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Human exposure assessment to macro- and trace elements in the most consumed edible seaweeds in Europe

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Abstract

Seaweed consumption has increased considerably in Europe as a result of new trends in food. The macroelement (Na, Ca, K, Mg) and trace element (B, Ba, Co, Cr, Cu, Fe, Li, Mn, Mo, Ni, Sr, V, Zn) levels in different species of edible brown seaweeds were determined by inductively coupled plasma optical emission spectrometry (ICP-OES). European Himanthalia elongata species had the highest recorded concentrations of K (57480 mg/kg dry weight). Asian Undaria pinnatifida species had the highest Fe content (58.8 mg/kg dw). Five grams/day of dehydrated seaweed of the Asian U. pinnatifida species mainly contributes to the admissible daily intake of Mg (9.32% adults) and Na (7.05% adults). In any case which exceeds the maximum intake values of any of the elements analyzed, the macro- and trace element levels can vary considerably in a short period of time, so it is necessary to assess the toxic risk in edible seaweeds.

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Authors and Affiliations

  1. Toxicology Area, University of La Laguna, 38071, La Laguna, Tenerife, Canary Islands, Spain

    Soraya Paz, Carmen Rubio, Inmaculada Frías, Gara Luis-González, Ángel J. Gutiérrez & Arturo Hardisson

  2. Health Inspection and Laboratory Service, Canary Health Service, S/C de Tenerife, 38006, Tenerife, Canary Islands, Spain

    Dailos González-Weller

Authors
  1. Soraya Paz
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  2. Carmen Rubio
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  3. Inmaculada Frías
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  4. Gara Luis-González
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  5. Ángel J. Gutiérrez
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  6. Dailos González-Weller
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  7. Arturo Hardisson
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Correspondence to Ángel J. Gutiérrez.

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Paz, S., Rubio, C., Frías, I. et al. Human exposure assessment to macro- and trace elements in the most consumed edible seaweeds in Europe. Environ Sci Pollut Res 26, 36478–36485 (2019). https://doi.org/10.1007/s11356-019-06713-7

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