[On the gas-chromatographical determination of the pyrrolizidine alkaloids of some Senecio-species].
A gas-chromatographical method is described on which seven pyrrolizidine alkaloids (Fuchsisenecionine, Senecionine, Senecivernine, Senkirkine, Retrorsine, O (7)-Angelylheliotridine and Heliotrine) are determinated in a qualitative way and their ratio of concentration in Senecio fuchsii, vernalis, inaequidens and ovirensis, ssp. gaudinii.
Wiedenfeld
H
H
Pharmazeutisches Institut der Universität, An der Immenburg 4, D-5300 Bonn-Endenich.
Pastewka
U
U
Stengl
P
P
Röder
E
E