氢溴酸苦甘草硷对家兔静脉注射的平喘作用比氨茶硷强,用氨茶硷的1/5剂量,就能得到大约相同的平喘效果。其平喘作用原理可能是通过中枢神经的β受体,与现有平喘药的作用原理不同,国内、外尚未有报导作用于中枢而起平喘作用的药物,故苦甘草硷可能是一种作用新型的中枢性平喘药。 The anti-asthma effect of intravenous injection of bitter licorice hydrobromide on rabbits is stronger than that of ammonia tea. With the 1/5 dose of ammoniacal tea, approximately the same antiasthmatic effect can be obtained. The principle of antiasthmatic action may be through the beta receptors of the central nervous system, and the principle of action is different from the existing antiasthmatic drugs. Domestic and foreign drugs that have not been reported to act on the central nervous system have anti-asthmatic effects. Therefore, bitter licorice may be a A new type of central anti-asthmatic drugs.