990331z
Abstract
Organochlorine pesticide contamination in 148 lemon essential oils, 123 sweet orange oils, 121 mandarin oils, and 147 bergamot oils produced in Italy in the years 1991−1996 was studied by HRGC-ECD. Confirmation analyses were carried out by GC-MS. Tetradifon, dicofol and its decomposition product 4,4‘-dichlorobenzophenone were found. Over the course of the study dicofol and tetradifon residues steadily decreased; the percentage of contaminated samples reflects this course and decreases considerably from 1991 to 1996. Keywords: Essential oils; organochlorine insecticides; gas chromatographyKeywords
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