[Pesticides in the diet: adding pieces to the puzzle].
OBJECTIVE
To improve information on exposure to pesticides through diet in Spain by reporting the results on 88 pesticide parameters in 1,109 food samples obtained between 1998 and 2003 as part of the Barcelona program for research on the health quality of foods.


METHODS
The results are presented by food groups. For fruits and vegetables, the results were compared with those for the previous period. Statistical comparisons were performed using the chi2 test.


RESULTS
Of the 1,109 samples, 116 were positive for pesticides (10.5%). Persistent chlorinated compounds were detected in 1.5% and other compounds were found in 14.4%. Positive results were concentrated in fruits, vegetables, spices, cereals and their derivatives. There were no positive results among vegetable oils, eggs or fish products, and almost none in dairy products and meats. Fruits contained the greatest number of pesticides but none were persistent. Vegetables contained fewer pesticides, but some of these were persistent chlorinated compounds. Comparison of the results for fruits and vegetables with those of the 1989-97 period revealed no significant trends.


CONCLUSIONS
Although a considerable number of samples contained pesticides, most of these were not persistent chlorinated compounds. The number of pesticides in fruits was notable.
Vicente
Angel
A
Servei d'Epidemiologia i Investigació Clínica, Fundació Joan Costa-Roma, Consorci Sanitari de Terrassa, Terrassa, Barcelona, Spain.
Arqués
Josep F
JF
Villalbí
Joan R
JR
Centrich
Francesc
F
Serrahima
Eulàlia
E
Llebaria
Xavier
X
Casas
Conrad
C
D005506:Food Contamination / Q000032:analysis*; D006801:Humans; D010575:Pesticides / Q000032:analysis*; D013030:Spain
D010575:Pesticides