Potential of a simple mechanical extraction system for the rapid extraction of pesticides from foodstuffs. Application to the determination of organochlorine pesticides in lettuce.
J Agric Food Chem
; 47(7): 2729-32, 1999 Jul.
Article
em En
| MEDLINE
| ID: mdl-10552554
ABSTRACT
The efficiency of a simple mechanical extraction system as applied in veterinary drug analysis has been tested in the field of pesticide residue analysis. As a first application, the system was used for the extraction of organochlorine pesticides from vegetables. The convenience of this simple extraction system consists of performing mechanical extraction in disposable polyethylene-based extraction bags, reducing considerably manual operation and cross-contamination. For the tested compounds and matrix (lettuce), recoveries of the 10 organochlorine pesticides performed at two spiking levels (n = 4 each level and compound) ranging between 0.06 and 3.3 mg/kg were between 60 and 80%, with most standard deviations <5%. The extraction method appeared to be simple and fast with a great potential for the analysis of many pesticide-matrix combinations.
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Coleções:
01-internacional
Base de dados:
MEDLINE
Assunto principal:
Lactuca
/
Hidrocarbonetos Clorados
/
Inseticidas
Idioma:
En
Ano de publicação:
1999
Tipo de documento:
Article