Objective:Extraction amount of oleanolic acid and ursolic acid, qrain size, powder characteristics were comparatively studied between crude powder and micronized powder of fructus ligustri lucidi.

• 目的:对超微粉碎前后女贞子中齐墩果酸和熊果酸的含量、粒度、粉体学特征进行对比研究。方法:用组合式粉碎机制备女贞子普通粉,用超微粉碎机制备超微粉;