Proteracacinidin
Appearance
Proteracacinidins are polymeric condensed tannins composed of mesquitol. This type of tannin can be found in Acacia caffra (Senegalia caffra).[1][2][3]
The oxydative depolymerisation of proteracacinidins yields the anthocyanidin teracacinidin.
References
- ^ Structure and synthesis of ether-linked proteracacinidin and promelacacinidin proanthocyanidins from Acacia caffra. L Bennie, E Malan, J Coetzee and D Ferreira, Phytochemistry, 2000
- ^ A (4β→ 5)-linked proteracacinidin dimer from the heartwood of Acacia caffra. E Malan - Phytochemistry, 1995
- ^ A novel doubly-linked proteracacinidin analogue from Acacia caffra. E Malan, A Sireeparsad, JFW Burger and D Ferreira, Tetrahedron letters, 1994