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Environ Health Insights. 2017 Apr 18;11:1178630217704194. doi: 10.1177/1178630217704194. eCollection 2017.

Pesticide Residues in Commercial Lettuce, Onion, and Potato Samples From Bolivia-A Threat to Public Health?.

Environmental health insights

Marlene Skovgaard, Susana Renjel Encinas, Olaf Chresten Jensen, Jens Hinge Andersen, Guido Condarco, Erik Jørs

Affiliations

  1. Fundación Plagbol, La Paz, Bolivia.
  2. Dialogos, Copenhagen, Denmark.
  3. Centre of Maritime Health and Society, University of Southern Denmark, Esbjerg, Denmark.
  4. National Food Institute, Technical University of Denmark, Søborg, Denmark.
  5. Department of Occupational and Environmental Medicine, Odense University Hospital, Odense, Denmark.

PMID: 28469451 PMCID: PMC5400016 DOI: 10.1177/1178630217704194

Abstract

Bolivia does not have a surveillance program for pesticide residues in food. The few published studies have suggested that pesticide contamination in food may present a public health problem. Data are lacking for all foods except tomatoes and breast milk. In this study 10 potato, 10 onion, and 10 lettuce samples from La Paz were sampled on August 15, 2015 at a local market and screened for 283 pesticides. Residues of cypermethrin, chlorpyrifos, difenoconazol, or/and λ-cyhalothrin were detected in 50% of the lettuce samples, whereas no pesticides were found in potatoes and onions. In 20% of the lettuce samples, the measurements were above the maximum residue limits, and 2 or 3 pesticides were identified simultaneously. Washing almost halved the pesticide levels, but still 20% of the samples showed measurements above the limits. No samples contained concentrations of pesticides which alone or together would lead to exposures that exceeded the acceptable daily intake or the acute reference dose. To protect consumers from pesticide poisonings and chronic effects, the development of measures for prevention, control, and monitoring of food contamination by pesticides in Bolivia is suggested.

Keywords: Bolivia; Environmental exposure/analysis; consumer product safety; gas chromatography-mass spectrometry; pesticide residues/analysis; vegetables/chemistry

Conflict of interest statement

DECLARATION OF CONFLICTING INTERESTS: The author(s) declared no potential conflicts of interest with respect to the research, authorship, and/or publication of this article. Disclosures and Ethics As

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