西药颅痛定是近来问世的一个著名的止痛药,也是药学界一项重要的科研成果。其止痛效力较延胡索乙素强,与吗啡接近,而且付作用小,所以它是一个比较理想的药物。颅痛定是怎样得来的呢?原来它是从中药山乌龟(植物名称为华千金藤)中提取出来的有效成分,生药中的含量约为1%,鲜品含量略高。目前已能人工合成或半合成, Western medicine craniotamine is a famous painkiller recently introduced, and it is also an important scientific research achievement of the pharmaceutical industry. Its analgesic effect is stronger than that of tetrahydropalmatine. It is close to morphine and has little effect. Therefore, it is an ideal drug. How does craniopaine come from? Originally it was an effective ingredient extracted from the Chinese medicine mountain tortoise (plant name Huajinjinteng). The content of crude drug is about 1%, and the content of fresh product is slightly higher. Currently it can be synthesized or semi-synthesized