Procyanidin B4
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| IUPAC name
[(2R,3S,4S)-Flavan-3,3′,4′,5,7-pentol]-(4→8)-[(2R,3R)-flavan-3,3′,4′,5,7-pentol] | |
| Preferred IUPAC name
(2R,2′R,3S,3′R,4S)-2,2′-Bis(3,4-dihydroxyphenyl)-3,3′,4,4′-tetrahydro-2H,2′H-[4,8′-bi-1-benzopyran]-3,3′,5,5′,7,7′-hexol | |
| Other names
Procyanidin B4 | |
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| Properties | |
Chemical formula |
C30H26O12 |
| 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 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
References
- ↑ 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
- ↑ Catechin and proanthocyanidin B4 from grape seeds prevent doxorubicin-induced toxicity in cardiomyocytes. Yu Du and Hongxiang Lou, 2008.
- ↑ Structure elucidation of proanthocyanidins: Direct synthesis and isolation from Pilsener beer. Jan Delcour, 1985 Archived 2011-07-06 at the Wayback Machine
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