
High-performance liquid chromatography-tandem mass spectroscopy (HPLC–MS/MS) chromatography reveals pyrrolizidine alkaloids (PA)/pyrrolizidine alkaloid N-oxides (PANO) toxin risks in 63 tea samples.
The analysis of intact MAb and their fragments using the UHPLC compatible YMC-Pack Diol-200 column and specifically designed YMC-SEC MAB column is described.






