标签归档：epigallocatechin

(+/-)-Epigallocatechin Gallate-13C3(Synonyms: (-)-表没食子儿茶素没食子酸酯 13C3)

发表于由

上海金畔生物科技有限公司为生命科学和医药研发人员提供生物活性分子抑制剂、激动剂、特异性抑制剂、化合物库、重组蛋白，专注于信号通路和疾病研究领域。

(+/-)-Epigallocatechin Gallate-13C3 (Synonyms: (-)-表没食子儿茶素没食子酸酯 13C3)

(+/-)-Epigallocatechin Gallate-13C3 是一种 13C 标记的 (-)-Epigallocatechin Gallate。(-)-Epigallocatechin Gallate是一种茶类黄酮，具有强大的抗氧化，抗炎和抗癌作用。报道显示(-)-Epigallocatechin Gallate可抑制 EGFR 信号传导，从而发挥抗癌作用。(-)-Epigallocatechin Gallate (EGCG) 是谷氨酸脱氢酶 1/2 (GDH1/2，GLUD1/2) 抑制剂。(-)-Epigallocatechin Gallate 通过激活细胞色素c氧化酶来诱导氧化磷酸化 (OXPHOS)。

(+/-)-Epigallocatechin Gallate-13C3(Synonyms: (-)-表没食子儿茶素没食子酸酯 13C3)

(+/-)-Epigallocatechin Gallate-13C3 Chemical Structure

规格 是否有货
100 mg   询价  
250 mg   询价  
500 mg   询价  

* Please select Quantity before adding items.

生物活性

(+/-)-Epigallocatechin Gallate-13C3 is the 13C-labeled (-)-Epigallocatechin Gallate. (-)-Epigallocatechin Gallate is a tea flavonoid with potent antioxidant, antiinflammatory, and anticarcinogenic properties. (-)-Epigallocatechin Gallate is reported to inhibit EGFR signaling and thereby exert anticancer effects[1]. (-)-Epigallocatechin Gallate (EGCG) is a glutamate dehydrogenase 1/2 (GDH1/2, GLUD1/2) inhibitor. Epigallocatechin-3-gallate induces oxidative phosphorylation (OXPHOS) by activating cytochrome c oxidase.

体外研究
(In Vitro)

Stable heavy isotopes of hydrogen, carbon, and other elements have been incorporated into drug molecules, largely as tracers for quantitation during the drug development process. Deuteration has gained attention because of its potential to affect the pharmacokinetic and metabolic profiles of drugs[1].

Shanghai Jinpan Biotech Co Ltd has not independently confirmed the accuracy of these methods. They are for reference only.
分子量

457.32

Formula

C1913C3H14O11
中文名称

(-)-表没食子儿茶素没食子酸酯 13C3
运输条件

Room temperature in continental US; may vary elsewhere.
储存方式

Please store the product under the recommended conditions in the Certificate of Analysis.
参考文献

  • [1]. Russak EM, et al. Impact of Deuterium Substitution on the Pharmacokinetics of Pharmaceuticals. Ann Pharmacother. 2019;53(2):211-216.

    [2]. De Amicis F, et al. Epigallocatechin gallate inhibits growth and Epithelial-to-Mesenchymal Transition in human thyroid carcinoma cell lines. J Cell Physiol. 2013 Apr 1.

    [3]. Peeters TH, et al. Isocitrate dehydrogenase 1-mutated cancers are sensitive to the green tea polyphenol epigallocatechin-3-gallate. Cancer Metab. 2019 May 20;7:4.

    [4]. Jin H, et al. Epigallocatechin gallate inhibits the proliferation of colorectal cancer cells by regulating Notch signaling. Onco Targets Ther. 2013;6:145-53.

    [5]. Wing Pui Tsang, et al. Epigallocatechin gallate up-regulation of miR-16 and induction of apoptosis in human cancer cells. The Journal of Nutritional Biochemistry. 2010, 21(2): 140-146.

    [6]. Castellano-González G, et al. Epigallocatechin-3-gallate induces oxidative phosphorylation by activating cytochrome c oxidase in human cultured neurons and astrocytes. Oncotarget. 2016 Feb 16;7(7):7426-40.

