HPLC quantitative analysis of plantaginin in Shazenso (Plantago asiatica L.) extracts and isolation of plantamajoside.

Iyo Kizai Kenkyujo hokoku. Reports of the Institute for Medical and Dental Engineering, Tokyo Medical and Dental University Pub Date : 1989-01-01

Y Komoda, H Chujo, S Ishihara, M Uchida

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Abstract

Quantitative analytical method by means of high-performance liquid chromatography (HPLC) has been developed for the quality control of Shazenso (Plantago asiatica L.) extracts. Plantaginin (I) which is one of the known constituents of Shazenso, was selected as a standard compound of the analysis. A chemically labile component has been isolated from the methanol extract and identified to be plantamajoside (II). It was found that II was converted into III even in hot water.

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车前草提取物中车前草苷的HPLC定量分析及车前草苷的分离。

建立了高效液相色谱(HPLC)定量分析方法对车前草提取物进行质量控制。选取沙参草已知成分之一车前草素(I)作为标准化合物进行分析。从甲醇提取物中分离出一种化学不稳定的成分，鉴定为车前草皂苷(II)，发现II在热水中也能转化为III。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Iyo Kizai Kenkyujo hokoku. Reports of the Institute for Medical and Dental Engineering, Tokyo Medical and Dental University

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