Beta-Sitosterol (purity>75%) 是一种具有口服活性的植物甾醇。Beta-Sitosterol (purity>75%) 可干扰多种细胞信号通路,包括细胞周期,细胞凋亡 (apoptosis) 和细胞增殖。Beta-Sitosterol (purity>75%) 有抗炎、抗氧化和抗肿瘤活性。 MCE 的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 ...
The acetate crystallises from MeOH or EtOH as plates with m 127128o and [] D 20 -41o (c 2, CHCl3). The benzoate crystallises from EtOH as needles with m 146-147o and [] D 20 –13.8o (c 2, CHCl3). [Fujimoto & Jacobson J Org Chem 29 3377, 3381 1964, Shoppee J Chem Soc...
下一个:胆固醇乙酸脂Cholesteryl acetate;(3beta)-Cholest-5-en-3-ol acetate;Cholesterol acetate;3beta-Acetoxy-5-chol上一个:L-乳酸L-(+)-Lactic acid;(S)-(+)-2-Hydroxypropanoic acid;Sarcolactic acid 在线咨询联系方式二维码 服务热线 021-60498804 ...
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ISOLATION AND CHARACTERIZATION OF BETA -SITOSTEROL FROM THE ETHYL ACETATE EXTRACT FRACTION OF DRIED LEAVES OF SARCOCEPHALUS LATIFOLIUSOsaro IyekowaOlaji Ebenezer
Further, PI and PII was separated in precoated TLC plates (Merck, Germany) using binary mobile phase of 10% ethyl acetate in petroleum ether and 30% acetone in chloroform respectively. Identification of active constituents by LC-MS-MS The active sub-fractions obtained from TLC were subjected ...
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Purification MethodsCrystallise -sitosterol from EtOH, MeOH, Me2CO, Me2CO/EtOH or Me2CO/MeOH. It has also been purified by zone melting. The acetate crystallises from MeOH or EtOH as plates with m 127128o and [] D 20 -41o (c 2, CHCl3). The benzoate crystallises from EtOH as ne...
beta-sitosterol was successfully separated and purified from both beta-sitosterol standard (about 60% purity) and crude sterols using high-speed countercurrent chromatography (HSCCC) with a heptane-acetonitrile-ethyl acetate (5:5:1, v/v/v) solvent system. The purity of beta-sitosterol product was...
19-hydroxy-β-sitosterolacetate△~4-19-hydroxyandrost-317-dioneThe increasing medicinal importance of 19-norsteroids, particularly for oral contraceptives, has stimulated intensive research to continuously find more economic methods of either partial and total direct synthesis or indirect synthesis via ...