所有产品仅用作科学研究或药证申报，我们不为任何个人用途提供产品和服务

(+/-)-Epigallocatechin Gallate-13C3(Synonyms: (-)-表没食子儿茶素没食子酸酯 13C3)

发表于由

上海金畔生物科技有限公司为生命科学和医药研发人员提供生物活性分子抑制剂、激动剂、特异性抑制剂、化合物库、重组蛋白，专注于信号通路和疾病研究领域。

(+/-)-Epigallocatechin Gallate-13C3 (Synonyms: (-)-表没食子儿茶素没食子酸酯 13C3)

(+/-)-Epigallocatechin Gallate-13C3 是一种 13C 标记的 (-)-Epigallocatechin Gallate。(-)-Epigallocatechin Gallate是一种茶类黄酮，具有强大的抗氧化，抗炎和抗癌作用。报道显示(-)-Epigallocatechin Gallate可抑制 EGFR 信号传导，从而发挥抗癌作用。(-)-Epigallocatechin Gallate (EGCG) 是谷氨酸脱氢酶 1/2 (GDH1/2，GLUD1/2) 抑制剂。(-)-Epigallocatechin Gallate 通过激活细胞色素c氧化酶来诱导氧化磷酸化 (OXPHOS)。

(+/-)-Epigallocatechin Gallate-13C3(Synonyms: (-)-表没食子儿茶素没食子酸酯 13C3)

(+/-)-Epigallocatechin Gallate-13C3 Chemical Structure

规格 是否有货
100 mg   询价  
250 mg   询价  
500 mg   询价  

* Please select Quantity before adding items.

生物活性

(+/-)-Epigallocatechin Gallate-13C3 is the 13C-labeled (-)-Epigallocatechin Gallate. (-)-Epigallocatechin Gallate is a tea flavonoid with potent antioxidant, antiinflammatory, and anticarcinogenic properties. (-)-Epigallocatechin Gallate is reported to inhibit EGFR signaling and thereby exert anticancer effects[1]. (-)-Epigallocatechin Gallate (EGCG) is a glutamate dehydrogenase 1/2 (GDH1/2, GLUD1/2) inhibitor. Epigallocatechin-3-gallate induces oxidative phosphorylation (OXPHOS) by activating cytochrome c oxidase.

体外研究
(In Vitro)

Stable heavy isotopes of hydrogen, carbon, and other elements have been incorporated into drug molecules, largely as tracers for quantitation during the drug development process. Deuteration has gained attention because of its potential to affect the pharmacokinetic and metabolic profiles of drugs[1].

Shanghai Jinpan Biotech Co Ltd has not independently confirmed the accuracy of these methods. They are for reference only.
分子量

457.32

Formula

C1913C3H14O11
中文名称

(-)-表没食子儿茶素没食子酸酯 13C3
运输条件

Room temperature in continental US; may vary elsewhere.
储存方式

Please store the product under the recommended conditions in the Certificate of Analysis.
参考文献

  • [1]. Russak EM, et al. Impact of Deuterium Substitution on the Pharmacokinetics of Pharmaceuticals. Ann Pharmacother. 2019;53(2):211-216.

    [2]. De Amicis F, et al. Epigallocatechin gallate inhibits growth and Epithelial-to-Mesenchymal Transition in human thyroid carcinoma cell lines. J Cell Physiol. 2013 Apr 1.

    [3]. Peeters TH, et al. Isocitrate dehydrogenase 1-mutated cancers are sensitive to the green tea polyphenol epigallocatechin-3-gallate. Cancer Metab. 2019 May 20;7:4.

    [4]. Jin H, et al. Epigallocatechin gallate inhibits the proliferation of colorectal cancer cells by regulating Notch signaling. Onco Targets Ther. 2013;6:145-53.

    [5]. Wing Pui Tsang, et al. Epigallocatechin gallate up-regulation of miR-16 and induction of apoptosis in human cancer cells. The Journal of Nutritional Biochemistry. 2010, 21(2): 140-146.

