甾体生物碱

藜芦属植物主要含甾体生物碱、类化合物等。

Veratrum plants contain a variety of chemical constituents , mainly including steroidal alkaloids , stilbenes and flavonoid compounds .

据统计数据表明从我国所有藜芦属植物中分离得到100余种甾体生物碱。

According to the statistical data shows that there are more than 100 kind of steroidal alkaloids had isolated from Veratrum in China .

五种贝母甾体生物碱对豚鼠离体气管条M受体的拮抗作用

Antimuscarinic Function of Five Fritillaria Alkaloids on Guinea Pig Tracheal Strips

糖苷生物碱是由含氮的甾体生物碱骨架（称为糖苷配基）与一条寡糖链组成的糖苷，糖链一般为三糖或四糖。

These molecules have an oligosaccharide chain attached at the C3 position of the nitrogenous steroidal alkaloid backbone .

其主要含有10种甾体生物碱，以及二萜及二萜聚体等成分。

Now as one of the major sources of Beimu , it contains 10 steroid alkaloids , 2 diterpenes and 3 diterpenoid dimers .

藜芦属植物中的生物碱类成分为其主要的活性成分，现代临床药理研究表明，甾体生物碱具有降血压作用、抗肿瘤作用、杀虫、抗血吸虫、抗真菌及等作用。

The main active components in Veratrum Linn . is steroidal alkaloids . Pharmacological research indicated that steroidal alkaloids had cardic , hypotensive and antithrombotic activities , and the stilbenes had antitumor and anticoagulant function .

对甾体类生物碱的提取，按照不同的文献方法，采取不同的提取步骤，整体来讲是采用醇类提取和亲脂性有机溶剂提取法。

But as a whole methods of alcohol-extraction and lipophilic-organic-solvent have been adopted .

甾体糖苷生物碱具有良好的抗肿瘤、抗真菌、防治心血管疾病等多方面药理活性，是一类重要的药物资源。

Some of the steroidal saponins exhibit moderated to good cardiovascular , antitumor , antifungal , and immunostimulant activities .

甾体糖苷生物碱是一类重要的天然产物，广泛分布于高等植物和一些海洋生物中。

Steroidal saponins , a class of important natural products , are widely found in terrestrial plants and some marine organisms .

目的：研究怀牛膝有效成分（总皂苷、总甾体、总生物碱）对血管平滑肌收缩作用的影响。

Objective : To study the effects of active components ( total saponins , total steroids and total alkaloids ) of Achyranthes bidentata Blume on the contraction of vascular smooth muscle .