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Preparative isolation and purification of iridoid glycosides from Fructus Corni by high-speed countercurrent chromatography

机译:高速逆流色谱法从山茱F中制备分离和纯化环孢烯苷

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摘要

Using a two-phase solvent system composed of dichloromethane–methanol–n-butanol–water–acetic acid (5:5:3:4:0.1, v/v/v/v/v), high-speed countercurrent chromatography was successfully performed for isolation and purification of three iridoid glycosides from Fructus Corni for the first time. From 100 mg of a crude extract of Fructus Corni 7.9 mg of sweroside, 13.1 mg of morroniside, and 10.2 mg of loganin were obtained in less than 3 h with purities of 92.3, 96.3 and 94.2%, respectively. These target compounds were identified by ESI-MS, 1H NMR and 13C NMR.
机译:使用由二氯甲烷-甲醇-正丁醇-水-乙酸(5:5:3:4:0.1,v / v / v / v / v)组成的两相溶剂系统,成功实现了高速逆流色谱法首次用于分离和纯化山茱F中的三种鸢尾苷。在不到3小时的时间内,从100 mg山茱ru粗提物中提取了7.9 mg苦味甙,13.1 mg morroniside和10.2 mg loganin,其纯度分别为92.3%,96.3%和94.2%。通过ESI-MS, 1 H NMR和 13 C NMR鉴定了这些目标化合物。

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