    [6]. Castellano-González G, et al. Epigallocatechin-3-gallate induces oxidative phosphorylation by activating cytochrome c oxidase in human cultured neurons and astrocytes. Oncotarget. 2016 Feb 16;7(7):7426-40.

所有产品仅用作科学研究或药证申报，我们不为任何个人用途提供产品和服务

(+/-)-Epigallocatechin Gallate-13C3(Synonyms: (-)-表没食子儿茶素没食子酸酯 13C3)

发表于由

上海金畔生物科技有限公司为生命科学和医药研发人员提供生物活性分子抑制剂、激动剂、特异性抑制剂、化合物库、重组蛋白，专注于信号通路和疾病研究领域。

(+/-)-Epigallocatechin Gallate-13C3 (Synonyms: (-)-表没食子儿茶素没食子酸酯 13C3)

(+/-)-Epigallocatechin Gallate-13C3 是一种 13C 标记的 (-)-Epigallocatechin Gallate。(-)-Epigallocatechin Gallate是一种茶类黄酮，具有强大的抗氧化，抗炎和抗癌作用。报道显示(-)-Epigallocatechin Gallate可抑制 EGFR 信号传导，从而发挥抗癌作用。(-)-Epigallocatechin Gallate (EGCG) 是谷氨酸脱氢酶 1/2 (GDH1/2，GLUD1/2) 抑制剂。(-)-Epigallocatechin Gallate 通过激活细胞色素c氧化酶来诱导氧化磷酸化 (OXPHOS)。

(+/-)-Epigallocatechin Gallate-13C3(Synonyms: (-)-表没食子儿茶素没食子酸酯 13C3)

(+/-)-Epigallocatechin Gallate-13C3 Chemical Structure

规格 是否有货
100 mg   询价  
250 mg   询价  
500 mg   询价  

* Please select Quantity before adding items.

生物活性

(+/-)-Epigallocatechin Gallate-13C3 is the 13C-labeled (-)-Epigallocatechin Gallate. (-)-Epigallocatechin Gallate is a tea flavonoid with potent antioxidant, antiinflammatory, and anticarcinogenic properties. (-)-Epigallocatechin Gallate is reported to inhibit EGFR signaling and thereby exert anticancer effects[1]. (-)-Epigallocatechin Gallate (EGCG) is a glutamate dehydrogenase 1/2 (GDH1/2, GLUD1/2) inhibitor. Epigallocatechin-3-gallate induces oxidative phosphorylation (OXPHOS) by activating cytochrome c oxidase.

体外研究
(In Vitro)

Stable heavy isotopes of hydrogen, carbon, and other elements have been incorporated into drug molecules, largely as tracers for quantitation during the drug development process. Deuteration has gained attention because of its potential to affect the pharmacokinetic and metabolic profiles of drugs[1].

上海金畔生物科技有限公司 has not independently confirmed the accuracy of these methods. They are for reference only.
分子量

457.32

Formula

C1913C3H14O11
中文名称

(-)-表没食子儿茶素没食子酸酯 13C3
运输条件

Room temperature in continental US; may vary elsewhere.
储存方式

Please store the product under the recommended conditions in the Certificate of Analysis.
参考文献

  • [1]. Russak EM, et al. Impact of Deuterium Substitution on the Pharmacokinetics of Pharmaceuticals. Ann Pharmacother. 2019;53(2):211-216.

    [2]. De Amicis F, et al. Epigallocatechin gallate inhibits growth and Epithelial-to-Mesenchymal Transition in human thyroid carcinoma cell lines. J Cell Physiol. 2013 Apr 1.

    [3]. Peeters TH, et al. Isocitrate dehydrogenase 1-mutated cancers are sensitive to the green tea polyphenol epigallocatechin-3-gallate. Cancer Metab. 2019 May 20;7:4.

    [4]. Jin H, et al. Epigallocatechin gallate inhibits the proliferation of colorectal cancer cells by regulating Notch signaling. Onco Targets Ther. 2013;6:145-53.

