LIGNANS AND SESQUITERPENE LACTONES FROM THE ROOT BARK OF ARTEMISIA ARGENTEA

Document Type : Original Article

Authors

Department of Pharmacognosy, Faculty of Pharmacy, Assiut, University, Assiut, Egypt

Abstract

The root bark of Artemisia argentea L'Her (Asteraceae) contain beside the known sesquiterpene lactones, arborescin [1], argentiolide B [3], deacetyl argentiolide B[2] and artemolin [4] previously isolated from the aerial parts of the same plant, a group of lignan compounds namely (+)-sesamin [5], aschantin [6] and demethoxy excelsin [7] isolated from the plant for the first time.
All the known compounds were identified by spectroscopic analysis and comparison with authentic reference materials isolated from the aerial parts or by comparison with data cited in the literature.