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Archivos Latinoamericanos de Nutrición

versión impresa ISSN 0004-0622versión On-line ISSN 2309-5806

Resumen

LEMOS CHICOUREL, Elizabeth; SAKUMA, Alice M; ZENEBON, Odair  y  TENUTA-FILHO, Alfredo. Inefficacy of cooking methods on mercury reduction from shark. ALAN [online]. 2001, vol.51, n.3, pp.288-292. ISSN 0004-0622.

Shark and other carnivorous fishes present high potential risk of excessive contamination by mercury. The distribution of mercury throughout the body of blue shark - Prionace glauca - was analysed, and the effects on mercury levels by frying and baking in a laboratory oven, and in a microwave oven, were measured. There was no significant statistical difference in mercury levels in the samples taken from regions near the head, or from central and tail parts, indicating homogeneous distribution of the metal in muscles throughout the body. Frying and baking did not affect original mercury levels present in blue shark. This study indicates that specific studies are needed to define the efficacy or inefficacy of the cooking methods on mercury reduction from fish, in order to clearly resolve divergent opinions in the literature.

Palabras clave : Shark; fish; mercury; frying; baking; cooking..

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