Alkaloids of Turkish Glaucium species.

Six isoquinoline alkaloids, glaucine, isocorydine, protopine, cryptopine, allocryptopine and trans-canadine methochloride, have been obtained from the aerial parts of Glaucium grandiflorum Boiss. et Huet var. torquatum Cullen, a plant indigenous to Turkey. The presence of a seventh alkaloid, corydine, was revealed by TLC. This is the first report of the occurrence of cryptopine in the genus Glaucium.