| 词条 | Procyanidin B4 |
| 释义 |
| Watchedfields = changed | verifiedrevid = 318433201 | Name = Procyanidin B4 | Reference = | ImageFile = Procyanidin B4.svg | ImageName = Chemical structure of procyanidin B | ImageSize = 200px | IUPACName = | OtherNames = Procyanidin B4 |Section1={{Chembox Identifiers | CASNo = 29106-51-2 | CASNoOther = | PubChem = 147299 | ChEBI_Ref = {{ebicite|correct|EBI}} | ChEBI = 27589 | KEGG = C10238 | UNII = 2OP8987K2X | ChEMBL = 447373 | ChemSpiderID = 129882 | SMILES = O[C@@H]1Cc2c(O)cc(O)c([C@H]3[C@H](O)[C@H](Oc4cc(O)cc(O)c34)c3ccc(O)c(O)c3)c2O[C@@H]1c1ccc(O)c(O)c1 | StdInChI = 1S/C30H26O12/c31-13-7-20(37)24-23(8-13)41-29(12-2-4-16(33)19(36)6-12)27(40)26(24)25-21(38)10-17(34)14-9-22(39)28(42-30(14)25)11-1-3-15(32)18(35)5-11/h1-8,10,22,26-29,31-40H,9H2/t22-,26+,27+,28-,29-/m1/s1 | StdInChIKey = XFZJEEAOWLFHDH-VUGKQVTMSA-N |Section2={{Chembox Properties | Formula = C30H26O12 | MolarMass = 578.52 g/mol | Appearance= | Density= | MeltingPtC= | BoilingPt= | Solubility= |Section3={{Chembox Hazards | MainHazards= | FlashPt= | AutoignitionPt = }} 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
References1. ^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 {{procyanidin}}{{Natural-phenol-stub}}2. ^Catechin and proanthocyanidin B4 from grape seeds prevent doxorubicin-induced toxicity in cardiomyocytes. Yu Du and Hongxiang Lou, 2008.{{dead link|date=March 2019|bot=medic}}{{cbignore|bot=medic}} 3. ^Structure elucidation of proanthocyanidins: Direct synthesis and isolation from Pilsener beer. Jan Delcour, 1985 {{webarchive|url=https://web.archive.org/web/20110706132451/http://www.agr.kuleuven.ac.be/lmt/labolmc/DOCS/Delcour.htm |date=2011-07-06 }} 1 : Procyanidin dimers |
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