title: Improvements in the extraction of pyrrolizidine alkaloids.
mesh_terms: D002852:Chromatography, Ion Exchange; D008722:Methods; D010946:Plants, Medicinal / Q000032:analysis*; D010947:Plants, Toxic / Q000032:analysis; D011763:Pyrrolizidine Alkaloids / Q000302:isolation & purification*; D012674:Senecio / Q000032:analysis; D012995:Solubility
chemical_list: D011763:Pyrrolizidine Alkaloids