Pyrrolizidine Alkaloid Profiles of Some Senecio Species from Egypt Assem El-Shazly

We were able to unambiguously identify most of alkaloids in this plant and have found a number of tropane and pyrrolidine compounds for the first time in the studied species and

In the current study, 33 isoquinoline alkaloids belonging to protopine-, benzylisoquinoline-, benzophenanthridine-, spirobenzylisoquinoline-, phthalideisoquinoline-, aporphine-,

b Natural History Museum of Calabria and Botanic Garden, University of Calabria, I-87036 Arcavacata di Rende, CS, Italy.. * Author for correspondence and

cineraria resulted in the identification of 13 alkaloids namely senecionine, seneciphylline, jacobine, otosenine, 9-methyl-dide- hydroretronecine,

Seven pyrrolizidine alkaloids (PAs) have been isolated from Lithospermum canescens and their structures determined by

canescens were extracted as previously described (Roeder and Wiedenfeld, 1977; Wiedenfeld and Roeder, 1979).. From the crude alkaloidal extract 1Ð7 were

Twenty-seven pyrrolizidine alkaloids were identified by a detailed phytochemical study and GC/MS analysis on twelve Bulgarian species from genus Senecio. Twenty of them are new for

Twenty-seven pyrrolizidine alkaloids were identified by a detailed phytochemical study and GC/MS analysis on twelve Bulgarian species from genus Senecio.. Twenty of them are new for