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03960590

Epigallocatechin

primary reference standard

Synonyma:

(−)-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

Přihlásitk zobrazení cen stanovených pro organizaci a smluvních cen


About This Item

Empirický vzorec (Hillův zápis):
C15H14O7
Číslo CAS:
Molekulová hmotnost:
306.27
MDL number:
UNSPSC Code:
85151701
PubChem Substance ID:
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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Osvědčení o analýze (COA)

Lot/Batch Number

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Hongyu Wang et al.
Journal of agricultural and food chemistry, 60(12), 3098-3104 (2012-03-08)
Proanthocyanidins in unripe Manilkara zapota (chiku) were isolated using solvent extraction followed by Sephadex LH-20 fractionation with a yield of 0.9%. HPLC analysis using a diol column revealed well-resolved oligomers ranging from dimer to hexamer. The majority of the proanthocyanidins
Ranjith Arimboor et al.
Journal of food science, 77(10), C1036-C1041 (2012-09-04)
Inhibitory potential of sea buckthorn (Hippophae rhamnoides L) seed proanthocyanidins against oxidative stress and xanthine oxidase activity was evaluated. Composition of antioxidant proanthocyanidins was profiled by analyzing the cleavage products obtained by the acid catalyzed hydrolysis in the presence of
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
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

Sortimentní položky

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.

Náš tým vědeckých pracovníků má zkušenosti ve všech oblastech výzkumu, včetně přírodních věd, materiálových věd, chemické syntézy, chromatografie, analytiky a mnoha dalších..

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