Patulin is formed by molds of the species Penicillium, Aspergillus, Byssochlamys and Paecilomyces variotii. In decayed pome patulin is produced by Penicillium expansum, there can be found up to two grams of toxin per kilogram of rotten fruit.
Legal threshold values are regulated differently in each country and are defined e.g as 50 µg/kg for apple juice, as 25 µg/kg for fruit compote, or as 10 µg/kg for maximum occurrence in infant formula.
A list of currently available aokin Patulin products can be downloaded here.

Chemical formula for Patulin C7H6O4
Molecular Weight: 154,12 g·mol−1
Catalog for standards including isotope standards and rare mycotoxins
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Complete Proficiency Testing program 2024
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Complete Proficiency Testing program 2023
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Sample preparation for Patulin analysis
by use of SPE columns
– Manual –
aokin QuickClean PAT
QC-06-100