3 matokeo
Red squill bulbs, with reported specific rodenticidal properties, have been assayed for their content of the two main glycosides, scilliroside and scillaren A, by a method depending on the separation of the glycosides from purified plant extracts by tlc followed by spectrophotometric (uv and
Fourteen bufadienolides were isolated from bulbs of hexaploid URGINEA MARITIMA (L.) Baker SENSU STRICTU. The compounds were identified by means of FAB-MS, (1)-NMR and (13)C-NMR studies or comparison with authentic substances. Besides the already known proscillaridin A, scillaren A, glucoscillaren A,
Scilla maderensis Menezes (Hyacinthaceae) is endemic to the Portuguese Archipelago of Madeira. The taxonomic proximity between Scilla L. and Urginea Steinh. genus, and also the knowledge that bulbs of Urginea maritima (L.) Baker (Scilla maritima L.) contain cardiac glycosides of the bufadienolide