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Merck

E4268

(−)-Epigallocatechin gallate

≥80% (HPLC), from green tea

Sinónimos:

(−)-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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Fórmula empírica (notación de Hill):
C22H18O11
Número CAS:
989-51-5
Peso molecular:
458.37
NACRES:
NA.79
PubChem Substance ID:
57654159
UNSPSC Code:
12352205
MDL number:
MFCD00075940

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Nombre del producto

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

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

SMILES string

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 key

WMBWREPUVVBILR-WIYYLYMNSA-N

biological source

green tea

assay

≥80% (HPLC)

application(s)

metabolomics
vitamins, nutraceuticals, and natural products

storage temp.

2-8°C

Quality Level

200

Gene Information

human ... CYP1A2(1544)

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Application

(−)-Epigallocatechin gallate has been used as:
  • a potential neuroprotective agent to test its protective effect against spinal cord injury and blood-spinal cord barrier (BSCB) leakage
  • an effective antioxidant against light-induced photoreceptor degeneration in mice retina
  • an antioxidant in retinitis pigmentosa (RP) and reduces oxidative damage and changes circadian rhythms in pigmented heterozygous P23H rat
  • to test its reversal effect on Diastolic dysfunction in restrictive cardiomyopathy (RCM) mice
  • an anti-cancer agent in colorectal cancer in mice

Biochem/physiol Actions

(−)-Epigallocatechin gallate (EGCG) comprises eight -hydroxyl (OH) groups that determine its high antioxidant property. Other than being an efficient free oxygen radical scavenger, it also acts as a good chelating agent and a modulator of important transcription factors, namely nuclear factor-kappa β (NF-kβ). EGEC is proven to be an efficient anti-obesity agent by increasing energy expenditure, fat oxidation, and lowering appetite in humans. EGCG also acts as an anti-inflammatory and neuroprotective agent in the initial stages of ischemia and spinal cord injury. It reduces caveolin-1 expression, maintaining blood-brain barrier integrity and downregulating pro-inflammatory cytokines.

General description

(−)-Epigallocatechin gallate, is a bioactive component of green tea accounting for 50-80% of the total catechin content.

pictograms

Exclamation markEnvironment
GHS07,GHS09

signalword

Warning

Hazard Classifications

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

Clase de almacenamiento

11 - Combustible Solids

wgk

WGK 2

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
SLCG1672
SLCF5113
SLCD5237
SLBX0813
SLBW2027

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Shounan Qi et al.
Molecular vision, 23, 171-178 (2017-05-02)
(-)-epigallocatechin-3-gallate (EGCG), a major catechin component of green tea, is reported to delay or prevent certain forms of cancer, arthritis, cardiovascular disease, and neurodegenerative disorders. In this study, we determined if systemically administered EGCG could protect the retina against light
Tea polyphenols-their antioxidant properties and biological activity-a review
Gramza A, et al.,
Polish Journal of Food and Nutrition Sciences, 14(3), 219-219 (2005)
Yoichi Kakuta et al.
Transplant international : official journal of the European Society for Organ Transplantation, 24(5), 514-522 (2011-02-05)
Epigallocatechin-3-gallate (EGCG) shows diverse chemical and biological activities. We investigated the effects of EGCG in a rat renal ischemia reperfusion (I/R) injury model. Sprague-Dawley rats received intraperitoneal injection of 50 mg/kg EGCG 48 h, 24 h, and 30 min prior
Xin Wang et al.
World journal of gastroenterology, 23(46), 8128-8139 (2018-01-02)
To investigate the effect of epigallocatechin gallate (EGCG) on structural changes of gut microbiota in colorectal carcinogenesis. An azoxymethane (AOM)/dextran sodium sulfate (DSS)-induced colitis mouse model was established. Forty-two female FVB/N mice were randomly divided into the following three groups:
Sourav Das et al.
Journal of pharmaceutical analysis, 11(4), 422-434 (2021-09-14)
Green synthesis of silver nanoparticles (AgNPs) has garnered tremendous interest as conventional methods include the use and production of toxic chemicals, products, by-products and reagents. In this regard, the synthesis of AgNPs using green tea (GT) extract and two of
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