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Studies on chemical constituents from root of Pueraria omeiensis Ⅱ

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Author:
No author available
Journal Title:
CHINESE TRADITIONAL AND HERBAL DRUGS
Issue:
9
DOI:
10.3321/j.issn:0253-2670.2002.09.003
Key Word:
峨嵋葛根;葛属;异黄酮

Abstract: 目的研究峨嵋葛根Pueraria omeiensis的化学成分.方法采用反复硅胶柱层析、Sephadex LH-20柱层析以及制备性HPLC分离纯化,通过理化和光谱分析鉴定其化学结构.结果从峨嵋葛根乙酸乙酯提取部位进一步鉴定了一个化合物:槐香豆素A(sophoracoumestan A,I).从正丁醇提取部位分离和鉴定了15个化合物,芒柄花苷(ononin,Ⅱ),大豆苷元7,4'-二葡萄糖苷(daidzein 7,4'-diglucoside,Ⅲ),大豆苷元4'-葡萄糖苷(daidzein 7,4'-glucoside.Ⅳ),3'-甲氧基葛根素(3'-methoxy puerarin,PG-3,Ⅴ),3'-羟基葛根素(3'-hydroxy puerarin,PG-1,Ⅵ),葛根素芹菜糖苷(mirificin,Ⅶ),8-甲基雷杜辛-7-O-葡萄糖苷(8-methyl retusin 7-O-glucoside,Ⅷ),大豆苷元(daidzein,Ⅸ),大豆苷(daidzin,Ⅹ),染料木苷(genistin,Ⅺ),葛根素(puerarin,Ⅻ),二十八烷酸(octacosanoic,ⅫⅠ),尿囊素(allantoin,ⅩⅣ),二十五烷酸甘油酯(glycerol 1-monopentacosanoate,ⅩⅤ),β-胡萝卜苷(daucosterol,ⅩⅥ).结论除化合物Ⅸ~Ⅻ,ⅩⅥ已从乙酸乙酯部分分得外,其他化合物均为首次从峨嵋葛根中分离得到,化合物Ⅰ、Ⅳ、Ⅷ为葛属首次发现.

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