Mercurio en pescado comercializado en Minas Gerais y posibles riesgos asociados a su consumo

Autores/as

DOI:

https://doi.org/10.33448/rsd-v9i9.6881

Palabras clave:

Metales pesados; Exposición dietética; Contaminación alimentícia; Toxicidad; Salud pública.

Resumen

El objetivo del trabajo fue analizar el contenido de mercurio en el pescado comercializado en Minas Gerais, recogido por el Programa de Monitoreo de Alimentos de la Vigilancia Sanitaria de Minas Gerais - PROGVISA, y verificar, en base a estos valores, el riesgo de consumo de pescado. Se analizó el contenido total de mercurio en 80 muestras de peces recolectados al azar en el mercado de Minas Gerais. El análisis se realizaron por espectrofotometría de absorción atómica. A partir de estos valores, se estimó la ingesta de metilmercurio en Minas Gerais y esta estimación se comparó con los parámetros toxicológicos de referencia. Entre las muestras, 38.8% eran de peces no depredadores y 61.2% eran de peces depredadores. Los análisis indicaron que los niveles de mercurio encontrados en la mayoría de las muestras de peces de Minas Gerais estaban por debajo de los límites máximos permitidos por la legislación brasileña. Solo el 8.2% de las muestras de peces depredadores mostraron resultados no satisfactorio (contenido> 1.0 mg / kg), siendo solo los peces catiónicos. En general, los peces no depredadores y, por lo general, los peces de acuicultura, como la tilapia, el panga y el salmón, tenían niveles bajos de mercurio. La ingesta de mercúrio, estimada para la población de Minas Gerais se consideró aceptable, sin un riesgo apreciable para la salud. El consumo de pescado, siguiendo la recomendación de dos o tres porciones por semana, siempre y cuando el pescado en la parte superior de la cadena alimentaria no esté incluido, parece ser seguro. Los resultados indican que el contenido de mercúrio, por debajo de los límites establecidos por la legislación brasileña, son importantes para garantizar la ingesta de este contaminante a niveles seguros.

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Publicado

13/08/2020

Cómo citar

COSTA, Ághata de F.; CUSTÓDIO, F. B.; SILVA, N. de O. C. e; LABANCA, R. A. Mercurio en pescado comercializado en Minas Gerais y posibles riesgos asociados a su consumo. Research, Society and Development, [S. l.], v. 9, n. 9, p. e105996881, 2020. DOI: 10.33448/rsd-v9i9.6881. Disponível em: https://rsdjournal.org/index.php/rsd/article/view/6881. Acesso em: 30 jun. 2024.

Número

Sección

Ciencias Agrarias y Biológicas