| 摘要 |
<P>PROBLEM TO BE SOLVED: To obtain an anticancer agent having high selectivity to tumor cells and little side-effects. <P>SOLUTION: A pharmaceutical composition for treating a tumor contains an extract obtained from willow with the use of a polar solvent, and the willow can be Kogome-Yanagi (Salix serissifolia), Ezonokinu-Yanagi(Salix pet-susu), Inukori-Yanagi(Salix integra), Tachi-Yanagi (Salix nipponica), Shidare-Yanagi (Salix babylonica), Neko-Yanagi (Salix brachystachys), Shiro-Yanagi (Salix jessoensis), Yoshino-Yanagi (Salix yoshinoi), Ootachi-Yanagi (Salix pierotii) or Onoe-Yanagi (Salix sachalinensis). <P>COPYRIGHT: (C)2010,JPO&INPIT |
