Der Pharma Chemica
Journal for Medicinal Chemistry, Pharmaceutical Chemistry, Pharmaceutical Sciences and Computational Chemistry
ISSN: 0975-413X
Abstract
Flavonoids from ethyl acetate extract of Echinops spinosus (Asteraceae)
Author(s): Manel Boumaraf, Samira Benyahia, Ratiba Mekkiou, Samir Benayache and Fadila BenayacheThe aim of the present study was the phytochemical investigation of the ethyl acetate (EtOAc) soluble parts of the aqueous-MeOH extract of the aerial parts of Echinops spinosus L. (Asteraceae). This work resulted in the isolation and identification of three known compounds, Apigenin(1), Apigenin-7-O-β-glucopyranoside (cosmosiin) (2) and apigenin-7-β-D-O-(6’’-O-E-p-coumaroyl)-glucopyranoside (3). The structures of the compounds were determined on the basis of extensive spectroscopic analysis, including UV, 1D and 2D NMR and comparison with the related known compounds. All these compounds are isolated from this species for the first time.
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