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Studies on chemical constituents of root of Polygala tenuifolia (Yuanzhi) I

Peng Tu

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Abstract

Object To study the chemical constituents of the root of traditional Chinese medicine Yuanzhi (Polygala tenuifolia Willd ) Methods Seperation and purification were performed on silica gel, Sephadex LH 20 and ODS CC Their structures were established on the basis of physicochemical and spectral analysis Results Five compounds were isolated and identified as tenuifoliside B (Ⅰ), methyl 3, 4, 5 trimethoxycinnamate (Ⅱ), polygalaxanthone Ⅲ (Ⅲ), 7 O methylmangiferin (Ⅳ) and lancerin (Ⅴ), respectively Conclusion Compounds Ⅱ and Ⅳ were isolated from the plant of Polygala L for the first time and compound V was isolated from P tenuifolia for the first time

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What this paper is about

Object To study the chemical constituents of the root of traditional Chinese medicine Yuanzhi (Polygala tenuifolia Willd ) Methods Seperation and purification were performed on silica gel, Sephadex LH 20 and ODS CC Their structures were established on the basis of physicochemical and spectral analysis Results Five compounds were isolated and identified as tenuifoliside B (Ⅰ), methyl 3, 4, 5 trimethoxycinnamate (Ⅱ), polygalaxanthone Ⅲ (Ⅲ), 7 O methylmangiferin (Ⅳ) and lancerin (Ⅴ), respectively Conclusion Compounds Ⅱ and Ⅳ were isolated from the plant of Polygala L for the first time and compound V was isolated from P tenuifolia for the first time

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Available abstract

Object To study the chemical constituents of the root of traditional Chinese medicine Yuanzhi (Polygala tenuifolia Willd ) Methods Seperation and purification were performed on silica gel, Sephadex LH 20 and ODS CC Their structures were established on the basis of physicochemical and spectral analysis Results Five compounds were isolated and identified as tenuifoliside B (Ⅰ), methyl 3, 4, 5 trimethoxycinnamate (Ⅱ), polygalaxanthone Ⅲ (Ⅲ), 7 O methylmangiferin (Ⅳ) and lancerin (Ⅴ), respectively Conclusion Compounds Ⅱ and Ⅳ were isolated from the plant of Polygala L for the first time and compound V was isolated from P tenuifolia for the first time

Key concepts: Sephadex, Chemical constituents, Chemistry, Traditional medicine, Silica gel, Chromatography, Organic chemistry, Medicine

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