Iron Content in Wild Animal Meats: A Systematic Review Comparing Mammals and Birds

Amanda Letícia  Bezerra de Oliveira; Ana Luisa  dos Santos Medeiros; Maria Fernanda  Araújo de Medeiros; Daniel  Tregidgo; Juliana Kelly  da Silva Maia; Michelle Cristine  Medeiros Jacob

doi:10.15451/ec2025-11-14.04-1-12

Autores

Amanda Letícia Bezerra de Oliveira
Ana Luisa dos Santos Medeiros
Maria Fernanda Araújo de Medeiros
Daniel Tregidgo
Juliana Kelly da Silva Maia
Michelle Cristine Medeiros Jacob

DOI:

https://doi.org/10.15451/ec2025-11-14.04-1-12

Palavras-chave:

wild animals, biodiversity, food and nutrition security, nutritional composition, iron

Resumo

Este estudo explora o conteúdo de ferro em carnes de animais selvagens, um componente crítico nas dietas de diversos Povos Indígenas e Comunidades Locais (IPLC) ao redor do mundo. Nossos objetivos de pesquisa foram: (i) caracterizar o conteúdo de ferro nos músculos e vísceras de mamíferos e aves selvagens; e (ii) avaliar se o músculo de aves selvagens contém menos ferro que o músculo de mamíferos selvagens. Empregando uma revisão sistemática da literatura guiada pelos padrões PRISMA e utilizando bases de dados como Web of Science, Medline/PubMed e Scopus, analisamos dados de oito estudos pertinentes. Não foram identificados dados sobre vísceras de aves. Nossas descobertas indicam uma disparidade significativa no conteúdo de ferro entre as vísceras e músculos de mamíferos, com as primeiras exibindo mais de seis vezes o conteúdo de ferro (média de 15,25 mg por 100g) em comparação com os últimos (média de 2,24 mg por 100g). Contrariamente à nossa hipótese, o conteúdo de ferro nos músculos de aves (média de 3,75 mg por 100g) e mamíferos não diferiu significativamente (p=0.120), com as aves, descritivamente, demonstrando um conteúdo de ferro quase 70% maior. Esse resultado inesperado pode ser atribuído à influência dos métodos de abate, como o disparo de arma de fogo, que impede o sangramento externo, ou ao comportamento animal. Nossa pesquisa sublinha a necessidade de considerar as técnicas de abate nas avaliações nutricionais de carne. Essas descobertas não apenas contribuem para nosso entendimento dos valores nutricionais da carne selvagem, mas também estimulam investigações futuras sobre seu papel nas dietas humanas, especialmente entre as IPLC.

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