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Published on: April 23, 2012
Sterigmatocystin: A mycotoxin to be seriously considered
César Horacio Díaz Nieto1, Adrian Marcelo Granero2, María Alicia Zon2
1Centro de Investigación y Desarrollo en Materiales Avanzados y Almacenamiento de Energía de Jujuy-CIDMEJu, Centro de Desarrollo Tecnológico General Manuel Savio, Palpalá, 4612, Jujuy, Argentina.
Abstract:
Sterigmatocystin is a carcinogenic compound that affects several species of crops and several species of experimental animals. The sterigmatocystin biosynthetic pathway is the best known and most studied. The International Agency for Research on Cancer classifies sterigmatocystin in the Group 2B. Three groups of analytical methods to determine sterigmatocystin in food can be found: chromatographic, ELISA immunoassays and chemical sensors. In addition, sterigmatocystin is a precursor of aflatoxin B1 in those cases where cereals and/or food are contaminated with fungi capable of producing aflatoxins. Chemical structures of sterigmatocystin and aflatoxin B1 are similar. These mycotoxins are pathogens of animals and cereals, producing a major economic impact on biotechnology and agricultural and food industries. This review summarizes different aspects related to sterigmatocystin such as its biosynthesis, toxicological studies and analytical methods for its determination.
Insights
Sterigmatocystin is a Group 2B carcinogen impacting crops and animals. This review covers its biosynthesis, toxicology, and analytical detection methods, crucial for agricultural and food safety.
Area of Science:
- Mycology
- Toxicology
- Analytical Chemistry
Background:
- Sterigmatocystin is a carcinogenic mycotoxin affecting crops and animals.
- It is a precursor to aflatoxin B1, posing significant risks to food safety.
- The International Agency for Research on Cancer classifies it as a Group 2B carcinogen.
Purpose of the Study:
- To review the biosynthesis pathway of sterigmatocystin.
- To summarize toxicological studies on sterigmatocystin.
- To provide an overview of analytical methods for sterigmatocystin determination.
Main Methods:
- Literature review of biosynthesis pathways.
- Compilation of toxicological data from experimental studies.
- Analysis of chromatographic, ELISA, and chemical sensor methods.
Main Results:
- The sterigmatocystin biosynthetic pathway is well-elucidated.
- Sterigmatocystin exhibits carcinogenicity and poses risks to animal and cereal health.
- Multiple analytical techniques exist for its detection in food matrices.
Conclusions:
- Sterigmatocystin poses a significant threat to agricultural and food industries due to its toxicity and precursor role.
- Understanding its biosynthesis and detection is vital for risk management.
- Continued research into analytical methods can improve food safety monitoring.
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