    [5]. Wing Pui Tsang, et al. Epigallocatechin gallate up-regulation of miR-16 and induction of apoptosis in human cancer cells. The Journal of Nutritional Biochemistry. 2010, 21(2): 140-146.

    [6]. Castellano-González G, et al. Epigallocatechin-3-gallate induces oxidative phosphorylation by activating cytochrome c oxidase in human cultured neurons and astrocytes. Oncotarget. 2016 Feb 16;7(7):7426-40.

所有产品仅用作科学研究或药证申报，我们不为任何个人用途提供产品和服务

(-)-Epigallocatechin Gallate(Synonyms: EGCG; Epigallocatechol Gallate)

发表于由

(-)-Epigallocatechin Gallate (Synonyms: EGCG; Epigallocatechol Gallate) 纯度: 99.87%

(-)-Epigallocatechin Gallate是一种茶类黄酮，具有强大的抗氧化，抗炎和抗癌作用。报道显示(-)-Epigallocatechin Gallate可抑制 EGFR 信号传导，从而发挥抗癌作用。(-)-Epigallocatechin Gallate (EGCG) 是谷氨酸脱氢酶 1/2 (GDH1/2，GLUD1/2) 抑制剂。(-)-Epigallocatechin Gallate 通过激活细胞色素c氧化酶来诱导氧化磷酸化 (OXPHOS)。

(-)-Epigallocatechin Gallate(Synonyms: EGCG; Epigallocatechol Gallate)

(-)-Epigallocatechin Gallate Chemical Structure

CAS No. : 989-51-5

规格 价格 是否有货 数量
Free Sample (0.1-0.5 mg)   Apply now  
10 mM * 1 mL in DMSO ￥500 In-stock
50 mg ￥369 In-stock
100 mg ￥550 In-stock
500 mg ￥2100 In-stock
1 g   询价  
5 g   询价  

* Please select Quantity before adding items.

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生物活性

(-)-Epigallocatechin Gallate is a tea flavonoid with potent antioxidant, antiinflammatory, and anticarcinogenic properties. (-)-Epigallocatechin Gallate is reported to inhibit EGFR signaling and thereby exert anticancer effects[1]. (-)-Epigallocatechin Gallate (EGCG) is a glutamate dehydrogenase 1/2 (GDH1/2, GLUD1/2) inhibitor. Epigallocatechin-3-gallate induces oxidative phosphorylation (OXPHOS) by activating cytochrome c oxidase.

IC50 & Target[1]

EGFR

 

HER2

 

HER3

 

Human Endogenous Metabolite

 

体外研究
(In Vitro)

(-)-Epigallocatechin Gallate (EGCG) inhibits activation EGFR, HER2 and HER3 in the SW837 human colon cancer cell line. (-)-Epigallocatechin Gallate (10 μM) also inhibits cell growth, suppresses activation of EGFR, HER2, and HER3, and causes decrease in the levels of COX-2 and Bcl-xL proteins, and apoptosis after treatment for 96 h[1]. (-)-Epigallocatechin Gallate (0-35 μg/mL) inhibits the proliferation of colorectal cancer cells. (-)-Epigallocatechin Gallate (35 μg/mL) induces apoptosis of colorectal cancer cells[3]. (-)-Epigallocatechin Gallate (EGCG; 50, 75 and 100 μM) dose-dependently inhibits the growth of HepG2 cells, and induces apoptosis in HepG2 cells[4].

MCE has not independently confirmed the accuracy of these methods. They are for reference only.
体内研究
(In Vivo)

(-)-Epigallocatechin Gallate (5, 10, and 20 mg/kg, p.o.) inhibits the growth of orthotopic colorectal cancer cells in mice[3].

MCE has not independently confirmed the accuracy of these methods. They are for reference only.
Clinical Trial

分子量

458.37

Formula

C22H18O11
CAS 号

989-51-5
中文名称

(-)-表没食子儿茶素没食子酸酯
运输条件

Room temperature in continental US; may vary elsewhere.
储存方式
Powder -20°C 3 years
4°C 2 years
In solvent -80°C 6 months
-20°C 1 month
溶解性数据
In Vitro: 

DMSO : ≥ 30 mg/mL (65.45 mM)

H2O : 20 mg/mL (43.63 mM; Need ultrasonic)

* “≥” means soluble, but saturation unknown.

