From Wikipedia, the free encyclopedia
Jump to navigation Jump to search
Chemical structure of bicornin
3D model (JSmol)
Molar mass 1088.71 g/mol
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

Bicornin is an ellagitannin found in the Myrtales Trapa bicornis (water caltrop)[1] and Syzygium aromaticum (clove).[2]

The molecule contains a luteic acid group.[3]


  1. ^ Bicornin, a new hydrolyzable tannin from Trapa bicornis, and revised structure of alnusiin. Yoshida T, Yazaki K, Memon M.U, Maruyama I, Kurokawa K and Okuda T, Heterocycles, 1989, volume 29, number 5, pages 861-864 INIST:6780591
  2. ^ Hydrolysable Tannins Isolated from Syzygium aromaticum: Structure of a New C-Glucosidic Ellagitannin and Spectral Features of Tannins with a Tergalloyl Group. Li-Ming Bao, Eerdunbayaer, Akiko Nozaki, Eizo Takahashi, Keinosuke Okamoto, Hideyuki Ito and Tsutomu Hatano, Heterocycles, 2012, Volume 85, Number 2, pages 365-381, doi:10.3987/COM-11-12392
  3. ^ Structures of alnusiin and bicornin, new hydrolyzable tannins having a monolactonized tergalloyl group. Yoshida T, Yazaki K, Memon M.U, Maruyama I, Kurokawa K, Shingu T and Okuda T, Chemical and pharmaceutical bulletin, 1989, volume 37, number 10, pages 2655-2660, INIST:19467830 (abstract)

External links[edit]