Sesquiterpene lactones. XXXVIII. Constituents of Picris echioides L. and their antifeedant activity

Włodzimierz M. Nowak, Maria Gumułka, Bohdan Drożdż, Halina Grabarczyk, Elżbieta Błoszyk

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:

PDF


DOI: https://doi.org/10.5586/asbp.1989.030

Journal ISSN:
  • 2083-9480 (online)
  • 0001-6977 (print; ceased since 2016)
This is an Open Access journal, which distributes its content under the terms of the Creative Commons Attribution License, which permits redistribution, commercial and non-commercial, provided that the content is properly cited.
The journal is a member of the Committee on Publication Ethics (COPE) and aims to follow the COPE’s principles.
The journal publisher is a member of the Open Access Scholarly Publishers Association.
The journal content is indexed in Similarity Check, the Crossref initiative to prevent scholarly and professional plagiarism.
Publisher
Polish Botanical Society