A novel biflavonoid from roots of Glycyrrhiza uralensis cultivated in China

Abstract

A novel biflavonoid named licobichalcone was isolated from the roots of Glycyrrhiza uralensis cultivated in China, along with twelve known compounds, including five chalcones, two isoflavones, two flavanones, two flavones and one pterocarpan. Their structures were respectively elucidated on the basis of chemical and spectroscopic evidence. © 2003 Pharmaceutical Society of Japan.