A new biisoflavonoid from the roots of Erythrina variegata |
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| Authors: | Tanaka Hitoshi Sudo Masaru Hirata Miyuki Etoh Hideo Sato Masaru Yamaguchi Ryozo Sakai Eiji Chen Ih-Sheng Fukai Toshio |
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| Institution: | Faculty of Pharmacy, Meijo University, Yagoto, Tempaku-ku, Nagoya 468-8503, Japan. hitoshi@ccmfs.meijo-u.ac.jp |
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| Abstract: | A new biisoflavonoid, biseryvarin A (1a), together with two known compounds were isolated from the roots of Erythrina variegata. The structure of biseryvarin A was established on the basis of spectroscopic evidence. Biseryvarin A is the first dimeric isoflavonoid possessing isoprenoid groups from the genus Erythrina. Biseryvarin A showed low activity against methicillin-resistant Staphylococcus aureus (MRSA). |
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