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Contamination of food by microbial agents and natural toxins poses significant risks to public health. These hazards can be introduced at various points across the food supply chain, ranging from environmental sources to processing and storage stages. Understanding these contamination pathways is critical for developing strategies to ensure food safety.Seafood is particularly vulnerable to contamination through both environmental exposure and microbial colonization. Toxins from harmful algal...

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Updated: Jun 9, 2026

The Effect of the Application of Thyme Essential Oil on Microbial Load During Meat Drying

The Effect of the Application of Thyme Essential Oil on Microbial Load During Meat Drying

Published on: March 14, 2018

Microplastic Contamination in Salted Dried Beef.

Brenda Serrão de Freitas¹, Gabriel Dos Anjos Guimarães², Gustavo Frigi Perotti¹

¹Institute of Exact Sciences and Technology, Federal University of Amazonas, Itacoatiara, Amazonas, Brazil, ufam.edu.br.

|June 8, 2026

Summary

This summary is machine-generated.

Microplastics were found in all salted dried beef samples from the Central Amazon, Brazil. This contamination highlights potential food safety risks and the need for enhanced sanitary surveillance.

Keywords:

environmental regulation food food safety health risk plastic pollution sea salt

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Area of Science:

Environmental Science
Food Safety
Toxicology

Background:

Plastic pollution, particularly microplastics, presents a significant global environmental and health concern.
Microplastics have been detected in various food matrices, raising questions about their presence in traditional food products.

Purpose of the Study:

To investigate the presence and characteristics of microplastics in salted dried beef from the Central Amazon, Brazil.
To assess potential food safety implications and the adequacy of current sanitary controls.

Main Methods:

Analysis of six brands of salted dried beef from Itacoatiara and Parintins, Brazil.
Utilized density separation and organic matter digestion for sample preparation.
Employed stereomicroscopy and Raman spectroscopy for microplastic identification and polymer characterization.

Main Results:

Microplastic contamination was confirmed in all analyzed salted dried beef samples, with a total of 141 particles detected.
Particles varied in size (average 1.85 mm in Itacoatiara, 1.30 mm in Parintins) and were predominantly elongated blue fibers.
Identified polymers included polyethylene terephthalate, acrylonitrile butadiene styrene, polystyrene, and polypropylene, linked to urban sources.

Conclusions:

This study is the first to report microplastic contamination in salted dried beef, indicating vulnerabilities in food safety and sanitary processes.
The findings suggest potential risks to consumer health and underscore the necessity of incorporating microplastics into public health surveillance.
Recommendations include strengthening food safety policies and sanitary control programs in the Central Amazon region to address microplastic contamination.