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130405-40-2

中文名称 儿茶素没食子酸酯
英文名称 (-)-CATECHIN GALLATE
CAS 130405-40-2
分子式 C22H18O10
分子量 442.37
MOL 文件 130405-40-2.mol
更新日期 2024/03/22 15:21:45
130405-40-2 结构式 130405-40-2 结构式

基本信息

中文别名
儿茶素酸酯
儿茶素没食子酸
儿茶素没食子酸酯
儿茶素没食子酯酸
儿茶素没食子酸酯CG
儿茶素没食子酸酯对照品
(-)-没食子酸儿茶素酯
(-)-儿茶素没食子酸酯
儿茶素没食子酸脂对照品,
(-)-儿茶素没食子酸酯, 来源于绿茶
英文别名
(-)-CG
ECSMSZS
BCatechin gallate
()-Catechin gallat
(-)-CATECHIN GALLATE
(?)-Catechin Gallate
CATECHIN GALLATE, (-)-
(-)-Catechin 3-gallate
(-)-Catechin gallate(CG)
(-)-Catechin 3-O-gallate)
所属类别
生物化工:植物提取物

物理化学性质

外观性状白色粉末,可溶于甲醇、乙醇、DMSO等有机溶剂,来源于绿茶。
熔点248-251 °C (decomp)
沸点861.7±65.0 °C(Predicted)
密度1.80±0.1 g/cm3(Predicted)
储存条件2-8°C
溶解度DMSO(微溶)、乙醇(微溶)
酸度系数(pKa)7.75±0.25(Predicted)
形态固体
颜色淡黄色至浅红色
InChIKeyLSHVYAFMTMFKBA-CTNGQTDRSA-N
LogP2.670 (est)

安全数据

危险性符号(GHS)
GHS07
警示词警告
危险性描述H315-H319-H335
危险品标志Xi
危险类别码36/37/38
安全说明26-36
WGK Germany3
海关编码29329990

应用领域

用途1
儿茶素没食子酸酯具有抗炎,镇痛,镇静的作用。

常见问题列表

生物活性
(-)-Catechin gallate 是绿茶儿茶素中的一种微量组分。(-)-Catechin gallate 抑制 COX-1 和 COX-2 活性。
靶点

COX-1

COX-2

体外研究

(-)-Catechin gallate (CG) directly interacts with DNA oligomers and inhibits the activity of COX-1 and COX-2 enzymes, the gene expression of matrix metalloproteinase-9 in macrophage-differentiated HL-60 myeloid leukemia cells, the adipocyte uptake of glucose by the transporter, GLUT4, and the activities of various proteasomes, i.e., the multicatalytic proteases responsible for the degradation of most cellular proteins. The relative cytotoxicities of a 3-day exposure to (-)-Catechin gallate are determined for cancerous CAL27 and HSG cells, immortalized epithelioid S-G cells, and normal HGF-1 gingival fibroblasts. The concentration at which toxicity (P≤0.01) initially occur is 25 μM (-)-Catechin gallate for S-G cells, 50 μM (-)-Catechin gallate for CAL27 cells, 62.5 μM (-)-Catechin gallate for HSG cells and 75 μM (-)-Catechin gallate for HGF-1 fibroblasts. The calculated neutral red (NR 50 ) values for a 3-day exposure to (-)-Catechin gallate are 58 μM for S-G cells, 62 μM for CAL27 cells, 90 μM for HSG cells and 132 μM for HGF-1 fibroblasts.

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