A new flavonoid glycoside, Diosmetin 7-O-β-D-xylopyranosyl (1-6)-β-D-glucopyranoside namedas raddeanalin, was isolated from the extracts of the leaves ofsalix
A heteropolysaccharide, obtained from an aqueous extract of dried stem of Dendrobiumofficinale Kimura et Migo by anion-exchange chromatography and gel-permeatio