Co-occurrence of aflatoxin B1, B2, G1, G2 and ochrotoxin A in Glycyrrhiza uralensis analyzed by HPLC-MS/MS

► Glycyrrhiza uralensis may be contaminated by mycotoxins during growth, collection, transportation and storage. ► A HPLC-MS/MS method was developed for the determination of AFs and OTA in G. uralensis. ► All moldy samples and 8 of 9 normal samples were contaminated with AFs and OTA. ► Two of the moldy samples exceeded the maximum limits set by EU for OTA. ► This is the first report of the co-occurrence of AFs and OTA in G. uralensis in China.