藏药“生等”的化学成分研究(Ⅰ)  被引量:16

Studies on the Chemical Constituents of Traditional Tibetan Medicinal Herb Shengdeng (Rhamnella gilgitica)(Ⅰ)

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作  者:潘勤[1] 杨培全[1] 陈桂红 刘卫健[2] 

机构地区:[1]华西医科大学药学院 [2]西藏自治区藏医药研究所

出  处:《中草药》1998年第2期76-79,共4页Chinese Traditional and Herbal Drugs

基  金:国家自然科学基金

摘  要:首次从藏药“生等”,即鼠李科猫乳属植物西藏猫乳Rhamnellagilgitica的干燥心材中分离并鉴定了9个黄酮体化合物,分别是墨沙酮(maesopsin,Ⅰ),香橙素(aromadendrin,Ⅱ),柚皮素(naringenin,Ⅲ),山柰酚(kaempferol,Ⅳ),懈皮素(quercetin,Ⅴ),花旗松素(taxifolin,Ⅵ),顺-4,6,4’-三羟基异噢[(z)-4,6,4’-trihydroxyaurone,Ⅶ],4,6,4’-三羟基异噢(4,6,4’-trihydroxyisoaurone,Ⅷ),山柰酚-7-O-β-D-葡萄糖甙(kaempferol-7-O-β-D-glucoside,Ⅸ).其中化合物Ⅰ为主要成分,得率0.41%;化合物Ⅷ为首次从天然界获得。Shengdeng, a traditional Tibetan medicinal herb, is the heartwood of Rhamnella gilgitica Mansf. et Melch (Rhamnaceae) Nine flavonoids were isolated for the first time,by extraction with 70% alcohol. Their structures were elucidated on the basis of spectral data and physico-chemical properties as maesopsin (Ⅰ, yield 0. 41%,a major constituent), aromadendrin (Ⅱ),naringenin (Ⅲ), kaempferol (Ⅳ), quercetin (Ⅴ),taxifolin (Ⅵ), (Z)-4, 6, 4' -trihydroxyaurone (Ⅶ), 4, 6, 4' -trihydroxyisoaurone (Ⅷ)and kaempferol-7-Oβ-D-glucoside(Ⅸ). Compound Ⅷ was obtained from nature for the first time.

关 键 词:藏药 西藏猫乳 黄酮成分 化学成分 

分 类 号:R291.4[医药卫生—民族医学]

 

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