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Troben nivells baixos de mercuri en només 13 especies de peix i marisc de les 58 estudiades

Pla general d'una peixateria ubicada al Mercat de Tarragona. Imatge del 13 d'octubre de 2021 (Horitzontal).
Pla general d'una peixateria ubicada al Mercat de Tarragona. Imatge del 13 d'octubre de 2021 (Horitzontal).
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Un estudi de l’Institut de Diagnòstic Ambiental i Estudis de l’Aigua (IDAEA) del Consell Superior d’Investigacions Científiques (CSIC) ha analitzat més de 1.300 exemplars de 58 espècies de peix i marisc de consum humà que estaven a la venda a mercats d’Espanya (Menorca, Mallorca, Eivissa, Alacant, Ametlla de Mar i L ‘Ampolla), Itàlia (Gènova, Civitavecchia, Alguer) i França (Marsella). El treball, publicat a la revista ‘Environmental Pollution’, sosté que de totes elles, els exemplars de 13 espècies sempre presentaven concentracions de mercuri per sota de les recomanades com a segures per la Unió Europea (UE). Entre elles hi ha la sardina, el seitó, el besuc, l’orada o el calamar.

 

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El mercuri és un element tòxic que perjudica els ronyons, pulmons i el sistema cardiovascular i nerviós, sobretot en dones embarassades i població infantil. A causa de les seves propietats fisicoquímiques, es pot transportar a llargues distàncies i dipositar-se en ecosistemes aquàtics, on és absorbit per peixos i altres organismes. La majoria del mercuri que és ingerit per la població humana prové, precisament, del consum de peix i marisc.

 

Els resultats mostren que els exemplars de 13 de les 58 espècies analitzades sempre tenen nivells de mercuri per sota dels límits recomanats per la Unió Europea: sardina, seitó, mare de lluç, caramel (o gerret), besuc, orada, raors, moll de roca, serrà, escorball, salpa, llampuga i calamar.

 

Segons els autors, les autoritats sanitàries haurien de prestar especial atenció a les espècies de peix i marisc amb els nivells de mercuri més elevats i fer les recomanacions sanitàries preventives adequades, especialment per a les dones embarassades i els nens.

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Fem periodisme dirigint la mirada a allò què passa més enllà de les ciutats. Escrivim per descobrir la riquesa de les nostres comarques, de les persones que hi viuen i la diversitat de les seves iniciatives. Parlem de la terra per situar el sector primari al lloc que es mereix, però també abracem el nostre patrimoni cultural, històric i natural. En definitiva, mirem al territori per entendre tot un país.

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