Profisetinidin

A profisetinidin is a type of condensed tannins formed from leuco-fisetinidin, the leucoanthocyanidin form of fisetinidin.

Mimosa and quebracho tannins are, according to a comparative 13C NMR study of polyflavonoids, found to be predominantly profisetinidin/prorobinetidin-type tannins.[1]

The expected masses found in mass spectrometry in quebracho tannin are 561, 833, 1105, 1377, 1393, 1651, 1667. Quebracho also yields gallic acid.

References

  1. ^ Rahim, Afidah A.; Rocca, Emmanuel; Steinmetz, Jean; Jain Kassim, M.; Sani Ibrahim, M.; Osman, Hasnah (March 2008). "Antioxidant activities of mangrove Rhizophora apiculata bark extracts". Food Chemistry. 107 (1): 200–207. doi:10.1016/j.foodchem.2007.08.005.
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Condensed tannins
Oligomers
  • Procyanidins
  • Prodelphinidins
  • Profisetinidins
  • Proguibourtinidins
  • Promelacacinidins
  • Propelargonidins
  • Prorobinetidins
  • Proteracacinidins
Misc.
  • Phlobaphenes (phlobatannins)
  • Tannin sources
  • Tannosome


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