ALKALOIDS 



165 



Table 9-1. Distribution by family of the major alkaloids of higher plants 

 (adapted from Mothes and Romeike, 1958). 



Malvaceae 



UmbelUferae 



Piperaceae 



Moraceae 



Euphorbiaceae 



Santalaceae 



Chenopodiaceae 



Cactaceae 



Phytolaccaceae 



Nyctaginaceae 



Loganiaceae 



Apocynaceae 



Asclepiadaceae 



Gentianaceae 



Convolvulaceae 



Boraginaceae 



Labiatae 



Solanaceae 



Rubiaceae 



Lobeliaceae 



Compositae 



Liliaceae 



Amaryllidaceae 



Dioscoriaceae 



Gramineae 



Palmae 



protoalkaloid 



pyridine, pyrrolidine 



pyridine, pyrrolidine 



pyridine 



pyridine 



pyrrolizidine 



protoalkaloid, pyridine, quinolizine, indole 



protoalkaloid, isoquinoline, pyridine 



purine 



purine 



isoquinoline, indole 



indole, steroid 



pyridine 



pyridine 



pyrrolidine, tropane 



pyrrolizidine 



pyridine 



protoalkaloid, pyrrolidine, pyridine, 



pyrrolizidine, tropane, steroid 



isoquinoline, indole, purine 



pyridine 



pyridine, pyrroUzidine 



protoalkaloid, isoquinoline, steroid, purine 



isoquinoline 



tropane 



protoalkaloid, indole 



pyridine 