配制储备液
浓度 溶剂体积 质量 1 mg 5 mg 10 mg
1 mM 2.1816 mL 10.9082 mL 21.8164 mL
5 mM 0.4363 mL 2.1816 mL 4.3633 mL
10 mM 0.2182 mL 1.0908 mL 2.1816 mL

*

请根据产品在不同溶剂中的溶解度选择合适的溶剂配制储备液；一旦配成溶液，请分装保存，避免反复冻融造成的产品失效。
储备液的保存方式和期限：-80°C, 6 months; -20°C, 1 month。-80°C 储存时，请在 6 个月内使用，-20°C 储存时，请在 1 个月内使用。

In Vivo:

请根据您的实验动物和给药方式选择适当的溶解方案。以下溶解方案都请先按照 In Vitro 方式配制澄清的储备液，再依次添加助溶剂：

——为保证实验结果的可靠性，澄清的储备液可以根据储存条件，适当保存；体内实验的工作液，建议您现用现配，当天使用； 以下溶剂前显示的百
分比是指该溶剂在您配制终溶液中的体积占比；如在配制过程中出现沉淀、析出现象，可以通过加热和/或超声的方式助溶

  • 1.

    请依序添加每种溶剂： 10% DMSO    40% PEG300    5% Tween-80    45% saline

    Solubility: ≥ 2.08 mg/mL (4.54 mM); Clear solution

    此方案可获得 ≥ 2.08 mg/mL (4.54 mM，饱和度未知) 的澄清溶液。

    以 1 mL 工作液为例，取 100 μL 20.8 mg/mL 的澄清 DMSO 储备液加到 400 μL PEG300 中，混合均匀；向上述体系中加入50 μL Tween-80，混合均匀；然后继续加入 450 μL生理盐水定容至 1 mL。

    将 0.9 g 氯化钠，完全溶解于 100 mL ddH₂O 中，得到澄清透明的生理盐水溶液

  • 2.

    请依序添加每种溶剂： 10% DMSO    90% (20% SBE-β-CD in saline)

    Solubility: ≥ 2.08 mg/mL (4.54 mM); Clear solution

    此方案可获得 ≥ 2.08 mg/mL (4.54 mM，饱和度未知) 的澄清溶液。

    以 1 mL 工作液为例，取 100 μL 20.8 mg/mL 的澄清 DMSO 储备液加到 900 μL 20% 的 SBE-β-CD 生理盐水水溶液中，混合均匀。

    将 2 g 磺丁基醚 β-环糊精加入 5 mL 生理盐水中，再用生理盐水定容至 10 mL，完全溶解，澄清透明
  • 3.

    请依序添加每种溶剂： 10% DMSO    90% corn oil

    Solubility: ≥ 2.08 mg/mL (4.54 mM); Clear solution

    此方案可获得 ≥ 2.08 mg/mL (4.54 mM，饱和度未知) 的澄清溶液，此方案不适用于实验周期在半个月以上的实验。

    以 1 mL 工作液为例，取 100 μL 20.8 mg/mL 的澄清 DMSO 储备液加到 900 μL玉米油中，混合均匀。

*以上所有助溶剂都可在 MCE 网站选购。
参考文献

  • [1]. De Amicis F, et al. Epigallocatechin gallate inhibits growth and Epithelial-to-Mesenchymal Transition in human thyroid carcinoma cell lines. J Cell Physiol. 2013 Apr 1.

    [2]. Peeters TH, et al. Isocitrate dehydrogenase 1-mutated cancers are sensitive to the green tea polyphenol epigallocatechin-3-gallate. Cancer Metab. 2019 May 20;7:4.

    [3]. Jin H, et al. Epigallocatechin gallate inhibits the proliferation of colorectal cancer cells by regulating Notch signaling. Onco Targets Ther. 2013;6:145-53.

