表儿茶素
表儿茶素(2-(3,4-dihydroxyphenyl)-2,3,4-trihydro-3,5,7-trihydroxychromene)
CAS: 490-46-0
化学式: C15H14O6
| 中文名 | 表儿茶素 |
| 英文名 | 2-(3,4-dihydroxyphenyl)-2,3,4-trihydro-3,5,7-trihydroxychromene |
| 别名 | 表儿茶素 表儿茶精 表儿茶酚 (+)-表儿茶素 表儿茶素(EC) 2-(3,4-羟基苯基)-3,4-二氢-2H-1-苯并吡喃-3,5,7-三醇 |
| 英文别名 | EC L-Epicatechin (-)-epicatecho (-)-EPICATECHIN (-)-epicatechol (+)-EPICATECHIN 3,3',4',5,7-PENTAHYROXYFLAVONE 3,3',4',5,7-PENTAHYDROXYFLAVAN 3,3',4',5,7-PENTAHYDROXY-FLAVANE 2-(3,4-dihydroxyphenyl)-2,3,4-trihydro-3,5,7-trihydroxychromene (2R,3R)-2-(3,4-DIHYDROXYPHENYL)-3,4-DIHYDRO-1(2H)-BENZOPYRAN-3,5,7-TRIOL |
| CAS | 490-46-0 |
| EINECS | 207-710-1 |
| 化学式 | C15H14O6 |
| 分子量 | 290.27 |
| InChI | InChI=1/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 |
| InChIKey | PFTAWBLQPZVEMU-UKRRQHHQSA-N |
| 密度 | 1.593±0.06 g/cm3(Predicted) |
| 熔点 | 240℃ |
| 沸点 | 629.2 °C |
| 比旋光度 | -55～-65゜(D/20°C)(c=1,CH3OH) |
| 水溶性 | Soluble in water or alcohol |
| 溶解度 | 可溶于热甲醇、DMSO等溶剂，不溶于石油醚、氯仿。 |
| 酸度系数 | 9.54±0.10(Predicted) |
| 存储条件 | -20°C |
| 外观 | 整洁 |
| 物化性质 | 化学性质 来源于豆科植物儿茶[Acacia catechu (L.F.) Willd]的去皮枝干 |
| MDL号 | MFCD00075648 |
| 危险品标志 | Xi - 刺激性物品 |
| 风险术语 | R36/37/38 - 刺激眼睛、呼吸系统和皮肤。 |
| 安全术语 | S26 - 不慎与眼睛接触后，请立即用大量清水冲洗并征求医生意见。 S36 - 穿戴适当的防护服。 |
| WGK Germany | 3 |
| RTECS | KB3745000 |
| FLUKA BRAND F CODES | 10-23 |
| 海关编号 | 29329990 |
| 下游产品 | 原花青素B1 |
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表儿茶素 - 性质
表儿茶素是一类具有多酚结构的化合物，常见于茶叶、葡萄皮、葡萄酒等植物中。它具有以下性质：
1. 抗氧化性：表儿茶素是一种强效的自由基清除剂，能够抑制自由基对细胞的氧化损伤，从而有助于预防衰老和一些慢性疾病的发生。
2. 抗炎性：表儿茶素具有抗炎作用，能够减少炎症反应和炎症相关的疾病发生。
3. 抗癌作用：研究发现，表儿茶素可以抑制肿瘤细胞的生长和扩散，对某些类型的癌症具有抗癌作用。
4. 抗血栓作用：表儿茶素能够抑制血小板的聚集和凝集，从而有助于预防血栓的形成。
5. 降低胆固醇：表儿茶素可以降低低密度脂蛋白胆固醇的氧化损伤，减少胆固醇在动脉壁的积累，有助于预防心血管疾病。
另外，表儿茶素还具有保护神经系统、增强免疫功能、降低血糖、减肥等多种益处。
1. 抗氧化性：表儿茶素是一种强效的自由基清除剂，能够抑制自由基对细胞的氧化损伤，从而有助于预防衰老和一些慢性疾病的发生。
