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(-)-epigallocatechingreen tea epicatechin

(-)-epigallocatechin

Catalog No. B4966
Size Price Stock Qty
1mg $25.00 In stock
5mg $80.00 In stock
10mg $125.00 In stock
20mg $240.00 In stock

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Sample solution is provided at 25 µL, 10mM.

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Chemical structure

(-)-epigallocatechin

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Chemical Properties

Cas No. 970-74-1 SDF Download SDF
Chemical Name (2R,3R)-2-(3,4,5-trihydroxyphenyl)chroman-3,5,7-triol
Canonical SMILES O[C@@H]1CC2=C(C=C(O)C=C2O)O[C@@H]1C3=CC(O)=C(O)C(O)=C3
Formula C15H14O7 M.Wt 306.27
Solubility Soluble in DMSO Storage Store at -20°C
General tips N/A
Shipping Condition N/A

Background

(-)-epigallocatechin is a polyphenol in green tea [1].

(-)-epigallocatechin (EGC) plays an important role in cell growth inhibition, apoptosis and bone metabolism.

(-)-epigallocatechin is a polyphenol in green tea. In MCF-7 and MDA-MB-231 breast cancer cell lines, EGC significantly inhibited cell growth and induced apoptosis, which were independent of p53 and required Fas signaling [1]. In H1299 cells, EGC (10-40 µM) reduced cell viability in a dose dependent way. In Hep-3B cells, EGC (40/80 µM) also reduced cell viability. However, EGC (20 µM) slightly increased cell viabilities in SK-Hep-1 and OECM-1 cells but significantly decreased cell viabilities at concentrations up to 40 µM. EGC exhibited cytotoxicity with IC50 values of 26, 33 and 22 µM in H1299, OECM-1 and SAS cells, respectively. In H1299, OECM-1 and SAS cells, EGC (40 µM) induced apoptosis by 30, 28 and 24%, respectively. In H1299 cells, EGC (40 µM) inhibited hTERT promoter activity in a time- and dose- dependent way and also inhibited hTERT mRNA expression, which was important for cell proliferation [2].

In ICR mice, EGC (0.5 and 1.0 g/kg/d) significantly inhibited platelet aggregation by 18.4% and 25.6% respectively and also significantly prolonged blood clotting time (BCT) and bleeding time (BT), which suggested that the blood anticoagulation and antiplatelet activity of EGC [3].

References:
[1].  Vergote D, Cren-Olivé C, Chopin V, et al. (-)-Epigallocatechin (EGC) of green tea induces apoptosis of human breast cancer cells but not of their normal counterparts. Breast Cancer Res Treat, 2002, 76(3): 195-201.
[2].  Lin SC, Li WC, Shih JW, et al. The tea polyphenols EGCG and EGC repress mRNA expression of human telomerase reverse transcriptase (hTERT) in carcinoma cells. Cancer Lett, 2006, 236(1): 80-88.
[3].  Chen XQ, Wang XB, Guan RF, et al. Blood anticoagulation and antiplatelet activity of green tea (-)-epigallocatechin (EGC) in mice. Food Funct, 2013, 4(10): 1521-1525.