天冬化学成分的研究(Ⅱ)  被引量:19

Studies on chemical constituents of Asparagus cochinchinensis

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作  者:沈阳[1] 陈海生[1] 王琼[1] 

机构地区:[1]第二军医大学药学院天然药物化学教研室,上海200433

出  处:《第二军医大学学报》2007年第11期1241-1244,共4页Academic Journal of Second Military Medical University

基  金:国家自然科学基金(20472113)~~

摘  要:目的:研究天冬的化学成分。方法:经大孔树脂、反复硅胶柱色谱、Sephadex LH-20凝胶柱色谱和C-18反相硅胶柱色谱等各种色谱方法分离天冬中的化学成分,通过理化性质和现代波谱技术(MS、^1HNMR,^13CNMR)确定所分离化合物的结构。结果:从其乙醇提取物中分离得到5个化合物,经鉴定分别为薯蓣皂苷元-3-O-β-D-吡喃葡萄糖苷(Ⅰ),异菝葜皂苷元(Ⅱ),26-O-β-D-吡喃葡萄糖基-呋甾-3β,22,26-三醇-3-O-β—D-吡喃葡萄糖基(1→2)-O-β—D吡喃葡萄糖苷(Ⅲ),26-O-β-D-吡喃葡萄糖基-呋甾-5-烯-3β,2α,26-三醇-3-O-[α—α-吡喃鼠李糖基(1→2)]-[α-α-吡喃鼠李糖基-(1→4)]-β—D-吡喃葡萄糖苷(Ⅳ),26-O-β-D-吡喃葡萄糖基-呋甾-3β,26-二醇-22-甲氧基-3-O-α-L-吡喃鼠李糖基(1—4)-O-β-D-吡喃葡萄糖苷(Ⅴ)。结论:化合物Ⅰ~Ⅴ均为首次从天冬中得到。Objective:To study the chemical components in the root of Asparagus cochinchinensis (Lour.) Merr. Methods: Chemical components of Asparagus cochinchinensis root were isolated by column chromatography on macroporous resin, Silgel, Sephadex LH-20, ODS, etc. and the structures of the components were identified by physiochemical and spectral analysis, such as MS, ^1 HNMR, and ^13CNMR. Results: The following 5 components were isolated and identified: diosgenin-3-O-β-D-glucopyranoside( Ⅰ ), smilagenin( Ⅱ ), 26-O-β-D-glucopyranosyl-furost-3β, 22,26-triol-3-O-β-D-glucopyranosyl( 1→2)-O-β-D-glucopyranoside( Ⅲ ), 26-O-β-D-glucopyranosyl- furost-5,20-en-3β, 2α, 26-triol-3-O-[α-α- rhamnopyranosyl ( 1→2 ) ]-[ α-α-rhamnopyranosyl-(1→4) ]-β-D-glucopyranoside( Ⅳ ), and 26-O-β-D-glucopyranosyl-furost-3β, 26-diol-22-methoxy-3-O-α-L-rhamnopyrano- sy(1→4)-O-β-D-glucopyranoside (Ⅴ). Conclusion: All the 5 compounds isolated from Asparagus cochinchinensis in this study is reported for the first time.

关 键 词:天冬 呋甾皂苷 中药理化鉴定 

分 类 号:R282.71[医药卫生—中药学]

 

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