2. 抗炎性：表儿茶素具有抗炎作用，能够减少炎症反应和炎症相关的疾病发生。
3. 抗癌作用：研究发现，表儿茶素可以抑制肿瘤细胞的生长和扩散，对某些类型的癌症具有抗癌作用。
4. 抗血栓作用：表儿茶素能够抑制血小板的聚集和凝集，从而有助于预防血栓的形成。
5. 降低胆固醇：表儿茶素可以降低低密度脂蛋白胆固醇的氧化损伤，减少胆固醇在动脉壁的积累，有助于预防心血管疾病。
另外，表儿茶素还具有保护神经系统、增强免疫功能、降低血糖、减肥等多种益处。
最后更新：2024-04-10 22:29:15
表儿茶素 - 用途与合成方法
它属于一类叫做黄酮的化合物，具有重要的生物活性。
表儿茶素是一种强效的抗氧化剂，能够中和自由基，减少细胞内氧化应激，对预防衰老、抗癌和预防心血管疾病等方面具有重要作用。表儿茶素还有助于降低血糖和血脂，对预防糖尿病、肥胖症等代谢性疾病有积极影响。
表儿茶素的合成方法主要有天然提取和化学合成两种。天然提取通常采用从茶叶、可可豆等食物中提取纯化表儿茶素。而化学合成方法则是通过有机合成化学反应在实验室中合成表儿茶素。化学合成方法可以通过简单的有机反应合成表儿茶素的类似结构，或者通过更复杂的合成步骤制备出纯度更高的表儿茶素。
表儿茶素是一种强效的抗氧化剂，能够中和自由基，减少细胞内氧化应激，对预防衰老、抗癌和预防心血管疾病等方面具有重要作用。表儿茶素还有助于降低血糖和血脂，对预防糖尿病、肥胖症等代谢性疾病有积极影响。
表儿茶素的合成方法主要有天然提取和化学合成两种。天然提取通常采用从茶叶、可可豆等食物中提取纯化表儿茶素。而化学合成方法则是通过有机合成化学反应在实验室中合成表儿茶素。化学合成方法可以通过简单的有机反应合成表儿茶素的类似结构，或者通过更复杂的合成步骤制备出纯度更高的表儿茶素。
最后更新：2024-04-09 21:01:54
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提供多种规格
产品名: 表儿茶素 紫外分光标准品 去供应商网站查看 询盘CAS: 490-46-0
产地: 北京
包装: 20mg /瓶
规格: SVE1065-20mg
价格: 电话、微信、QQ、邮件
电话: 010-50973130
手机: 17801761073(微信同号)
电子邮件: 3193328036@qq.com
QQ: 3193328036
微信: 17801761073
产品描述: 索莱宝直销，欢迎来询
现货供应
产品名: 茶叶提取物-表儿茶素 去供应商网站查看 询盘CAS: 490-46-0
产地: 湖南 长沙
包装: 1kg, 10kg, 100kg
规格: 小货：食品级铝箔袋 大货：纸板桶
价格: 电联、邮件
库存: 黄金现货
电话: 073184213302
手机: 13875855783 18374838656
电子邮件: sales@staherb.cn
QQ: 37144588
产品描述: 植物提取物，广泛应用于化妆品，医药，饲料等领域
提供多种规格
产品名: 表儿茶素 紫外分光标准品 去供应商网站查看 询盘CAS: 490-46-0
产地: 北京
包装: 20mg /瓶
规格: SVE1065-20mg
价格: 电话、微信、QQ、邮件
电话: 010-50973130
手机: 17801761073(微信同号)
电子邮件: 3193328036@qq.com
QQ: 3193328036
微信: 17801761073
产品描述: 索莱宝直销，欢迎来询
现货供应
产品名: 茶叶提取物-表儿茶素 去供应商网站查看 询盘CAS: 490-46-0
产地: 湖南 长沙
包装: 1kg, 10kg, 100kg
规格: 小货：食品级铝箔袋 大货：纸板桶
价格: 电联、邮件
库存: 黄金现货
电话: 073184213302
手机: 13875855783 18374838656
电子邮件: sales@staherb.cn
QQ: 37144588
产品描述: 植物提取物，广泛应用于化妆品，医药，饲料等领域
表儿茶素的下游产品
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