Astragalosides from hairy root cultures of Astragalus membranaceus

A new astragaloside, named agroastragaloside I and four known astragalosides, acetylastragaloside I, astragaloside I, astragaloside III and astragaloside IV were isolated from the hairy root cultures of Astragalus membranaceus. The structures of these compounds were elucidated by the spectroscopic data.