黄芩是唇形科植物黄芩Scutellaria baicalensis Georgi的干燥根,性寒味苦,有清热燥湿、泻火解毒、止血安胎之功效。其有效成分为黄酮类,其中黄芩苷(baicalin)经药理学证实具有清热、抑菌、降压、镇静、利尿、利胆、抗炎抗变态反应、解毒、扩张血管、抗氧化等作用,为黄芩的主要活性成分之一。因此,许多含黄芩的中 Astragalus membranaceus is a dry root of L. scutellariae Scutellaria baicalensis Georgi, which is characterized by cold bitterness, heat and dampness, purging and detoxification, and hemostasis. Its active ingredients are flavonoids, of which baicalin has pharmacologically proven to have the effects of heat-clearing, antibacterial, antihypertensive, sedative, diuretic, gallbladder, anti-inflammatory, anti-allergic, detoxification, dilation of blood vessels, and anti-oxidation. One of the main active ingredients of Astragalus. Therefore, many of them contain jaundice.