Procyanidin B4
Procyanidin B4 is a B [type proanthocyanidin].
Procyanidin-B4 is a catechin--epicatechin dimer. It is found in the litchi pericarp, in grape seeds, and, along with 4-cis-isomer of procyanidin B4, in beer.
Procyanidin B4 is a B [type proanthocyanidin].
Procyanidin-B4 is a catechin--epicatechin dimer. It is found in the litchi pericarp, in grape seeds, and, along with 4-cis-isomer of procyanidin B4, in beer.