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膜荚黄芪化学成分研究 被引量:41

Chemical constituents in roots of Astragalus membranaceus
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摘要 目的研究膜荚黄芪Astragalus membranaceus根的化学成分。方法采用硅胶、ODS、聚酰胺、Sephadex LH-20等柱色谱方法对化合物进行分离,运用核磁共振波谱方法鉴定化合物的结构。结果从膜荚黄芪根的乙醇提取物中分离得到23个化合物,包括14个黄酮类化合物:2′-methoxyisoliquiritigenin(1)、刺甘草查耳酮(2)、甘草查耳酮B(3)、3′,4′,7-trihydroxyflavone(4)、4′,7-dihydroxyflavone(5)、3′,7,8-trihydroxy-4′-methoxyisoflavone(6)、毛蕊异黄酮(8)、芒柄花素(9)、2′,4,4′-trihydroxychalcone(10)、pendulone(11)、liquiritigenin(12)、pratensein(13)、毛蕊异黄酮苷(14)、芒柄花苷(15),8个三萜皂苷类化合物:黄芪甲苷(16)、cyclocanthoside E(17)、异黄芪皂苷II(18)、黄芪皂苷II(19)、黄芪皂苷III(20)、异黄芪皂苷I(21)、brachyoside B(22)、cycloaraloside A(23)及1个苯丙酸类化合物:4-hydroxycinnamic acid(7)。结论化合物1~7为首次从该属植物中分离得到。 Objective To study the chemical constituents in the roots of Astragalus membranaceus. Methods The constituents were isolated and purified by silica gel, ODS, polyamide and Sephadex LH-20 column chromatography. Their structures were elucidated by NMR spectra. Results Twenty-three compounds were isolated from the roots of A. membranaceus, covering 14 flavonoids, eight triterpenoid saponins and one phenylpropanoid. They were identified as 2′-methoxyisoliquiritigenin(1), echinatin(2), licochalcone B(3), 3′,4′,7-trihydroxyflavone(4), 4′,7-dihydroxyflavone(5), 3′,7,8-trihydroxy-4′-methoxyisoflavone(6), 4-hydroxycinnamic acid(7), calycosin(8), formononetin(9), 2′,4,4′-trihydroxychalcone(10), pendulone(11), liquiritigenin(12), pratensein(13), calycosin-7-O-β-D-glucopyranoside(14), ononin(15), astragaloside IV(16), cyclocanthoside E(17), isoastragaloside II(18), astragaloside II(19), astragaloside III(20), isoastragaloside I(21), brachyoside B(22), and cycloaraloside A(23). Conclusion Compounds 1—7 are isolated from the plants of Astragalus Linn. for the first time.
作者 李延勋 栗章彭 颜世利 苏艳芳 LI Yan-xun LI Zhang-peng YAN Shi-li SU Yan-fang(School of Pharmaceutical Science and Technology, Tianjin University, Tianjin 300072, China Wanxianghengyuan Technology Company Limited, Tianjin 300410, China)
出处 《中草药》 CAS CSCD 北大核心 2017年第13期2601-2607,共7页 Chinese Traditional and Herbal Drugs
关键词 膜荚黄芪 刺甘草查耳酮 甘草查耳酮B 毛蕊异黄酮 芒柄花素 黄芪甲苷 Astragalus membranaceus(Fisch.) Bge. echinatin licochalcone B calycosin formononetin astragaloside IV
作者简介 李延勋(1990-),男,硕士研究生,研究方向为天然产物化学。E-mail:18202634801@163.com 通信作者 苏艳芳,Tel:(022)27402885,E—mail:suyanfang@tju.edu.cn
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