黄芪为豆科紫云英属植物,它是重要和常用的中药之一。我院对黄芪的生药学、化学、药理作用以及临床应用作过较为系统的介绍。近来,南京药物研究所从膜荚黄芪(Astragalus membranaceus Bge)中提出了数种新成份。我们对其中的黄芪皂苷甲(一种羊毛酯醇型的四环三萜皂苷,以下简称ASI)的药理活性进行了多方面的研究,现简报如下: Astragalus is a plant of Leguminosae, which is one of the most important and commonly used herbs. Our hospital has made a systematic introduction to the pharmacological, chemical, pharmacological effects and clinical applications of Astragalus membranaceus. Recently, Nanjing Institute of Materia Medica has proposed several new ingredients from Astragalus membranaceus Bge. We have carried out many researches on the pharmacological activities of astragalus saponin A (a lanolin alcohol-type tetracyclic triterpene saponin, hereinafter abbreviated as ASI), and the brief report is as follows: