Processing method of ligusticum wallichii decoction pieces

The invention discloses a processing technology for preparing rhizoma chuanxiong decoction pieces, rhizoma chuanxiong is processed by adopting a wine washing method, particularly, no less than two wine washing steps are carried out before drying and after slicing fresh medicinal materials from a producing area, and an obvious synergistic effect is generated between the two wine washing steps. The content of phthalide volatile effective components of the ligusticum wallichii can be effectively reserved or increased, and the high-quality ligusticum wallichii decoction pieces are obtained through the processing technology by optimizing processing technology parameters. 本发明公开了一种制备茶芎饮片的炮制工艺，采用酒洗法炮制茶芎，特别是在来源于产地的鲜药材干燥之前和切片后具有不少于两次的酒洗步骤，两次酒洗步骤之间产生了明显的协同作用，可以有效保留或增加茶芎苯酞类挥发性有效成分含量，通过优选炮制工艺参数，所述炮制工艺得到了高品质的茶芎饮片。