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Article ? AI-assigned paper type based on the abstract. Classification may not be perfect — flag errors using the feedback button. Tier 2 ? Original research — experimental, observational, or case-control study. Direct primary evidence. Marine & Wildlife Sign in to save

Analysis and inorganic composition of microplastics in commercial Malaysian fish meals

Marine Pollution Bulletin 2019 114 citations ? Citation count from OpenAlex, updated daily. May differ slightly from the publisher's own count. Score: 50 ? 0–100 AI score estimating relevance to the microplastics field. Papers below 30 are filtered from public browse.
Samaneh Karbalaei, Samaneh Karbalaei, Samaneh Karbalaei, Samaneh Karbalaei, Parichehr Hanachi Parichehr Hanachi Parichehr Hanachi Parichehr Hanachi Tony R. ‎Walker, Tony R. ‎Walker, Tony R. ‎Walker, Tony R. ‎Walker, Tony R. ‎Walker, Tony R. ‎Walker, Tony R. ‎Walker, Tony R. ‎Walker, Tony R. ‎Walker, Tony R. ‎Walker, Tony R. ‎Walker, Abolfazl Golieskardi, Ali Karami, Ali Karami, Ali Karami, Ali Karami, Ali Karami, Ali Karami, Ali Karami, Ali Karami, Tony R. ‎Walker, Tony R. ‎Walker, Tony R. ‎Walker, Tony R. ‎Walker, Tony R. ‎Walker, Tony R. ‎Walker, Tony R. ‎Walker, Tony R. ‎Walker, Tony R. ‎Walker, Tony R. ‎Walker, Tony R. ‎Walker, Parichehr Hanachi Parichehr Hanachi Parichehr Hanachi Parichehr Hanachi Parichehr Hanachi Parichehr Hanachi Parichehr Hanachi Parichehr Hanachi Parichehr Hanachi Samaneh Karbalaei, Samaneh Karbalaei, Samaneh Karbalaei, Abolfazl Golieskardi, Abolfazl Golieskardi, Abolfazl Golieskardi, Abolfazl Golieskardi, Abolfazl Golieskardi, Abolfazl Golieskardi, Abolfazl Golieskardi, Tony R. ‎Walker, Tony R. ‎Walker, Tony R. ‎Walker, Tony R. ‎Walker, Tony R. ‎Walker, Tony R. ‎Walker, Tony R. ‎Walker, Tony R. ‎Walker, Tony R. ‎Walker, Tony R. ‎Walker, Samaneh Karbalaei, Tony R. ‎Walker, Tony R. ‎Walker, Tony R. ‎Walker, Tony R. ‎Walker, Tony R. ‎Walker, Dorothy Uning Watt, Tony R. ‎Walker, Dorothy Uning Watt, Mathieu Boiret, Tony R. ‎Walker, Tony R. ‎Walker, Tony R. ‎Walker, Tony R. ‎Walker, Tony R. ‎Walker, Tony R. ‎Walker, Tony R. ‎Walker, Samaneh Karbalaei, Samaneh Karbalaei, Tony R. ‎Walker, Tony R. ‎Walker, Tony R. ‎Walker, Parichehr Hanachi Tony R. ‎Walker, Tony R. ‎Walker, Samaneh Karbalaei, Tony R. ‎Walker, Tony R. ‎Walker, Tony R. ‎Walker, Parichehr Hanachi Tony R. ‎Walker, Tony R. ‎Walker, Tony R. ‎Walker, Tony R. ‎Walker, Tony R. ‎Walker, Tony R. ‎Walker, Tony R. ‎Walker, Tony R. ‎Walker, Ali Karami, Tony R. ‎Walker, Ali Karami, Tony R. ‎Walker, Tony R. ‎Walker, Tony R. ‎Walker, Tony R. ‎Walker, Tony R. ‎Walker, Tony R. ‎Walker, Tony R. ‎Walker, Tony R. ‎Walker, Tony R. ‎Walker, Tony R. ‎Walker, Tony R. ‎Walker, Tony R. ‎Walker, Samaneh Karbalaei, Tony R. ‎Walker, Ali Karami, Ali Karami, Parichehr Hanachi

Summary

Three Malaysian commercial fish meal brands were analyzed for microplastic content, with 64.3% of extracted particles confirmed as plastics (mainly polyester and polyamide fragments) and trace metal contaminants identified by EDX spectroscopy. The findings indicate that cultured organisms fed these meals could be exposed to microplastics and associated inorganic pollutants.

Presence of microplastics (MPs) in a broad range of wild and cultured marine organisms is well-documented, but transfer mechanisms by which cultured organisms are contaminated with MPs is poorly understood. MP loads in three Malaysian commercial brands of fish meal were investigated. Chemical composition of extracted MP-like particles was confirmed using micro-Raman spectroscopy. Inorganic composition of MPs and pigment particles were assessed through energy-dispersive X-ray spectroscopy (EDX). Out of 336 extracted particles, 64.3% were plastic polymers, 25% pigment particles, 4.2% non-plastic items, and 6.5% were unidentified. Fragments were the dominant form of MPs (78.2%) followed by filaments (13.4%) and films (8.4%). This study demonstrates that cultured organisms could be exposed to high levels of MPs via MP contaminated fish/shellfish used in fish meal production. Fish meal replacement with other sources of protein including meat meals and plant-based meals may mitigate MP exposure to cultured or farmed organisms.

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