Patulin

Author: Prof. Dr. med. Peter Altmeyer

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Last updated on: 29.10.2020

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Synonym(s)

4-Hydroxy-4H-furo-pyran-2-on; CAS number: 149-29-1; Clavucin

Definition
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Mycotoxin (mould toxin) with the molecular formula: C7H6O4. The mycogenic metabolic product is soluble in water and polar solvents. It is resistant to short heating! Patulin is the cause of food poisoning.

General information
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Patulin is toxic to bacteria, protozoa. In mammals and humans it has genotoxic, hepatotoxic (Fernández-Blanco C et al. 2018), carcinogenic effects. The substance causes capillary damage.

Patulin is produced by >10 different Penicillium species and other fungi (Aspergillus, Byssochlamys, Paecilomyces variotii), and serves as a "microcidal" defence product for fungi.

Note(s)
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Patulin is mainly produced in rotten pome fruits of the species Penicillium expansum. In apples, the rotten part can be cut out in large areas so that it is harmless to eat. In other types of pome fruit, however, the healthy part of the fruit flesh may also contain patulin. It is recommended to abstain from consumption. Particularly with fruit juices, caution is required: no fruit with rotten spots should be used. In a Persian study (53%) of the apple juices examined were contaminated with patulin at concentrations > 3 µg/L (Poostforoushfard A et al. 2017). The reference value in the European Union is 50 µg/L.

A detoxification of the juices can be achieved by fermentation or sulphurization (preservation method for wine).

Literature
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  1. Fernández-Blanco C et al (2018) Cytotoxic effects induced by patulin, deoxynivalenol and toxin T2 individually and in combination in hepatic cells (HepG2). Food Chem Toxicol pii: S0278-6915(18)30393-4.
  2. Poostforoushfard A et al (2017) Patulin contamination in apple products marketed in Shiraz, Southern Iran. Curr Med Mycol 3:32-35.

Incoming links (1)

Mycophenolic acid;

Outgoing links (1)

Mycotoxins;

Authors

Last updated on: 29.10.2020