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1·Objective:Screening effective constituents in essential oil of Angelica sinensis to extend artery.

目的：筛选当归挥发油中对主动脉血管有舒张作用的有效成分。

2·OBJECTIVE To study the extraction process of essential oil from Angelica sinensis and Schisandra sphenanthera.

目的探讨当归与五味子及由二者组成的复方的超临界萃取工艺。

3·Results There was different of chemical constituents between angelica sinensis and the head of angelica sinensis.

结果不同产地加工品全当归和当归头的各类成分含量存在较大差异。

4·CONCLUSION This polysaccharide is a new hetero-polysaccharide for the first time from Angelica sinensis(Oliv)Diels.

结论该均一多糖为首次从当归中分离获得的一种新的杂多糖。

5·The difference within the processed materials of Angelica Sinensis widely used in clinical practice and its diseases treated is different.

当归不同炮制品在临床上广泛使用，不同炮制品所治疗的疾病不同；

6·The growth, early bolting, yield of Angelica sinensis and its content and components of essential oils in the high, middle and low mountain of Guan Shan in Long Xian were discussed.

本文对关山高、中、低山当归的生长、早期抽苔、产量和挥发油含量及其主要成分进行了研究。