Procyanidin B5

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Procyanidin B5
Chemical structure of procyanidin B5
IUPAC name
Other names
Procyanidin B5
Jmol-3D images Image
PubChem 124017
Molar mass 578.52 g/mol
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references

Procyanidin B5 is a B type proanthocyanidin.

Procyanidin B5 is an epicatechin-(4β → 6)-epicatechin dimer. It can be found in grape seeds[1] and in Hibiscus cannabinus (kenaf) root and bark.[2]


  1. ^ Procyanidin dimers and trimers from grape seeds. Jorge M. Ricardo da Silva, Jacques Rigaud, Véronique Cheynier, Annie Cheminat and Michel Moutounet, Phytochemistry, Volume 30, Issue 4, 1991, Pages 1259-1264
  2. ^ Dimeric proanthocyanidins of Hibiscus cannabinus. Fam Van Tkhin', B. Makhsudova and O. S. Otroshchenko, Chemistry of Natural Compounds, Volume 18, Number 3, pages 310-314, doi:10.1007/BF00580458