A new quercetin glycoside and other phenolic compounds from the genus Filipendula

A total of 48 compounds and the new flavonoid glycoside ulmarioside, which was identified as quercetin-4'-O-alpha-rhamnopyranosyl-(1 -> 6)-beta-glucopyranoside (quercetin-4'-O-rutinoside), were isolated from Filipendula ulmaria (Rosaceae). Phenolic compounds from six species of Filipendula (F. camtschatica, F. denudata,F. palmata, F. stepposa, F. ulmaria, F. vulgaris) growing in Russia were compared.