Abstract
Blue shark Prionace glauca is one of the most important elasmobranch species landed and consumed in Peru. Due to its importance as fishery resource, were evaluated lead (Pb), cadmium (Cd), mercury (Hg) and Total Volatile Base Nitrogen (TVBN) in the muscle tissue of 25 specimens, captured in the southern zone of Peruvian sea. These analytes were compared with current regulations and were determined its relationship with sex and total length (TL). We obtained ranges between 0.04-0.25, 0.01-0.04 and 0.09-0.50 mg kg-1 for Pb, Cd and Hg, respectively. TVBN values were between 38.50-94.60 mg TVBN 100 g-1. Analytes did not have differences with TL and gender. Pb was positive correlation with TL, while the Cd, Hg and TVBN did not. This study provides sanitary information of blue shark muscle from Peruvian waters.
Highlights
Abstract.- Blue shark Prionace glauca is one of the most important elasmobranch species landed and consumed in Peru
This study provides sanitary information of blue shark muscle from Peruvian waters
Recibido el 20 de marzo de 2019 y aceptado el 27 de septiembre de 2019 Editor: Claudia Bustos D
Summary
Determination of lead, cadmium, mercury and Total Volatile Base Nitrogen (TVBN) in muscle of blue shark Prionace glauca from the southern zone of Peru. Due to its importance as fishery resource, were evaluated lead (Pb), cadmium (Cd), mercury (Hg) and Total Volatile Base Nitrogen (TVBN) in the muscle tissue of 25 specimens, captured in the southern zone of Peruvian sea. These analytes were compared with current regulations and were determined its relationship with sex and total length (TL). Considerando la importancia que tiene P. glauca como recurso pesquero y la influencia de la presencia de compuestos orgánicos e inorgánicos en la calidad e inocuidad de la carne de elasmobranquios destinada al procesamiento, comercialización y consumo; los objetivos del presente estudio fueron determinar el contenido de plomo (Pb), cadmio (Cd), mercurio (Hg) y Bases Volátiles Nitrogenadas Totales (NBVT) en el músculo de tiburón azul procedente de la zona sur del mar peruano, comparar estos niveles con los límites establecidos en el Reglamento de la Comunidad Europea (2008) y el Organismo Nacional de Sanidad Pesquera del Perú-SANIPES (2016) y precisar la relación de estos analitos con el sexo y la longitud total (LT)
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