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Types of Toxins

Types of Toxins

Humans continually engage with an environment rich in potentially harmful chemicals. These are introduced to our bodies through inhalation, ingestion, or skin contact. These chemicals exist in various forms, such as air and environmental pollutants, agricultural chemicals, organic solvents, and heavy metals.
Air pollutants, primarily gases, pose significant threats to respiratory health, leading to conditions like hypoxia, lung cancer, and in extreme cases, death.
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RNAi-mediated Control of Aflatoxins in Peanut: Method to Analyze Mycotoxin Production and Transgene Expression in the Peanut/Aspergillus Pathosystem

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Published on: December 21, 2015

Mycotoxins in meat products.

María J Andrade¹, Josué Delgado¹, Mar Rodríguez¹

¹Higiene y Seguridad Alimentaria, Instituto Universitario de Investigación de Carne y Productos Cárnicos, Facultad de Veterinaria, Universidad de Extremadura, 10003 Cáceres, Spain.

|May 18, 2025

Summary

This summary is machine-generated.

Toxigenic molds in dry-cured meats produce Ochratoxin A (OTA), a prevalent mycotoxin. Biopreservation using native microorganisms and plant extracts offers effective mitigation strategies for OTA contamination in these products.

Keywords:

Antifungal essential oils Antifungal microorganisms Biopreservation Dry-cured fermented sausages Dry-cured ham Ochratoxin A

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Area of Science:

Food Science
Mycology
Food Safety

Background:

Mycotoxin contamination, primarily Ochratoxin A (OTA), is a significant concern in dry-cured meat products due to toxigenic mold development during ripening.
OTA is the most prevalent mycotoxin found in dry-cured hams and fermented sausages, with notable research conducted in European Mediterranean countries over the past 15 years.

Purpose of the Study:

To review existing data on toxigenic molds in dry-cured meat products.
To compile information on mycotoxin prevalence, focusing on OTA.
To identify and evaluate tools and strategies for mycotoxin mitigation in these products.

Main Methods:

Literature review of studies on mycotoxin occurrence in dry-cured meat products.
Analysis of factors influencing OTA incidence and levels, including processing, climate, and detection methods.
Evaluation of various mitigation strategies, with a focus on biopreservation.

Main Results:

Significant variations in OTA incidence and levels were reported, often exceeding the Italian recommended maximum level of 1 µg/kg for pork products.
Other mycotoxins like Aflatoxin B1, cyclopiazonic acid, sterigmatocystin, and citrinin are occasionally detected.
Biopreservation using native microorganisms and plant extracts is identified as a highly suitable strategy for mycotoxin control.

Conclusions:

Mycotoxin contamination, particularly OTA, poses a risk in dry-cured meat products, with levels frequently exceeding regulatory limits.
Biopreservation presents a sustainable and effective approach to mitigate mycotoxin contamination in dry-cured meats, especially when environmental modifications are impractical.
Further research and application of biopreservation techniques are crucial for ensuring the safety of dry-cured meat products.