Hypoxic ammonia effect of main medicinal plants of swertia and medical application of main medicinal plants

The invention relates to the field of medicine, in particular to medical application of main medicinal plants of swertia. The medicinal plants of the swertia are rich in swertiamarin and sweroside compounds shown by the formula (I) as shown in the specification, can significantly reduce blood ammonia, and can be used for preparing drugs that reduce hyperammonemia, such as the drugs for the treatment of hepatic encephalopathy, wherein the formula (I) is shown in the specification, R= minus OH, which represents the swertiamarin, and R=H, which represents the sweroside (I). 本发明涉及医药领域，特别是涉及獐芽菜属主要药用植物的医药用途：该属药用植物富含式(I)的獐芽菜苦苷(swertiamarin)和当药苷(sweroside)类化合物；能够显著地降低血氨，可以用于制备降高血氨的药物，如治疗肝性脑病的药物。其中式(I)为：其中R＝-OH，獐芽菜苦苷(swertiamarin)；R＝H，当药苷(sweroside)(I)。