(-)-表沒食子兒茶素沒食子酸酯

產品編號：Y3182
英文名稱：(-)-Epigallocatechin gallate
CAS號 989-51-5  
分析標準品
分子式 C22H18O11 分子量458.37

基本信息:

旋光率 -175.5 ° (C=1, EtOH)
密度 1.9
熔點 212°C
溶解性 Soluble in ethanol (~20 mg/ml), dimethyl formamide (~20 mg/ml), DMSO (~20 mg/ml), water (>5 mg/ml), DMF, PBS pH 7.2, and Methanol.
存貯條件 儲存溫度 2-8°C
描述 
產品介紹 (-)-Epigallocatechin Gallate (EGCG) is a strong polyphenol catechin antioxidant found in green tea, reported to have broad efficacy against many conditions generated from oxidative damage. Extensive oxidation of low density lipoproteins (LDLs) is correlated to cardiovascular diseases, and EGCG is reported to strongly inhibit Cu(2+)-mediated oxidative modification of LDLs. The antiapoptotic proteins Bcl-2 and Bcl-x(L) are observed to suppress apoptosis and convey survival to heavily damaged and mutated cells in vitro, and EGCG (along with the other catechins) is shown to directly inhibit these proteins, reestablishing the normal apoptotic pathway in the cell. EGCG also inhibits NOS2 (iNOS).
別名 (-)-順式-2-(3,4,5-三羥基苯基)-3,4-二氫-1(2H)-苯并吡喃-3,5,7--三醇;3-沒食子酸酯;(-)-順式-3,3′,4′,5,5′,7-六羥基-黃烷-3-沒食子酸酯;EGCG;;(-)-cis-3,3′,4′,5,5′,7-Hexahydroxy-flavane-3-gallate; (-)-cis-2-(3,4,5-Trihydroxyphenyl)-3,4-dihydro-1(2H)-benzopyran-3,5,7-triol 3-gallate; (2R,3R)-2-(3,4,5-Trihydroxyphenyl)-3,4-dihydro-1(2H)-benzopyran-3,5,7-triol 3-(3,4,5-trihydroxybenzoate); Teavigo; Tea catechin; EGCG
生化機理 
(-)-Epigallocatechin Gallate (EGCG) is a strong polyphenol catechin antioxidant found in green tea, with broad efficacy against many conditions generated from oxidative damage. Extensive oxidation of low density lipoproteins (LDL) is correlated to cardiovascular diseases, and EGCG is reported to strongly inhibit Cu(2+)-mediated oxidative modification of LDLs. The antiapoptotic proteins Bcl-2 and Bcl-x(L) are observed to suppress apoptosis and convey survival to heavily damaged and mutated cells, and EGCG (along with the other catechins) is shown to directly inhibit these proteins, reestablishing the normal apoptotic pathway in the cell. After treating with EGCG, the expressions of HES1 and Notch2 was obviously inhibited, this indicated that EGCG inhibited colorectal cancer by inhibiting HES1 and Notch2. 
應用 An inhibitor of Bcl-2 and NOS2