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Mycotoxins

wheat growing close up

Mycotoxins are a group of naturally occurring chemicals produced by certain moulds. They can grow on a variety of different crops and foodstuffs including cereals, nuts, spices, dried fruits, apple juice and coffee, often under warm and humid conditions.

The mycotoxins of most concern from a food safety perspective include the aflatoxins (B1, B2, G1, G2 and M1), ochratoxin A, patulin and toxins produced by Fusarium moulds, including fumonisins (B1, B2 and B3), trichothecenes (principally nivalenol, deoxynivalenol, T-2 and HT-2 toxin) and zearalenone.

Mycotoxins can cause a variety of adverse health effects in humans. Aflatoxins, including aflatoxin B1 are the most toxic and have been shown to be genotoxic i.e. can damage DNA and cause cancer in animal species. There is also evidence that they can cause liver cancer in humans. Other mycotoxins have a range of other health effects including kidney damage, gastrointestinal disturbances, reproductive disorders or suppression of the immune system. For most mycotoxins, a tolerable daily intake (TDI) has been established, which estimates the quantity of mycotoxin which someone can be exposed to daily over a lifetime without it posing a significant risk to health.

In order to protect consumer safety, rules and strict legislative limits for aflatoxins, ochratoxin A, patulin and Fusarium toxins in certain foodstuffs are set out in European Commission legislation. The legislation applies to the specified foods whether they are imported into the UK or produced in the UK. In addition, there are a number of special import conditions currently in place for some foods from certain third countries where the risk from aflatoxin contamination is increased, which further improves consumer protection.

The Agency has produced several pieces of guidance and advice to industry including farmers to advise them on the agronomic and storage practices to help to reduce the contamination of cereals with mycotoxins and therefore the likelihood of exceeding the current European legal limits.

Research and surveillance

The Agency funds research and surveillance projects in relation to mycotoxins. The work, carried out under the programme codes C03 and C04, covers a wide range of science on mycotoxins.

You can find information about the current and completed mycotoxins projects at the Project Details link below.

For further information

If you have a question or would like further information about mycotoxins, you can contact us at:
Mycotoxins team
tel: 020 7276 8716
email: mycotoxins@foodstandards.gsi.gov.uk

Mycotoxins in feed
Dr Ray Smith
tel: 020 7276 8474
email: ray.smith@foodstandards.gsi.gov.uk

There are also a number of websites with information on mycotoxins. You can access the websites at the links below.

Related links

Project details: mycotoxins

External links   The Food Standards Agency has no responsibility for the content of external websites

(External) European Mycotoxins Awareness Network Provides scientific information and news about mycotoxins (External) Food and Environment Research Agency (FERA) (External) TARIC The EU online customs tariff database describes the different TARIC codes for food commodities. (External) United Kingdom Accreditation Service Provides a list of UKAS-accredited laboratories able to test for mycotoxins.

Find out more

About mycotoxins

This section describes the most commonly found mycotoxins in food and feed and which may be of concern to consumer safety.

Mycotoxins: frequently asked questions

We answer general questions as well as providing detailed answers to specific questions for food business operators.

Mycotoxins legislation

An introduction and overview of legislation relevant to mycotoxins.

Mycotoxins guidance and advice for industry and enforcement bodies

This section provides mycotoxins guidance and advice produced by the Food Standards Agency and the European Commission. There is also a link to the Chemical Contaminants Interested Parties’ Bulletin, which provides regular updates on key areas including mycotoxins.

Mycotoxins in animal feed

This section provides general information and guidance on mycotoxins in animal feed.

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