Procyanidin B8 is a B type proanthocyanidin.

Procyanidin B8 is a catechin-(4α→6)-epicatechin dimer. It can be found in grape seeds[1] and in beer.[2]

References

  1. ^ Procyanidin dimers and trimers from grape seeds. Jorge M. Ricardo da Silva, Jacques Rigaud, Véronique Cheynier, Annie Cheminat and Michel Moutounet,Phytochemistry, 1991, Volume 30, Issue 4, Pages 1259–1264, doi:10.1016/S0031-9422(00)95213-0
  2. ^ Structure elucidation of proanthocyanidins: Direct synthesis and isolation from Pilsener beer. Jan Delcour, Thesis, 1985