;Phytochemistry : The seeds contain saponins but no calcium oxalate raphide crystals, chelidonic acid ( unlike Asparagales ) or cysteine derived sulphur compounds ( allyl sulphides ), another distinguishing feature from the characteristic Toxicology)
2.
"' Others "': Other characteristic substances contained within these species include : meconic acid and chelidonic acid, as well as cyanogenic glycoside compounds derived from tyrosine : dhurrin and triglochinin; in the Fumarioideae while the Chelidonieae contain the free amino acid ?-acetylornithine.