New Diarylheptanoid from the Barks of Alnus japonica Steudel

Abstract

A new diarylheptanoid glycoside, 1,7-bis-(3,4-dihydroxyphenyl)-5-hydroxyheptane- 3-O-β-D-xylopyranoside (1), together with nine known diarylheptanoids (2-10) were isolated from the fresh bark of Alnus japonica which is a species of the genus Alnus species, growing throughout Korea.