Is the shrimp Macrobrachium amazonicum sold in an urban center in the central Brazilian Amazon contaminated with microplastics?

ABSTRACT Growing global concern surrounds microplastics, found in various environments. However, data on microplastics contamination in salted shrimp and associated health risks remain scarce. We analyzed whether salted shrimps sold in markets in a main city in Amazonas state (Brazil), are contamina...

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Published inActa amazonica Vol. 54; no. 4
Main Authors GUIMARÃES, Gabriel dos Anjos, MORAES, Beatriz Rocha de, ANDO, Rômulo Augusto, PEROTTI, Gustavo Frigi, SANT’ANNA, Bruno Sampaio, HATTORI, Gustavo Yomar
Format Journal Article
LanguageEnglish
Published Instituto Nacional de Pesquisas da Amazônia 01.01.2024
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Abstract ABSTRACT Growing global concern surrounds microplastics, found in various environments. However, data on microplastics contamination in salted shrimp and associated health risks remain scarce. We analyzed whether salted shrimps sold in markets in a main city in Amazonas state (Brazil), are contaminated with microplastics. We examined 150 specimens of Macrobrachium amazonicum and found 396 potential microplastics in 129 individuals (86%). The number of particles per gram of body mass was highest in the gastrointestinal tract, with 60% of them ranging in size from 1,000 to 5,000 µm, predominantly dark blue fibers (80%). The contamination likely originates from the environment and the salt used during processing in the region where the shrimps are captured. Our findings point to a potential health risk to the many consumers of salted shrimp in the Amazon region. RESUMO Há uma crescente preocupação global com os microplásticos, encontrados em diversos ambientes. No entanto, ainda faltam dados sobre a contaminação por microplásticos em camarão salgado e os riscos à saúde associados. Analisamos se os camarões salgados vendidos em mercados de uma cidade principal no estado do Amazonas (Brasil) estão contaminados com microplásticos. Examinamos 150 espécimes de Macrobrachium amazonicum e encontramos 396 potenciais microplásticos em 129 indivíduos (86%). O número de partículas por grama de massa corporal foi mais alto no trato gastrointestinal, com 60% delas variando em tamanho de 1.000 a 5.000 µm, predominantemente fibras de cor azul escura (80%). A contaminação provavelmente se origina do ambiente e do sal utilizado durante o processamento na região onde os camarões são capturados. Nossos resultados indicam um potencial risco à saúde para os muitos consumidores de camarões salgados na região amazônica.
AbstractList ABSTRACT Growing global concern surrounds microplastics, found in various environments. However, data on microplastics contamination in salted shrimp and associated health risks remain scarce. We analyzed whether salted shrimps sold in markets in a main city in Amazonas state (Brazil), are contaminated with microplastics. We examined 150 specimens of Macrobrachium amazonicum and found 396 potential microplastics in 129 individuals (86%). The number of particles per gram of body mass was highest in the gastrointestinal tract, with 60% of them ranging in size from 1,000 to 5,000 µm, predominantly dark blue fibers (80%). The contamination likely originates from the environment and the salt used during processing in the region where the shrimps are captured. Our findings point to a potential health risk to the many consumers of salted shrimp in the Amazon region. RESUMO Há uma crescente preocupação global com os microplásticos, encontrados em diversos ambientes. No entanto, ainda faltam dados sobre a contaminação por microplásticos em camarão salgado e os riscos à saúde associados. Analisamos se os camarões salgados vendidos em mercados de uma cidade principal no estado do Amazonas (Brasil) estão contaminados com microplásticos. Examinamos 150 espécimes de Macrobrachium amazonicum e encontramos 396 potenciais microplásticos em 129 indivíduos (86%). O número de partículas por grama de massa corporal foi mais alto no trato gastrointestinal, com 60% delas variando em tamanho de 1.000 a 5.000 µm, predominantemente fibras de cor azul escura (80%). A contaminação provavelmente se origina do ambiente e do sal utilizado durante o processamento na região onde os camarões são capturados. Nossos resultados indicam um potencial risco à saúde para os muitos consumidores de camarões salgados na região amazônica.
ABSTRACT Growing global concern surrounds microplastics, found in various environments. However, data on microplastics contamination in salted shrimp and associated health risks remain scarce. We analyzed whether salted shrimps sold in markets in a main city in Amazonas state (Brazil), are contaminated with microplastics. We examined 150 specimens of Macrobrachium amazonicum and found 396 potential microplastics in 129 individuals (86%). The number of particles per gram of body mass was highest in the gastrointestinal tract, with 60% of them ranging in size from 1,000 to 5,000 µm, predominantly dark blue fibers (80%). The contamination likely originates from the environment and the salt used during processing in the region where the shrimps are captured. Our findings point to a potential health risk to the many consumers of salted shrimp in the Amazon region.
Author ANDO, Rômulo Augusto
SANT’ANNA, Bruno Sampaio
GUIMARÃES, Gabriel dos Anjos
MORAES, Beatriz Rocha de
PEROTTI, Gustavo Frigi
HATTORI, Gustavo Yomar
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Snippet ABSTRACT Growing global concern surrounds microplastics, found in various environments. However, data on microplastics contamination in salted shrimp and...
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SubjectTerms aquatic pollution
bioaccumulation
Crustacea
gastrointestinal tract
Title Is the shrimp Macrobrachium amazonicum sold in an urban center in the central Brazilian Amazon contaminated with microplastics?
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