    [4]. Wing Pui Tsang, et al. Epigallocatechin gallate up-regulation of miR-16 and induction of apoptosis in human cancer cells. The Journal of Nutritional Biochemistry. 2010, 21(2): 140-146.

    [5]. Castellano-González G, et al. Epigallocatechin-3-gallate induces oxidative phosphorylation by activating cytochrome c oxidase in human cultured neurons and astrocytes. Oncotarget. 2016 Feb 16;7(7):7426-40.
Cell Assay
[3]

LoVo, SW480, HCT-8, and HT-29 cells are seeded in 96-well plates at a concentration of 5×103 cells; each cell line is totally seeded in the 12 wells. Complete medium is added to the wells, up to 200 μL; the medium contains 0 μg/mL, 10 μg/mL, 20 μg/mL, and 35 μg/mL of (-)-Epigallocatechin Gallate. The inhibition rate=[1 – (absorbance of (-)-Epigallocatechin Gallate group – absorbance of control group)/(absorbance of control group – absorbance of blank control group)] × 100[3].

MCE has not independently confirmed the accuracy of these methods. They are for reference only.
Animal Administration
[3]

Mice[3]
At 2 weeks postsurgery, 39 out of the 40 nude mice presented with tumors. Based on the volume of the tumors, the 39 mice with tumors are divided into four groups: a control group (n=9); a group that receives 5 mg/kg of (-)-Epigallocatechin Gallate (n=10); a group that receives 10 mg/kg of (-)-Epigallocatechin Gallate (n=10); and a group that receives 20 mg/kg of (-)-Epigallocatechin Gallate (n=10). In the therapeutic groups, (-)-Epigallocatechin Gallate is administrated intragastrically, and in the control group, 100 uL of physiological saline is administrated intragastrically, once daily for 14 days. After the treatment of the mice with (-)-Epigallocatechin Gallate for 4 weeks, the growth and metastasis of the primary tumors are continuously monitored using a fluorescent imaging system. After 4 weeks, the primary tumors are weighed and immediately put into liquid nitrogen (−196°C) and 2 to 3 hours later, these specimens are stored at −80°C. In addition, the other parts of the primary tumor and metastases are fixed in 4% formaldehyde[3].

MCE has not independently confirmed the accuracy of these methods. They are for reference only.
参考文献

  • [1]. De Amicis F, et al. Epigallocatechin gallate inhibits growth and Epithelial-to-Mesenchymal Transition in human thyroid carcinoma cell lines. J Cell Physiol. 2013 Apr 1.

    [2]. Peeters TH, et al. Isocitrate dehydrogenase 1-mutated cancers are sensitive to the green tea polyphenol epigallocatechin-3-gallate. Cancer Metab. 2019 May 20;7:4.

    [3]. Jin H, et al. Epigallocatechin gallate inhibits the proliferation of colorectal cancer cells by regulating Notch signaling. Onco Targets Ther. 2013;6:145-53.

    [4]. Wing Pui Tsang, et al. Epigallocatechin gallate up-regulation of miR-16 and induction of apoptosis in human cancer cells. The Journal of Nutritional Biochemistry. 2010, 21(2): 140-146.

    [5]. Castellano-González G, et al. Epigallocatechin-3-gallate induces oxidative phosphorylation by activating cytochrome c oxidase in human cultured neurons and astrocytes. Oncotarget. 2016 Feb 16;7(7):7426-40.

(-)-Epigallocatechin-3-(3”-O-methyl) gallate(Synonyms: (-)-EGCG-3”-O-ME)

发表于由

上海金畔生物科技有限公司为生命科学和医药研发人员提供生物活性分子抑制剂、激动剂、特异性抑制剂、化合物库、重组蛋白，专注于信号通路和疾病研究领域。

(-)-Epigallocatechin-3-(3”-O-methyl) gallate (Synonyms: (-)-EGCG-3”-O-ME) 纯度: ≥99.0%

(-)-Epigallocatechin-3-(3”-O-methyl) gallate 是从茶叶中分离出的一种天然产物，具有很强的抗氧化和细胞毒性。(-)-Epigallocatechin-3-(3”-O-methyl) gallate 对大鼠癌细胞具有较强的细胞毒性。

(-)-Epigallocatechin-3-(3

(-)-Epigallocatechin-3-(3”-O-methyl) gallate Chemical Structure

CAS No. : 83104-87-4

规格 价格 是否有货 数量
1 mg ￥4760 In-stock
5 mg ￥14290 询价
10 mg   询价  
50 mg   询价  

* Please select Quantity before adding items.

