Tannins of rosaceous medicinal plants. Part 2. Gemins A, B, and C, new dimeric ellagitannins from Geum japonicum

@inproceedings{Yoshida1985TanninsOR,
  title={Tannins of rosaceous medicinal plants. Part 2. Gemins A, B, and C, new dimeric ellagitannins from Geum japonicum},
  author={Takashi Yoshida and Takuo Okuda and M. Usman Memon and Tetsuro Shingu},
  year={1985}
}
Three novel dimeric hydrolysable tannins, gemins A, B, and C, have been isolated from the leaves of Geum japonicum(Thunb.) and their structures, which have α- and β-glucose cores linking through a dehydrodigalloyl group, have been elucidated from spectral and chemical evidence