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03970590

Epigallocatechin gallate

primary reference standard

Sinonimo/i:

(−)-Epigallocatechin gallate, (−)-cis-2-(3,4,5-Trihydroxyphenyl)-3,4-dihydro-1(2H)-benzopyran-3,5,7-triol 3-gallate, (−)-cis-3,3′,4′,5,5′,7-Hexahydroxy-flavane-3-gallate, EGCG

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About This Item

Formula empirica (notazione di Hill):
C22H18O11
Numero CAS:
989-51-5
Peso molecolare:
458.37
Numero MDL:
MFCD00075940
Codice UNSPSC:
85151701
ID PubChem:
329747849
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

Oc1cc(O)c2C[C@@H](OC(=O)c3cc(O)c(O)c(O)c3)[C@H](Oc2c1)c4cc(O)c(O)c(O)c4

InChI

1S/C22H18O11/c23-10-5-12(24)11-7-18(33-22(31)9-3-15(27)20(30)16(28)4-9)21(32-17(11)6-10)8-1-13(25)19(29)14(26)2-8/h1-6,18,21,23-30H,7H2/t18-,21-/m1/s1
WMBWREPUVVBILR-WIYYLYMNSA-N

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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

Pittogrammi

Exclamation markEnvironment
GHS07,GHS09

Avvertenze

Warning

Indicazioni di pericolo

H302,H317,H319,H411

Classi di pericolo

Acute Tox. 4 Oral - Aquatic Chronic 2 - Eye Irrit. 2 - Skin Sens. 1

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

Scegli una delle versioni più recenti:

Certificati d'analisi (COA)

Lot/Batch Number
HWI03035-1
HWI02101-3
HWI03035
HWI02101-2
HWI02101-1

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Sigma-Aldrich

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(−)-Epigallocatechin ≥95% (HPLC), from green tea

Sigma-Aldrich

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Sigma-Aldrich

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

Sigma-Aldrich

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(−)-Epigallocatechin analytical standard

Supelco

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(−)-Epigallocatechin

(−)-Epigallocatechin phyproof® Reference Substance

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(−)-Epigallocatechin

(+)-Catechin phyproof® Reference Substance

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(+)-Catechin

Epicatechin primary reference standard

03940590

Epicatechin

Olivier M Dorchies et al.
American journal of physiology. Cell physiology, 290(2), C616-C625 (2006-01-13)
Duchenne muscular dystrophy is a frequent muscular disorder caused by mutations in the gene encoding dystrophin, a cytoskeletal protein that contributes to the stabilization of muscle fiber membrane during muscle activity. Affected individuals show progressive muscle wasting that generally causes
M Ichihashi et al.
Journal of dermatological science, 23 Suppl 1, S45-S50 (2000-04-15)
Reactive oxygen species (ROS) have been shown to be responsible for inducing DNA damage after ultraviolet radiation (UV). Antioxidant, vitamin E and epigallocatechin gallate extracted from green tea, applied topically to the skin, delayed the onset of UV-induced skin cancer
Masaki Kanadzu et al.
Cancer letters, 241(2), 250-255 (2005-11-24)
(-)-Epigallocatechin gallate (EGCG), a catechin polyphenol component, is the main ingredient of green tea extract. Recently, increasing attention has been given to its anti-oxidant effects. However, several studies reported the oxidative effects of EGCG, suggesting that EGCG had a dual
Angélique Stalmach et al.
Molecular nutrition & food research, 53 Suppl 1, S44-S53 (2008-11-04)
Ten healthy human subjects consumed 500 mL of Choladi green tea, containing 648 mumol of flavan-3-ols after which plasma and urine were collected over a 24 h period and analysed by HPLC-MS. Plasma contained a total of ten metabolites, in
Silvia A Mandel et al.
Journal of Alzheimer's disease : JAD, 15(2), 211-222 (2008-10-28)
Although much progress has been made in understanding the pathogenesis of Alzheimer's disease (AD), the current therapeutic approaches are merely symptomatic, intended for the treatment of cognitive symptoms, such as disturbances in memory and perception. Novel promising strategies suggest the
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