Quercetin triglycoside from Capparis spinosa

In addition to rutin, quercetin 3-O-glucoside and quercetin 3-O-glucoside-7-O-rhamnoside, the methanolic extract of the aerial parts of Capparis spinosa yielded the new flavonoid quercetin 3-O-[6'''-alpha-L-rhamnosyl-6 -beta-D-glucosy]-beta-D-glucoside (1). (C) 2000 Elsevier Science B.V. All rights reserved.