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Formação de nitrato e nitrito em sardinha Triportheus angulatus (Spix & Agassiz, 1829) decorrente do processamento térmico através do uso de carvão vegetal

Authors: Daniel Wolinger Marcondes;

Formação de nitrato e nitrito em sardinha Triportheus angulatus (Spix & Agassiz, 1829) decorrente do processamento térmico através do uso de carvão vegetal

Abstract

A pesca é uma importante atividade extrativista na Amazônia, sendo fonte nutricional de renda e lazer de grande parte da população. Sua constituição orgânica, sob determinadas condições de preparo sofre alterações físicas e químicas e pesquisas sugerem que reações entre compostos nitrosantes (nitratos e nitritos) e nitronisáveis (proteínas, aminoácidos entre outros) originem substâncias secundárias, como os compostos nitrosos. O objetivo deste trabalho foi quantificar a formação de nitratos e nitritos a partir da degradação proteica em sardinha (Triportheus angulatus) ocasionada pelo calor de assamento com carvão vegetal através de espectrofotometria visível. A média de nitratos encontrados nas amostras in natura, assadas 30 e 60 minutos foi de 0,0020% (m/m), 0,00001% (m/m) e 0,00001%(m/m) respectivamente e a de nitritos foi de 0.0001% (m/m), 0.0063% (m/m) e 0.0030% (m/m) respectivamente. A pesquisa permite concluir a existência de uma relação direta entre a formação destes compostos nitrosantes e aplicação de calor com uso de carvão vegetal para seu preparo para consumo, principal forma de preparo na região Amazônica. Â

Keywords

nitrito, pescado, Public aspects of medicine, RA1-1270, Amazônia., nitrato

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
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