Analytical methods for the determination of sterigmatocystin in cheese, bread and corn products using HPLC with atmospheric pressure ionization mass spectrometric detection

alimentos analytical methods bread cheese chromatographie chromatography contamination cromatografia esterigmatocistina foods fromage mais maize mass spectrometry measurement mesure micotoxinas mycotoxine mycotoxins pain pan produit alimentaire queso sterigmatocystin technique analytique