Chemical and Genetic Differentiation of Ligularia hodgsonii in Japan and China

The chemical composition of the root extract and neutral base sequences of L. hodgsonii samples collected in Japan and China were examined. From the Japanese and the Chinese samples, 6 β ‐(angeloyloxy)furanoeremophilan‐15‐oic acid ( 2 ) and 3 β ‐acetoxy‐6 β ‐[(2‐methylbutanoyl)oxy]furanoeremophilan‐10 β ‐ol ( 3 ) were isolated as the major component, respectively. The sequence of the internal transcribed spacers (ITSs) of the ribosomal RNA gene...