生物活性

(-)-Epigallocatechin-3-(3”-O-methyl) gallate is a natural product isolated from the tea leaf, with strong antioxidative activity. (-)-Epigallocatechin-3-(3”-O-methyl) gallate has a strong cytotoxic activity for rat cancer cells[1].

分子量

472.40

Formula

C23H20O11
CAS 号

83104-87-4
运输条件

Room temperature in continental US; may vary elsewhere.
储存方式

4°C, protect from light

*In solvent : -80°C, 6 months; -20°C, 1 month (protect from light)
参考文献

  • [1]. Kawase M, et al. Antioxidative activity of (-)-epigallocatechin-3-(3”-O-methyl)gallate isolated from fresh tea leaf and preliminary results on its biological activity. Biosci Biotechnol Biochem. 2000 Oct;64(10):2218-20.

所有产品仅用作科学研究或药证申报，我们不为任何个人用途提供产品和服务

(-)-Epigallocatechin(Synonyms: (-)-表没食子儿茶素; Epigallocatechin; L-Epigallocatechin)

发表于由

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(-)-Epigallocatechin (Synonyms: (-)-表没食子儿茶素; Epigallocatechin; L-Epigallocatechin) 纯度: 98.01%

(-)-Epigallocatechin (Epigallocatechin) 是绿茶中最丰富的类黄酮，能结合未折叠多肽和防止转化为淀粉样纤维。

(-)-Epigallocatechin(Synonyms: (-)-表没食子儿茶素; Epigallocatechin; L-Epigallocatechin)

(-)-Epigallocatechin Chemical Structure

CAS No. : 970-74-1

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Free Sample (0.1-0.5 mg)   Apply now  
10 mM * 1 mL in DMSO ￥880 In-stock
5 mg ￥800 In-stock
10 mg ￥1200 In-stock
50 mg   询价  
100 mg   询价  

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生物活性

(-)-Epigallocatechin (Epigallocatechin) is the most abundant flavonoid in green tea, can bind to unfolded native polypeptides and prevent conversion to amyloid fibrils.

体外研究
(In Vitro)

(-)-Epigallocatechin (EGC) is a potent inhibitor of amyloidogenic cystatin I66Q amyloid fibril formation in vitro. Computational analysis suggests that (-)-Epigallocatechin prevents amyloidogenic cystatin fibril formation by stabilizing the molecule in its native-like state as opposed to redirecting aggregation to disordered, amorphous aggregates [1]. Combined curcumin and EGCG treatment reduced the cancer stem-like Cluster of differentiation 44 (CD44)-positive cell population. Western blot and immunoprecipitation analyses revealed that curcumin and (-)-Epigallocatechin (EGC) specifically inhibited STAT3 phosphorylation and STAT3-NFkB interaction was retained [2]. (-)-Epigallocatechin (EGC) exhibits a MIC and MBC of 5 μg/mL and 20 μg/mL respectively and effectively eradicated E. faecalis biofilms. (-)-Epigallocatechin induces the formation of hydroxyl radicals in E. faecalis. The addition of DIP protected E. faecalis against EGCG-mediated antibacterial effects. At sub-MIC, (-)-Epigallocatechin induces significant down-regulation of E. faecalis virulence genes [3].

上海金畔生物科技有限公司 has not independently confirmed the accuracy of these methods. They are for reference only.
Clinical Trial

分子量

306.27

Formula

C15H14O7
CAS 号

970-74-1
中文名称

(-)-表没食子儿茶素
运输条件

Room temperature in continental US; may vary elsewhere.
储存方式
Powder -20°C 3 years
4°C 2 years
In solvent -80°C 6 months
-20°C 1 month
溶解性数据
In Vitro: 

DMSO : ≥ 150 mg/mL (489.76 mM)

* “≥” means soluble, but saturation unknown.

