Iridoids from Verbascum species.
The occurrence of iridoids from 16 VERBASCUM species was investigated. The negative ion mass spectroscopy of the acetylated compounds was very useful concerning the appearance of a molecular ion. The fragmentation behaviour of the iridoids under positive and negative ionization is compared and discussed.
Seifert
K
K
Institut für Biochemie der Pflanzen der Akademie der Wissenschaften der DDR, DDR-4020 Halle/Saale, Weinberg 3.
Schmidt
J
J
Lien
N T
NT
Johne
S
S