Ochratoxin

Ochratoxin is a type of mycotoxin that is produced by certain types of fungi, including Aspergillus and Penicillium. It is a secondary metabolite of these fungi, and is known to be toxic to humans and animals.

History

The discovery of ochratoxin was made in the 1960s, when it was isolated from Aspergillus ochraceus. Since then, it has been found in a variety of different environments and food products, including cereals, coffee, dried fruit, and wine.

Types

There are three main types of ochratoxin: Ochratoxin A, Ochratoxin B, and Ochratoxin C. Ochratoxin A is the most toxic and the most studied of the three.

Toxicity

Ochratoxin is known to be nephrotoxic, hepatotoxic, immunotoxic, and carcinogenic. It is particularly damaging to the kidneys, and can cause nephropathy and even renal cell carcinoma. It is also thought to be a potential cause of Balkan endemic nephropathy, a disease that affects people in certain parts of Eastern Europe.

Exposure and Risk

Humans can be exposed to ochratoxin through the consumption of contaminated food products. The risk of exposure is higher in certain parts of the world, particularly in areas where food storage conditions are poor.

Prevention and Control

Preventing ochratoxin contamination involves controlling the growth of Aspergillus and Penicillium fungi. This can be achieved through good agricultural and storage practices.

See Also

• Mycotoxin
• Aspergillus
• Penicillium
• Nephrotoxicity
• Hepatotoxicity

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  Structure of Ochratoxin A
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  Structure of Ochratoxin B
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  Structure of Ochratoxin C
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  Structure of Ochratoxin TA