Procyanidin B4 Explained

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]

See also

• Phenolic content in wine

Notes and References

1. http://cat.inist.fr/?aModele=afficheN&cpsidt=18403041 Immunomodulatory and anticancer activities of flavonoids extracted from litchi (Litchi chinensis Sonn.) pericarp. Mouming Zhao; Bao Yang; Jinshui Wang; Yang Liu; Limei Yu; Yueming Jiang, 2007
2. http://www.sciencedirect.com/science?_ob=ArticleURL&_udi=B6T1J-4STYV28-2&_user=10&_coverDate=09%2F04%2F2008&_alid=1024752727&_rdoc=1&_fmt=high&_orig=search&_cdi=4892&_docanchor=&view=c&_ct=84&_acct=C000050221&_version=1&_urlVersion=0&_userid=10&md5=b2823cf3f6111723f37fa00dc6f16f0e Catechin and proanthocyanidin B4 from grape seeds prevent doxorubicin-induced toxicity in cardiomyocytes. Yu Du and Hongxiang Lou, 2008.
3. http://www.agr.kuleuven.ac.be/lmt/labolmc/DOCS/Delcour.htm Structure elucidation of proanthocyanidins: Direct synthesis and isolation from Pilsener beer. Jan Delcour, 1985