Procyanidin B5

Procyanidin B5
Names
IUPAC name
(2R,2ʼR,3R,3ʼR,4S)-2,2'-bis(3,4-dihydroxyphenyl)-3,3ʼ,4,4ʼ-tetrahydro-2H,2ʼH-4,6ʼ-bichromene-3,3ʼ,5,5ʼ,7,7ʼ-hexol
Other names
Procyanidin B5
Identifiers
ChEBI CHEBI:75621
Jmol interactive 3D Image
PubChem 124017
Properties
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 B5 is a B type proanthocyanidin.

Procyanidin B5 is an epicatechin-(4β → 6)-epicatechin dimer. It can be found in grape seeds[1] and in Hibiscus cannabinus (kenaf) root and bark.[2]

References

  1. Procyanidin dimers and trimers from grape seeds. Jorge M. Ricardo da Silva, Jacques Rigaud, Véronique Cheynier, Annie Cheminat and Michel Moutounet, Phytochemistry, Volume 30, Issue 4, 1991, Pages 1259-1264
  2. Dimeric proanthocyanidins of Hibiscus cannabinus. Fam Van Tkhin', B. Makhsudova and O. S. Otroshchenko, Chemistry of Natural Compounds, Volume 18, Number 3, pages 310-314, doi:10.1007/BF00580458
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