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E4018

(−)-Epicatechin

≥98% (HPLC), from green tea

Synonyma:

(−)-cis-3,3′,4′,5,7-Pentahydroxyflavane, (2R,3R)-2-(3,4-Dihydroxyphenyl)-3,4-dihydro-1(2H)-benzopyran-3,5,7-triol

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Velikost baleníSkladová položkaDostupnostCena
1 mg
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1 460,00 Kč
5 mg
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5 100,00 Kč

O této položce

Empirický vzorec (Hillův zápis):
C15H14O6
Číslo CAS:
Molekulová hmotnost:
290.27
UNSPSC Code:
12352205
NACRES:
NA.77
PubChem Substance ID:
EC Number:
207-710-1
Beilstein/REAXYS Number:
92760
MDL number:

1 460,00 Kč


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biological source

green tea

Quality Level

assay

≥98% (HPLC)

mp

240 °C (dec.) (lit.)

application(s)

metabolomics
vitamins, nutraceuticals, and natural products

storage temp.

2-8°C

SMILES string

O[C@@H]1Cc2c(O)cc(O)cc2O[C@@H]1c3ccc(O)c(O)c3

InChI

1S/C15H14O6/c16-8-4-11(18)9-6-13(20)15(21-14(9)5-8)7-1-2-10(17)12(19)3-7/h1-5,13,15-20H,6H2/t13-,15-/m1/s1

InChI key

PFTAWBLQPZVEMU-UKRRQHHQSA-N

Gene Information

General description

Epicatechin is a flavanol, that belongs to the class of secondary, polyphenolic plant metabolites.

Application

(-)-Epicatechin has been used:
  • to examine its biological effects in cell lines from human gender-specific cancers
  • to study its antiviral activity
  • to test its ability to regenerate this enzymatic activity both in vitro at the isolated MPO−H2O2−Cl- system and ex vivo in human polymorphonuclear leukocytes (PMNs)

Biochem/physiol Actions

This antioxidant is found in chocolate. (-)-Epicatechin is linked with cardiovascular effects. It is considered as a dependable standard due to its availability in cacao seeds and cocoa products. The halogenating activity of myeloperoxidase can be restored by (-)-epicatechin.

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Tato položka
E17536809774873
biological source

green tea

biological source

-

biological source

-

biological source

-

assay

≥98% (HPLC)

assay

≥90% (HPLC)

assay

≥97.0% (HPLC)

assay

-

Quality Level

200

Quality Level

200

Quality Level

100

Quality Level

300

application(s)

metabolomics
vitamins, nutraceuticals, and natural products

application(s)

metabolomics
vitamins, nutraceuticals, and natural products

application(s)

food and beverages

application(s)

food and beverages

storage temp.

2-8°C

storage temp.

-

storage temp.

2-8°C

storage temp.

2-8°C

Gene Information

human ... BACE1(23621), CYP1A2(1544)

Gene Information

human ... BACE1(23621), CYP1A2(1544)

Gene Information

-

Gene Information

-


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pictograms

Exclamation mark

signalword

Warning

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

target_organs

Respiratory system

Skladovací třída

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves



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Osvědčení o analýze (COA)

Lot/Batch Number

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Sortimentní položky

Antioxidants protect biological systems from oxidative damage produced by oxygen-containing free radicals and from redoxactive transition metal ions such as iron, copper, and cadmium.

DISCOVER Bioactive Small Molecules for Nitric Oxide & Cell Stress Research


Divergent antiviral effects of bioflavonoids on the hepatitis C virus life cycle
Khachatoorian R, et al.
Virology, 346-355 (2012)
(-)-Epicatechin regenerates the chlorinating activity of myeloperoxidase in vitro and in neutrophil granulocytes
Flemmig J, et al.
Journal of Inorganic Biochemistry, 84-91 (2014)
(-)-Epicatechin mediates beneficial effects of flavanol-rich cocoa on vascular function in humans
Schroeter H, et al.
Proceedings of the National Academy of Sciences of the USA, 103(4), 1024-1029 (2006)



Globální číslo obchodní položky

Skladová položkaGTIN
E4018-1MG04061833603512
E4018-5MG04061833603529

Questions

1–2 of 2 Questions  
  1. How can I determine the shelf life / expiration / retest date of this product?

    1 answer
    1. If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
      For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
      For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
      For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/418/501/product-dating-information-06-25-mk.pdf

      Helpful?

  2. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 answer
    1. Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf

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