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03960590

Epigallocatechin

primary reference standard

Sinonimo/i:

(−)-Epigallocatechin, (−)-cis-2-(3,4,5-Trihydroxyphenyl)-3,4-dihydro-1(2H)-benzopyran-3,5,7-triol, (−)-cis-3,3′,4′,5,5′,7-Hexahydroxyflavane

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About This Item

Formula empirica (notazione di Hill):
C15H14O7
Numero CAS:
970-74-1
Peso molecolare:
306.27
Numero MDL:
MFCD00075939
Codice UNSPSC:
85151701
ID PubChem:
329747847
NACRES:
NA.24

Grado

primary reference standard

Durata

limited shelf life, expiry date on the label

Produttore/marchio commerciale

HWI

applicazioni

food and beverages

Temperatura di conservazione

−20°C

Stringa SMILE

O[C@@H]1Cc2c(O)cc(O)cc2O[C@@H]1c3cc(O)c(O)c(O)c3

InChI

1S/C15H14O7/c16-7-3-9(17)8-5-12(20)15(22-13(8)4-7)6-1-10(18)14(21)11(19)2-6/h1-4,12,15-21H,5H2/t12-,15-/m1/s1
XMOCLSLCDHWDHP-IUODEOHRSA-N

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Categorie correlate

Descrizione generale

Produced and qualified by HWI pharma services GmbH.
Exact content by quantitative NMR can be found on the certificate.

Applicazioni

Reference Standard in the analysis of herbal medicinal products

Azioni biochim/fisiol

Green tea polyphenol. Anticancer agent. Lower antioxidant activity than EGCG.

Codice della classe di stoccaggio

11 - Combustible Solids

Classe di pericolosità dell'acqua (WGK)

WGK 3

Punto d’infiammabilità (°F)

Not applicable

Punto d’infiammabilità (°C)

Not applicable

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Certificati d'analisi (COA)

Lot/Batch Number
HWI02446-1
HWI02446
HWI01554-4
HWI01554-3
HWI01554-2

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(−)-Epicatechin ≥90% (HPLC)

Sigma-Aldrich

E1753

(−)-Epicatechin

(−)-Epigallocatechin gallate ≥95%

Sigma-Aldrich

E4143

(−)-Epigallocatechin gallate

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

Sigma-Aldrich

E4018

(−)-Epicatechin

(−)-Epigallocatechin gallate analytical standard

Supelco

93894

(−)-Epigallocatechin gallate

(+)-Catechin analytical standard

Supelco

43412

(+)-Catechin

(−)-Epigallocatechin gallate ≥80% (HPLC), from green tea

Sigma-Aldrich

E4268

(−)-Epigallocatechin gallate

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

Sigma-Aldrich

G6782

(−)-Gallocatechin gallate

Green Tea Catechin Mix 100 μg/mL each component in acetonitrile: water (8:2) with 5% 1M HCl, ampule of 1.0 mL, certified reference material, Cerilliant®

Supelco

G-016

Green Tea Catechin Mix

Yi-Bin Zhou et al.
Journal of agricultural and food chemistry, 60(7), 1619-1627 (2012-01-10)
Metabolic profiles of broiler chickens were examined after the ingestion of green tea, tea polyphenols, and (-)-epigallocatechin-3-gallate (EGCG). Solid-phase extraction of serum and litters yielded free catechins and their metabolites, which were then identified and quantified by liquid chromatography-tandem mass
Enantioselective total syntheses of (+)-gallocatechin, (-)-epigallocatechin, and 8-C-ascorbyl-(-)-epigallocatechin.
Guang Lin et al.
Chemistry, an Asian journal, 8(4), 700-704 (2013-01-31)
Li-Ping Bai et al.
PloS one, 8(1), e53962-e53962 (2013-01-22)
With the aim of enhancing G-quadruplex binding activity, two new glucosaminosides (16, 18) of penta-methylated epigallocatechin were synthesized by chemical glycosylation. Subsequent ESI-TOF-MS analysis demonstrated that these two glucosaminoside derivatives exhibit much stronger binding activity to human telomeric DNA and
Yoo-Hyun Lee et al.
International journal of molecular medicine, 30(1), 69-74 (2012-04-17)
Manipulating acetylation status of key gene targets is likely to be crucial for effective cancer therapy. In this study, we utilized green tea catechins, epicatechin (EC), epigallocatechin (EGC) and epigallocatechin-3-gallate (EGCG) to examine the regulation of androgen receptor acetylation in
K Koga et al.
Journal of food science, 78(1), H105-H111 (2013-01-03)
The pancreatic lipase inhibitory (PLI) activity of leaf extracts (aqueous, 60 and 99.8 (v/v)% EtOH) of Salacia reticulata Wight, referred to "Kothala himbutu" (KT) in Singhalese, was compared with that of KT stem extracts. Evaporated residue contents and PLI activity
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