本文对海桐皮六个品种的药效和毒性进行了比较研究。结果表明,在毒性、镇静、镇痛、解痉、抗菌试验中,具有相同或不同的药理作用,其作用强度也有一定差异。 This article compares the efficacy and toxicity of six species of Pittosporum heterophyllum. The results showed that in the toxicity, sedation, analgesia, antispasmodic, and antibacterial tests, they have the same or different pharmacological effects, and their effects are also somewhat different.