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Content, speciation and in vitro bioaccessibility of trace elements in seaweeds and derived food products

Ediu Carlos Da Silva Junior, Mehrnoosh Babaahmadifooladi (UGent) , Karel Folens (UGent) , André Rodrigues dos Reis, Luiz Roberto Guimarães Guilherme, Tom Van de Wiele (UGent) , Liesbeth Jacxsens (UGent) and Gijs Du Laing (UGent)
(2023) JOURNAL OF FOOD COMPOSITION AND ANALYSIS. 118.
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Abstract
Seaweed products currently emerging in Europe are known to be potentially contaminated by toxic elements. The present study focused on the contents and bioaccessibility of trace elements in seaweed products available in Belgium. A total of 231 samples were collected in markets and As, Cd, Ni, Hg, Pb, I and Se concentrations were measured. Moreover, As speciation and the effect of a washing treatment on total concentrations of trace ele-ments were studied. Bioaccessibility was assessed via in vitro simulation of the gastrointestinal digestion. A percentage of 85%, 39% and 4% of the samples exceed the concentration levels permitted for As, Cd and I respectively. Washing significantly reduced concentrations of all trace elements assessed. Speciation analysis identified a high percentage of inorganic As in hijiki. The average bioaccessibility in the small intestine was: As (52%) > Ni (35%) > Pb (27%) > Cd (20%). The population should seek practices such as washing to reduce the concentration and bioaccessibility of trace elements in seaweeds.
Keywords
Edible seaweeds, Western europe, Toxic elements, Speciation analysis, Gastrointestinal digestion, Food contamination, HPLC-ICP-MS, ARSENIC SPECIATION, METALS, ACCUMULATION, TOXICITY, HIJIKI, FISH, PB, HG, CD

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MLA
Da Silva Junior, Ediu Carlos, et al. “Content, Speciation and in Vitro Bioaccessibility of Trace Elements in Seaweeds and Derived Food Products.” JOURNAL OF FOOD COMPOSITION AND ANALYSIS, vol. 118, 2023, doi:10.1016/j.jfca.2023.105162.
APA
Da Silva Junior, E. C., Babaahmadifooladi, M., Folens, K., dos Reis, A. R., Guilherme, L. R. G., Van de Wiele, T., … Du Laing, G. (2023). Content, speciation and in vitro bioaccessibility of trace elements in seaweeds and derived food products. JOURNAL OF FOOD COMPOSITION AND ANALYSIS, 118. https://doi.org/10.1016/j.jfca.2023.105162
Chicago author-date
Da Silva Junior, Ediu Carlos, Mehrnoosh Babaahmadifooladi, Karel Folens, André Rodrigues dos Reis, Luiz Roberto Guimarães Guilherme, Tom Van de Wiele, Liesbeth Jacxsens, and Gijs Du Laing. 2023. “Content, Speciation and in Vitro Bioaccessibility of Trace Elements in Seaweeds and Derived Food Products.” JOURNAL OF FOOD COMPOSITION AND ANALYSIS 118. https://doi.org/10.1016/j.jfca.2023.105162.
Chicago author-date (all authors)
Da Silva Junior, Ediu Carlos, Mehrnoosh Babaahmadifooladi, Karel Folens, André Rodrigues dos Reis, Luiz Roberto Guimarães Guilherme, Tom Van de Wiele, Liesbeth Jacxsens, and Gijs Du Laing. 2023. “Content, Speciation and in Vitro Bioaccessibility of Trace Elements in Seaweeds and Derived Food Products.” JOURNAL OF FOOD COMPOSITION AND ANALYSIS 118. doi:10.1016/j.jfca.2023.105162.
Vancouver
1.
Da Silva Junior EC, Babaahmadifooladi M, Folens K, dos Reis AR, Guilherme LRG, Van de Wiele T, et al. Content, speciation and in vitro bioaccessibility of trace elements in seaweeds and derived food products. JOURNAL OF FOOD COMPOSITION AND ANALYSIS. 2023;118.
IEEE
[1]
E. C. Da Silva Junior et al., “Content, speciation and in vitro bioaccessibility of trace elements in seaweeds and derived food products,” JOURNAL OF FOOD COMPOSITION AND ANALYSIS, vol. 118, 2023.
@article{01H9NCY1KD62TSHK8K0TH80J6M,
  abstract     = {{Seaweed products currently emerging in Europe are known to be potentially contaminated by toxic elements. The present study focused on the contents and bioaccessibility of trace elements in seaweed products available in Belgium. A total of 231 samples were collected in markets and As, Cd, Ni, Hg, Pb, I and Se concentrations were measured. Moreover, As speciation and the effect of a washing treatment on total concentrations of trace ele-ments were studied. Bioaccessibility was assessed via in vitro simulation of the gastrointestinal digestion. A percentage of 85%, 39% and 4% of the samples exceed the concentration levels permitted for As, Cd and I respectively. Washing significantly reduced concentrations of all trace elements assessed. Speciation analysis identified a high percentage of inorganic As in hijiki. The average bioaccessibility in the small intestine was: As (52%) > Ni (35%) > Pb (27%) > Cd (20%). The population should seek practices such as washing to reduce the concentration and bioaccessibility of trace elements in seaweeds.}},
  articleno    = {{105162}},
  author       = {{Da Silva Junior, Ediu Carlos and Babaahmadifooladi, Mehrnoosh and Folens, Karel and dos Reis, André Rodrigues and Guilherme, Luiz Roberto Guimarães and Van de Wiele, Tom and Jacxsens, Liesbeth and Du Laing, Gijs}},
  issn         = {{0889-1575}},
  journal      = {{JOURNAL OF FOOD COMPOSITION AND ANALYSIS}},
  keywords     = {{Edible seaweeds,Western europe,Toxic elements,Speciation analysis,Gastrointestinal digestion,Food contamination,HPLC-ICP-MS,ARSENIC SPECIATION,METALS,ACCUMULATION,TOXICITY,HIJIKI,FISH,PB,HG,CD}},
  language     = {{eng}},
  pages        = {{11}},
  title        = {{Content, speciation and in vitro bioaccessibility of trace elements in seaweeds and derived food products}},
  url          = {{http://doi.org/10.1016/j.jfca.2023.105162}},
  volume       = {{118}},
  year         = {{2023}},
}
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