To determine the content of laetrile by orthogonal design and study the preparation technology of Bizhike capsules to select the best production technology and abstraction technology.

• 采用正交设计,以苦杏仁中指标成分苦杏仁甙的含量为指标,对必止咳胶囊的制剂工艺条件进行试验考察,优选出最佳生产工艺路线及提取工艺条件。