Procyanidin B4 is a B type proanthocyanidin.

Procyanidin-B4 is a catechin-(4α→8)-epicatechin dimer.

It is found in the litchi pericarp,[1] in grape seeds,[2] and, along with 4-cis-isomer of procyanidin B4, in beer.

[3] This article about an aromatic compound is a stub.

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