sentences:  More recently, methods using HPLC linked with atmospheric pressure ionisation mass spectrometric detection have been developed for foods such as cheese, bread and corn products.There appear to be no reports about the stability of sterigmatocystin, other than in solution, where it is similar to the aflatoxins.There is one report that phosphine gas significantly depresses the formation of sterigmatocystin when cereals are inoculated with A. versicolor.