Studies on the flavonoids in stem of Rhododendron anthopogonoide II / 中国中药杂志

ABSTRACT

<p><b>OBJECTIVE</b>To further investigate the flavonoids of Rhododendron anthopogonoide.</p><p><b>METHOD</b>The compounds were isolated and purified by Sephadex LH-20, polyamide and silica gel column chromatography. Their chemical structures were elucidated on the basis of physicochemical properties and spectral data.</p><p><b>RESULT</b>Six compounds were isolated and identified as: taxifolin (I), guaijaverin (II), reynoutrin (III), quercitrin (IV), polystachoside (V) and quercetin-4'-O-beta-D-galactoside (VI).</p><p><b>CONCLUSION</b>For the first time, compound VI was separated from Ericaceae plant, compounds II and V were isolated from Rhododendron plant, and compounds I and II were obtained from this plant.</p>