配制储备液
浓度 溶剂体积 质量 1 mg 5 mg 10 mg
1 mM 3.2651 mL 16.3255 mL 32.6509 mL
5 mM 0.6530 mL 3.2651 mL 6.5302 mL
10 mM 0.3265 mL 1.6325 mL 3.2651 mL

*

请根据产品在不同溶剂中的溶解度选择合适的溶剂配制储备液；一旦配成溶液，请分装保存，避免反复冻融造成的产品失效。
储备液的保存方式和期限：-80°C, 6 months; -20°C, 1 month。-80°C 储存时，请在 6 个月内使用，-20°C 储存时，请在 1 个月内使用。

In Vivo:

请根据您的实验动物和给药方式选择适当的溶解方案。以下溶解方案都请先按照 In Vitro 方式配制澄清的储备液，再依次添加助溶剂：

——为保证实验结果的可靠性，澄清的储备液可以根据储存条件，适当保存；体内实验的工作液，建议您现用现配，当天使用； 以下溶剂前显示的百
分比是指该溶剂在您配制终溶液中的体积占比；如在配制过程中出现沉淀、析出现象，可以通过加热和/或超声的方式助溶

  • 1.

    请依序添加每种溶剂： 10% DMSO    40% PEG300    5% Tween-80    45% saline

    Solubility: ≥ 2.5 mg/mL (8.16 mM); Clear solution

    此方案可获得 ≥ 2.5 mg/mL (8.16 mM，饱和度未知) 的澄清溶液。

    以 1 mL 工作液为例，取 100 μL 25.0 mg/mL 的澄清 DMSO 储备液加到 400 μL PEG300 中，混合均匀；向上述体系中加入50 μL Tween-80，混合均匀；然后继续加入 450 μL生理盐水定容至 1 mL。

    将 0.9 g 氯化钠，完全溶解于 100 mL ddH₂O 中，得到澄清透明的生理盐水溶液

  • 2.

    请依序添加每种溶剂： 10% DMSO    90% (20% SBE-β-CD in saline)

    Solubility: ≥ 2.5 mg/mL (8.16 mM); Clear solution

    此方案可获得 ≥ 2.5 mg/mL (8.16 mM，饱和度未知) 的澄清溶液。

    以 1 mL 工作液为例，取 100 μL 25.0 mg/mL 的澄清 DMSO 储备液加到 900 μL 20% 的 SBE-β-CD 生理盐水水溶液中，混合均匀。

    将 2 g 磺丁基醚 β-环糊精加入 5 mL 生理盐水中，再用生理盐水定容至 10 mL，完全溶解，澄清透明
  • 3.

    请依序添加每种溶剂： 10% DMSO    90% corn oil

    Solubility: ≥ 2.5 mg/mL (8.16 mM); Clear solution

    此方案可获得 ≥ 2.5 mg/mL (8.16 mM，饱和度未知) 的澄清溶液，此方案不适用于实验周期在半个月以上的实验。

    以 1 mL 工作液为例，取 100 μL 25.0 mg/mL 的澄清 DMSO 储备液加到 900 μL玉米油中，混合均匀。

*以上所有助溶剂都可在 上海金畔生物科技有限公司 网站选购。
参考文献

  • [1]. Wang N, et al. (-)-Epigallocatechin-3-gallate Inhibits Fibrillogenesis of Chicken Cystatin. J Agric Food Chem. 2015 Jan 26

    [2]. Chung SS, et al. Curcumin and Epigallocatechin Gallate Inhibit the Cancer Stem Cell Phenotype via Down-regulation of STAT3-NFκB Signaling. Anticancer Res. 2015 Jan;35(1):39-46.

    [3]. Lee P, et al. Effects of Epigallocatechin gallate against Enterococcus faecalis biofilm and virulence. Arch Oral Biol. 2015 Mar;60(3):393-9.

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