Acylated flavonol glycosides from Delphinium staphisagria

An ethanolic extract of the aerial parts of Delphinium staphisagria L. from Tenerife yielded four new flavonol glycosides 2 ''-acetylastragalin, 2 ''-acetylpaeonoside, quercetin 3-O-(2-acetyl-beta-glucopyranoside)-7-O-beta-glucopyranoside and 2 ''-acetylpetiolaroside in addition to astragalin, isoquercitrin, paeonoside, kaempferol 3-O-beta-glucopyranoside-7-O-alpha-rhamnopyranoside, petiolaroside and rutin. (c) 2008 Phytochemical Society of Europe. Published by Elsevier B.V. All rights reserved.