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Supelco

Procyanidin B2

analytical standard

Synonyme(s) :

(−)-Epicatechin (4β-8)-(−)-epicatechin, 4,8″-Bi-[(+)-epicatechin], cis,cis″-4,8″-Bi(3,3′,4′,5,7-pentahydroxyflavane), Proanthocyanidin B2

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About This Item

Formule empirique (notation de Hill):
C30H26O12
Numéro CAS:
29106-49-8
Poids moléculaire :
578.52
Numéro MDL:
MFCD01861513
Code UNSPSC :
85151701
ID de substance PubChem :
329756197
Nomenclature NACRES :
NA.24

Qualité

analytical standard

Niveau de qualité

100

Pureté

≥90% (HPLC)

Technique(s)

HPLC: suitable
gas chromatography (GC): suitable

Application(s)

food and beverages

Format

neat

Température de stockage

2-8°C

Chaîne SMILES 

O[C@@H]1Cc2c(O)cc(O)c([C@@H]3[C@@H](O)[C@H](Oc4cc(O)cc(O)c34)c5ccc(O)c(O)c5)c2O[C@@H]1c6ccc(O)c(O)c6

InChI

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

Clé InChI

XFZJEEAOWLFHDH-NFJBMHMQSA-N

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Catégories apparentées

Description générale

Procyanidin B2 is a B type of proanthocyanidin, that is present in plants, especially in grape seeds, apples and cacao seeds, which is known to possess anti-inflammatory properties and antioxidant properties.

Application

Refer to the product′s Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support.

Conditionnement

Bottomless glass bottle. Contents are inside inserted fused cone.

Code de la classe de stockage

11 - Combustible Solids

Classe de danger pour l'eau (WGK)

WGK 3

Point d'éclair (°F)

Not applicable

Point d'éclair (°C)

Not applicable

Équipement de protection individuelle

Eyeshields, Gloves, type N95 (US)

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Certificats d'analyse (COA)

Lot/Batch Number
WXBF1788V
BCCK0997
BCCH6360
BCCF7520
BCBZ9111

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Cinnamtannin A2 phyproof® Reference Substance

PHL83372

Cinnamtannin A2

USP

USP

1539803

Maritime pine extract

(−)-Épicatéchine ≥98% (HPLC), from green tea

Sigma-Aldrich

E4018

(−)-Épicatéchine

Digalactosyl diglyceride ≥93% (TLC), from whole wheat flour, lyophilized powder

Sigma-Aldrich

D4651

Digalactosyl diglyceride

(−)-Épicatéchine ≥90% (HPLC)

Sigma-Aldrich

E1753

(−)-Épicatéchine

(+)-Catechin analytical standard

Supelco

43412

(+)-Catechin

(−)-Épicatéchine primary reference standard

03940590

(−)-Épicatéchine

Javier I Ottaviani et al.
The American journal of clinical nutrition, 95(4), 851-858 (2012-03-02)
Accumulating data show a causal role for flavanols in the mediation of cardiovascular benefits associated with the consumption of flavanol- and procyanidin-containing foods. Evidence for a direct causal role for procyanidins in this context is far less profound due to
Stavroula Stoupi et al.
Drug metabolism and disposition: the biological fate of chemicals, 38(2), 287-291 (2009-11-17)
Procyanidins are important biologically active compounds, but the pathway and extent of absorption and metabolism are controversial. We conducted a mass balance study to evaluate the total radioactivity excreted in urine and feces after oral administration of [(14)C]procyanidin B2 to
Nabeelah Bibi Sadeer et al.
Journal of pharmaceutical and biomedical analysis, 174, 19-33 (2019-06-04)
Africa is famous for its floral biodiversity, exploited by local people for therapeutic purposes. However, such plants need to be scrutinised scientifically for the presence of bioactive compounds and possible biological properties. This study attempts for the first time to
Stavroula Stoupi et al.
Molecular nutrition & food research, 54(6), 747-759 (2009-11-28)
The catabolism by human faecal microbiota of (-)-epicatechin (1) (2, 3-cis stereochemistry) and its dimer pure procyanidin B2 (2), has been compared using a static in vitro culture model. The catabolites were characterised by LC-MS(n), UV absorption and relative retention
Absorption and urinary excretion of procyanidin B2 [epicatechin-(4?-8)-epicatechin] in rats
Baba S, et al.
Free Radical Biology & Medicine, 33, 142-148 (2012)
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