Procyanidin B5 is a B type proanthocyanidin.
Procyanidin B5 is an epicatechin-(4ò â 6)-epicatechin dimer.
It can be found in grape seeds, in Hibiscus cannabinus (kenaf) root and bark, and in black chokeberries (Aronia melanocarpa).
It is found in cocoa beans and chocolate.