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03960590

Epigallocatechin

primary reference standard

Sinónimos:

(−)-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

Fórmula empírica (notación de Hill):
C15H14O7
Número de CAS:
970-74-1
Peso molecular:
306.27
MDL number:
MFCD00075939
UNSPSC Code:
85151701
PubChem Substance ID:
329747847
NACRES:
NA.24

grade

primary reference standard

shelf life

limited shelf life, expiry date on the label

manufacturer/tradename

HWI

application(s)

food and beverages

storage temp.

−20°C

SMILES string

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

InChI key

XMOCLSLCDHWDHP-IUODEOHRSA-N

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General description

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

Application

Reference Standard in the analysis of herbal medicinal products

Biochem/physiol Actions

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

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

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Certificados de análisis (COA)

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

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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
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
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)
Denisa Margina et al.
General physiology and biophysics, 31(1), 47-55 (2012-03-27)
Quercetin and epigallocatechin gallate are two of the most abundant polyphenols in dietary plants, including apples, onions, red wine and green tea. The bioactivity of polyphenols is linked to their ability to interact with cell membranes without being internalized. The
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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.

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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