
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.
Crucial phosphorylated compounds can be analyzed via polymeric iHILIC-(P) Classic HILIC columns and MS. This is applicable for targeted and non-targeted metabolomics.






