从四川茂汶产的疏叶当归（ＡｎｇｅｌｉｃａｌａｘｉｆｏｌｉａｔａＤｉｅｌｓ）根的乙醇提取物中分离得９个化合物，鉴定了７个，分别为当归内酯（白芷内酯）（ａｎｇｅｌｉｃｉｎ，Ⅱ）、β谷甾醇（βｓｉｔｏｓｔｅｒｏｌ，Ⅲ）、β胡萝卜甙（βｄａｕｃｏｓｔｅｒｏｌ，Ⅳ）、二十八碳酸（ｎｏｃｔａｃｏｓａｎｏｉｃａｃｉｄ，Ⅴ）、蔗糖（ｓｕｃｒｏｓｅ，Ⅰ）、１０庚基１０辛基二十烷（１０ｈｅｐｔｙｌ１０ｏｃｔｙｌｅｉｃｏｓａｎｅ，Ⅵ）及疏叶香豆素（ｌａｘｉｆｏｌｉｎ，Ⅸ），其中疏叶香豆素为一新化合物，对钙拮抗有一定活性；另２个长链脂肪族化合物未鉴定。这９个化合物都是从该植物中首次分离得到。疏叶当归根的乙醚提取物，经气质联用分析得１０个挥发性成分，主含当归内酯（６５％），还含少量的δ（ｌ甲基乙基乙烯基）当归内酯〔δ（ｌｍｅｔｈｙｌｅｔｈｙｌｅｔｈｅｎｙｌ）２Ｈｆｕｒｏ（２，３ｈ）ｌｂｅｎｚｏｐｙｒａｎｅ２ｏｎｅ〕、９，１２十八碳二烯酸（９，１２ｏｃｔａｄｅｃａｄｉｅｎｏｉｃａｃｉｄ）、十六碳酸（ｈｅｘａｄｅｃａｎｏｉｃａｃｉｄ）、２甲基２丁烯酸（２ｍｅｔｈｙｌ２ｂｕ? Nine compounds were isolated from the ethanol extract of the roots of Angelica chinensis Angelica in China, seven of which were identified as angelicin (Ⅱ), β-sitosterol β-sitosterol, Ⅲ), β-daucosterol (Ⅳ), octacosanoic acid (Ⅴ), sucrose (Ⅰ), 10heptyl  10octyl  20 Alkane (10  hptyl  10  octyleicosane, Ⅵ) and the leaves coumarin (laxifolin, Ⅸ), which is a new coumarin compound, has some activity of calcium antagonists; the other two long chain aliphatic compounds Unidentified. All nine compounds were isolated from this plant for the first time. Radix Angelicae sinensis root ether extract by gas   quality analysis of the 10 volatile components, the main containing angelica lactone (65%), also contains a small amount of δ  (  methyl ethyl vinyl)  Angelica lactone [δ  (l  methylethylethenyl  2 H  furo (2,3  h)  1  benzopyrop  2  one], 9,12  octadecadienoic acid (9,12  octadecadienoic acid), Hexadecanoic acid (hexadecanoicacid), 2  methyl  2  crotonic acid (2  methyl  2  bu?