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Isótopos estáveis e composição química de cacharas

Authors: Otani, Fabrizia Sayuri;

Isótopos estáveis e composição química de cacharas

Abstract

O presente trabalho objetivou determinar a origem de produção de cacharas Pseudoplatystoma reticulatum, pela técnica de isótopos estáveis de 13C e 15N, e análise de composição química. Este estudo está dividido em três capítulos. O capítulo I apresenta uma introdução, abordando os principais assuntos que justificam este trabalho. Os capítulos II e III apresentam os resultados. Cacharas foram capturados e cultivados em Ladário, no rio Paraguai, região da cidade de Corumbá, MS, sacrificados em gelo e transportados para a UNESP, Univ. Estadual Paulista, câmpus de Botucatu. O pescado foi avaliado em relação à origem de produção - de aquicultura ou captura. A origem de produção influenciou os resultados da análise de isótopos estáveis de 13C e 15N (p0,05), mas a composição de ácidos graxos foi influenciada (p<0,05). Os resultados permitem concluir que é possível diferenciar a origem de produção pela técnica de isótopos estáveis e composição química

This study aimed to determine the differences between cultured and wild Brazilian catfishes Pseudoplatystoma reticulatum, by stable carbon δ13C and nitrogen δ15N isotopes technique, and to determine the chemical composition. This study is divided into three chapters. The Chapter I contains an introduction, justifying this work. Chapters II and III present the results. The fish were captured and farmed in the area of Corumbá city, Mato Grosso do Sul state, than the fish were slaughtered and sent to São Paulo State University, in Botucatu city. The Brazilian catfish was evaluated in relation to the source - aquaculture or wild. The production source affected the results of 13C and 15N (p0,05), but the fatty acid profile was affected (p<0,05). Thus, cultured and wild Brazilian catfishes may be differentiated using stable isotopes technique, and the chemical composition is affected by the production source

Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)

Universidade Estadual Paulista (UNESP)

Pós-graduação em Aquicultura - FCAV

Country
Brazil
Keywords

Acidos graxos, Aminoácidos, Peixe

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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
Average
Average
Average
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