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
E3768
(−)-Epigallocatechin
≥95% (HPLC), from green tea
Sinónimos:
(−)-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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$148.00
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Nombre del producto
(−)-Epigallocatechin, ≥95% (HPLC), from green tea
InChI key
XMOCLSLCDHWDHP-IUODEOHRSA-N
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
biological source
green tea
assay
≥95% (HPLC)
application(s)
metabolomics
vitamins, nutraceuticals, and natural products
storage temp.
2-8°C
Quality Level
Gene Information
human ... CYP1A2(1544)
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Categorías relacionadas
1 of 4
Este artículo | E4268 | E3893 | E4143 |
|---|---|---|---|
| biological source green tea | biological source green tea | biological source green tea | biological source - |
| assay ≥95% (HPLC) | assay ≥80% (HPLC) | assay ≥98% (HPLC) | assay ≥95% |
| Quality Level 200 | Quality Level 200 | Quality Level 100 | Quality Level 200 |
| application(s) metabolomics | application(s) metabolomics | application(s) metabolomics | application(s) metabolomics |
| storage temp. 2-8°C | storage temp. 2-8°C | storage temp. 2-8°C | storage temp. 2-8°C |
| Gene Information human ... CYP1A2(1544) | Gene Information human ... CYP1A2(1544) | Gene Information human ... CYP1A2(1544) | Gene Information human ... CYP1A2(1544) |
Application
- as a reference standard in high-performance liquid chromatography (HPLC) analysis[1]
- to analyze its inhibitory effect on α-amylase and α-glucosidase activity to control postprandial hyperglycemia in Diabetes mellitus[2]
- in cell viability assays to check its efficacy and protection against ferroptosis and iron toxicity in murine pancreatic β-cells[3]
- to evaluate its potential anti-inflammatory effects on long-term acute and chronic Pristen-induced arthritis[4]
- to treat pregnant and nursing mice, on in vitro angiogenesis, proliferation, and movement of endothelial cells[5]
- to evaluate its effect on pregnant and nursing mice spleen based on the number and localization of CD4+ (cluster of differentiation 4) and CD8+ cluster of differentiation 8) cells[6]
Biochem/physiol Actions
Clase de almacenamiento
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type N95 (US)
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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.
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How is shipping temperature determined? And how is it related to the product storage temperature?
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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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