Pretreatment method for extracting dencichine from plants

The invention belongs to a process or method for purifying active ingredients in the field of medicines, and particularly relates to a pretreatment method for extracting dencichine from plants. The pretreatment method does not involve an organic solvent, so that the obtained product has no toxic or side effect and is safe to use. And on the other hand, dencichine is used as a hemostatic component, so that the hemostatic effect of toothpaste, band-aid or hemostatic bandage can be better promoted. For example, the mass ratio of the crude dencichine extract in the toothpaste is 0.01%-4.0%. 本发明属于医药领域中有效成分提纯的工艺或方法，具体涉及从植物中提取三七素的预处理方法。本发明的预处理方法不涉及有机溶剂，因此所获得产物无毒副作用，使用安全。另一方面，本发明的三七素作为止血成分，对牙膏、创可贴或者止血绷带的止血作用将有更好的促进。示例性的，牙膏中的三七素粗提物的质量占比为0.01-4.0％。