Objective: To study the granulation of prepared licorice.
Method: Semi-bionic extraction(SBE) and water extraction(WE) were used in the extraction of prepared licorice, and then compared with glycyrrhetinic acid, total flavone and extract with which were taken as the indexes.
Result: SBE is superior to WE.
Conclusion: It is better to use SBE in the preparation of oral licorice granules.