中文名 | 异落新妇苷 |
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英文名 | (2R,3S)-2-(3,4-Dihydroxyphenyl)-5,7-dihydroxy-4-oxo-3,4-dihydro-2 H-chromen-3-yl 6-deoxy-α-L-mannopyranoside |
英文别名 |
4H-1-Benzopyran-4-one, 3-[(6-deoxy-α-L-mannopyranosyl)oxy]-2-(3,4-dihydroxyphenyl)-2,3-dihydro-5,7-dihydroxy-, (2R,3R)-
Astilbin Dihydroquercetin 3-rhamnoside Taxifolin 3-rhamnoside 4H-1-Benzopyran-4-one, 3-((6-deoxy-α-L-mannopyranosyl)oxy)-2-(3,4-dihydroxyphenyl)-2,3-dihydro-5,7-dihydroxy-, (2R,3R)- Taxifolin 3-rhamnoside Neoisoastilbin Astilbin (2R-trans)-3-((6-Deoxy-α-L-mannopyranosyl)oxy)-2-(3,4-dihydroxyphenyl)-2,3-dihydro-5,7-dihydroxy-4H-1-benzopyran-4-one 4H-1-Benzopyran-4-one, 3-((6-deoxy-α-L-mannopyranosyl)oxy)-2-(3,4-dihydroxyphenyl)-2,3-dihydro-5,7-dihydroxy-, (2R-trans)- Taxifolin 3-O-rhamnoside Astilbin from Engelhardtia roxburghiana (2R,3R)-2-(3,4-dihydroxyphenyl)-5,7-dihydroxy-3-[(2S,3R,4R,5R,6S)-3,4,5-trihydroxy-6-methyloxan-2-yl]oxy-2,3-dihydrochromen-4-one (2R,3R)-2-(3,4-Dihydroxyphenyl)-5,7-dihydroxy-4-oxo-3,4-dihydro-2H-chromen-3-yl 6-deoxy-α-L-mannopyranoside Isoastilbin |
描述 | Isoastilbin,Rhizoma Smilacis glabrae 和 Astragalus membranaceus 中的一种二氢黄酮醇糖苷化合物。Isoastilbin 抑制葡萄糖基转移酶 (GTase) 的 IC50 值为 54.3 μg/mL,还抑制酪氨酸酶 (tyrosinase) 活性。Isoastilbin 具有神经保护,抗氧化,抗微生物和抗凋亡的特性,并可用于阿尔茨海默氏病的研究。 |
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相关类别 | |
靶点 |
IC50: 54.3 μg/mL (Glucosyltransferase (GTase)[2] |
参考文献 |
密度 | 1.7±0.1 g/cm3 |
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沸点 | 801.1±65.0 °C at 760 mmHg |
分子式 | C21H22O11 |
分子量 | 450.393 |
闪点 | 282.9±27.8 °C |
精确质量 | 450.116211 |
PSA | 186.37000 |
LogP | 2.97 |
外观性状 | 粉末 |
蒸汽压 | 0.0±3.0 mmHg at 25°C |
折射率 | 1.748 |
储存条件 | 2-8℃,干燥,密闭,避光 |
危害码 (欧洲) | Xi |
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