Sesquiterpene lactones. XXXVIII. Constituents of Picris echioides L. and their antifeedant activity
Abstract
Reinvestigation of components of Picris echioides L. led to the isolation of pure jacquinelin (I) and 8-deoxylactucin (II). The insect deterrent activities of compounds I and II, of their 1:5 mixture, as well as of the chloroform extract of Picris echioides were determined.
Keywords
Picris echioides; sesquiterpene lactones; chemotaxonomy; antifeedants
Full Text:
PDFDOI: https://doi.org/10.5586/asbp.1989.030
|
|
|