Organochlorine pesticides, brominated flame retardants, synthetic musks and polycyclic aromatic hydrocarbons in shrimps. An overview of occurrence and its implication on human exposure

Maria Luz Maia, Sara Sousa, Maria Luísa Correia-Sá, Cristina Delerue-Matos, Conceição Calhau, Valentina Fernandes Domingues

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Abstract

Shrimps are widely distributed in coastal areas, estuaries and rivers. Although this shellfish is a good source of nutrients, it can also accumulate environmental contaminants, such as organochlorine pesticides (OCPs), brominated flame retardants (BFRs), synthetic musks (SMs) and polycyclic aromatic hydrocarbons (PAHs). Due to their bioaccumulative properties, these pollutants are endocrine disruptors. In this review, an overview of the world's shrimp market, pollutants legislation and values found in shrimp samples will be discussed. Shrimps analysed from all continents showed the presence of contaminants, Asia being the continent with the highest values reported. The concentration values reached a maximum of 26100 ng/g wet weight (ww) for OCPs, of 226.45 ng/g ww for BFRs, of 12.1 ng/g ww for SMs and of 50650 ng/g ww for PAHs. Exposure data and risk, taken from different studies, are very variable and indicate that shrimp's consumption may represent a risk especially in certain geographic areas.

Original languageEnglish
Article numbere04870
JournalHeliyon
Volume6
Issue number9
DOIs
Publication statusPublished - Sep 2020

Keywords

  • Analytical chemistry in food science
  • Aquatic environment
  • Chemical characterization of food
  • Endocrine disruptors
  • Environmental assessment
  • Environmental chemistry
  • Environmental hazard
  • Pollutants
  • Risk assessment
  • Shrimp
  • Water pollution

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