- Article
Chemical Constituents of the Leaves of Butterbur (Petasites japonicus) and Their Anti-Inflammatory Effects
- Jin Su Lee,
- Miran Jeong,
- Sangsu Park,
- Seung Mok Ryu,
- Jun Lee,
- Ziteng Song,
- Yuanqiang Guo,
- Jung-Hye Choi,
- Dongho Lee and
- Dae Sik Jang
Two new aryltetralin lactone lignans, petasitesins A and B were isolated from the hot water extract of the leaves of butterbur (Petasites japonicus) along with six known compounds. The chemical structures of lignans 1 and 2 were elucidated on the bas...