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Merck

42157

Supelco

Procyanidin B2

analytical standard

Sinónimos:

(−)-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

Fórmula empírica (notación de Hill):
C30H26O12
Número de CAS:
Peso molecular:
578.52
MDL number:
UNSPSC Code:
85151701
PubChem Substance ID:
NACRES:
NA.24

grade

analytical standard

Quality Level

assay

≥90% (HPLC)

technique(s)

HPLC: suitable
gas chromatography (GC): suitable

application(s)

food and beverages

format

neat

storage temp.

2-8°C

SMILES string

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

InChI key

XFZJEEAOWLFHDH-NFJBMHMQSA-N

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General description

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.

Packaging

Bottomless glass bottle. Contents are inside inserted fused cone.

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)


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Certificados de análisis (COA)

Lot/Batch Number

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Visite la Librería de documentos

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
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
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)
Daniela Rossin et al.
Antioxidants (Basel, Switzerland), 8(6) (2019-06-04)
Exaggerated Toll-like receptor (TLR)-mediated immune and inflammatory responses play a role in inflammatory bowel diseases. This report deals with the ability of a mixture of oxysterols widely present in cholesterol-rich foods to induce in vitro intestinal inflammation through TLR up-regulation.
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

Artículos

Antioxidants protect biological systems from oxidative damage produced by oxygen-containing free radicals and from redoxactive transition metal ions such as iron, copper, and cadmium.

Protocolos

HPLC Analysis of Polyphenols in Nero d'Avola Red Wine on Discovery® HS C18 (UV 280 nm)

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