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03940590

Epicatechin

primary reference standard

Sinónimos:

(−)-Epicatechin, (−)-cis-3,3′,4′,5,7-Pentahydroxyflavane, (2R,3R)-2-(3,4-Dihydroxyphenyl)-3,4-dihydro-1(2H)-benzopyran-3,5,7-triol

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About This Item

Fórmula empírica (notación de Hill):
C15H14O6
Número de CAS:
490-46-0
Peso molecular:
290.27
Beilstein:
92760
Número CE:
207-710-1
Número MDL:
MFCD00075648
Código UNSPSC:
85151701
ID de la sustancia en PubChem:
329747844
NACRES:
NA.24

grado

primary reference standard

caducidad

limited shelf life, expiry date on the label

fabricante / nombre comercial

HWI

mp

240 °C (dec.) (lit.)

aplicaciones

food and beverages

temp. de almacenamiento

−20°C

cadena SMILES

O[C@@H]1Cc2c(O)cc(O)cc2O[C@@H]1c3ccc(O)c(O)c3

InChI

1S/C15H14O6/c16-8-4-11(18)9-6-13(20)15(21-14(9)5-8)7-1-2-10(17)12(19)3-7/h1-5,13,15-20H,6H2/t13-,15-/m1/s1

Clave InChI

PFTAWBLQPZVEMU-UKRRQHHQSA-N

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Categorías relacionadas

Descripción general

Epicatechin is a potential antioxidant flavonoid, which belongs to the catechin family. It is commonly found in monomeric or/and oligomeric forms in green teas, red wine, cocoa products, and various fruits like grape seeds.
Produced and qualified by HWI pharma services GmbH.
Exact content by quantitative NMR can be found on the certificate.

Aplicación

Reference Standard in the analysis of herbal medicinal products

Pictogramas

Exclamation mark
GHS07

Palabra de señalización

Warning

Frases de peligro

H315,H319,H335

Consejos de prudencia

P261 - P305 + P351 + P338

Clasificaciones de peligro

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

Órganos de actuación

Respiratory system

Código de clase de almacenamiento

11 - Combustible Solids

Clase de riesgo para el agua (WGK)

WGK 3

Punto de inflamabilidad (°F)

Not applicable

Punto de inflamabilidad (°C)

Not applicable

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Certificados de análisis (COA)

Lot/Batch Number
HWI02311-3
HWI02311-2
HWI02311-1
HWI02311
HWI01708-1

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(+)-Catechin Pharmaceutical Secondary Standard; Certified Reference Material

Supelco

PHR1963

(+)-Catechin

(+)-Catechin United States Pharmacopeia (USP) Reference Standard

USP

1096790

(+)-Catechin

(−)-Epigallocatechin analytical standard

Supelco

08108

(−)-Epigallocatechin

(+)-Catechin hydrate ≥98% (HPLC), powder

Sigma-Aldrich

C1251

(+)-Catechin hydrate

(−)-Catechin ≥97% (HPLC), from green tea

Sigma-Aldrich

C0567

(−)-Catechin

(+)-Catechin phyproof® Reference Substance

PHL89172

(+)-Catechin

Major flavonoids in grape seeds and skins: antioxidant capacity of catechin, epicatechin, and gallic acid
Yilmaz Y and Toledo.TR
Journal of Agricultural and Food Chemistry, 52, 255-260 (2004)
Structures of (?)-epicatechin glucuronide identified from plasma and urine after oral ingestion of (?)-epicatechin: differences between human and rat
Natsume M, et al.
Free Radical Biology & Medicine, 34, 840-849 (2003)
Uptake and metabolism of epicatechin and its access to the brain after oral ingestion
Mohsen EA.MM, et al.
Free Radical Biology & Medicine, 33, 1693-1702 (2002)
Min-Hsiung Pan et al.
Food & function, 2(2), 101-110 (2011-07-23)
The consumption of green tea has long been associated with a reduced risk of cancer development. (-)-Epicatechin-3-gallate (ECG) or (-)-epigallocatechin-3-gallate (EGCG) are the major antioxidative polyphenolic compounds of green tea. They have been shown to exert growth-inhibitory potential of various
Midori Natsume et al.
Free radical biology & medicine, 34(7), 840-849 (2003-03-26)
(-)-epicatechin is one of the most potent antioxidants present in the human diet. Particularly high levels are found in black tea, apples, and chocolate. High intake of catechins has been associated with reduced risk of cardiovascular diseases. There have been
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Analysis of Caffeine and Catechins in Green Tea

Validated HPLC method (based on Ph. Eur. Monograph 2668) for quantifying catechins and caffeine in decaffeinated green tea using a Chromolith® High Resolution RP-18e column with advantages in terms of backpressure and matrix robustness.

Analysis of Caffeine and Catechins in Green Tea

Validated HPLC method (based on Ph. Eur. Monograph 2668) for quantifying catechins and caffeine in decaffeinated green tea using a Chromolith® High Resolution RP-18e column with advantages in terms of backpressure and matrix robustness.

Analysis of Caffeine and Catechins in Green Tea

Validated HPLC method (based on Ph. Eur. Monograph 2668) for quantifying catechins and caffeine in decaffeinated green tea using a Chromolith® High Resolution RP-18e column with advantages in terms of backpressure and matrix robustness.

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